EFTA00604371.pdf

Maintenance Next Due With Projected Due Date N401HB (hill'sitr to Sort By Earliest Due Date &pia 5814.9 Hours TT 5314.9 MYCMP Include only mandatory service Information not yet accomplished 1491 Landings 06 Dec 2017 Date Hours Landings 1191 Phone: FAX Log Date -- 06 Dec 2016 Hour Meter 5314.9 2122.5 APU Hours Aircraft Make Gulfstream COMPONENT TIMES Aircraft Model G550 Position Logbook Description Serial Number Total Time Total Cycles TSO CSO Aircraft Serial No. 5173 1 Engine Rolls Royce BR700.710C4.11 15449 5245.0 1168 (G550) Airworthiness 30 Oct 2007 2 Engine Rolls Royce BR700.710C4.11 15448 5245.0 1168 Date (G550) Regulation 91.409f3 1 APU Honeywell RE220 (G550) P-500 1822.5 0 ATA Part Number Source Document Description Frequency CAN Next Due Remaining 5rojected Due Logbook I App Serial Number Section Page re Initial) HrstCyciDt ('.Ad() Hrs/CyciCal Date Mfg Ref Number Notes Revision Date Issued 319014 Blue Disk Honeywell / Jeppesen - 5295.1 Based on * Airframe MAN Electronic Terminal Charts. Geopolitical 1187 Utilization Boundaries. Airport Information Obstacle Data (14 Day Interval) Notes: 14 DAY 30 Nov 2016 14 Dec 8 Days 14 Dec 2016 2016 920001* Quick Access Recorder (OAR) Download 5295.1 Based on * Airframe REC 1187 Utilization Notes: 20 Oct 2008 14 DAY 30 Nov 2016 14 Dec 8 Days 14 Dec 2016 2016 319013 Red Disk Honeywell /Jeppesen - 5295.1 Based on * Airframe MAN Aerospace. Communication. Navigation 1187 Utilization Data. (28 Day Interval) Notes: 28 DAY 30 Nov 2016 28 Dec 22 Days 28 Dec 2016 2016 240124 Emergency Battery Power System (Aft) • G550 AMM 4915.9 Based on * Airframe MAN Operational Test 05-20-00 1099 Utilization Mlgt 24.35-00 Notes: [End of Month Item) (I MOS Window) 25 30 Apr 2016 12 MOS 01 Dec 2015 31 Dec 25 Days 31 Dec 2016 2016' N401HB Maintenance Next Due Report (GN-7003) Page 1 of 17 06 Dec 2016 ei 2016 Gulfstream Aerospace Corporation. All Rights Reserved. A General Dynamics Company EFTA00604371  ATA Part Number Source Document Description Frequency CM Next Due Remaining 'rojected Due Logbook I App Serial Number Section Page ("-Initial) Hrs/CyclDt ('=Ad)) lIrs/CyciCal Date Mfg Ref Number Notes Revision Date Issued 256161 Medical Kit - Detailed Inspection G550 AMM 4971.3 Based on 05-2000 1111 Utilization * Airframe MAN Mfg#: 25.64-00 Notes: Detailed inspection performed by MedAire Inc Packing Slip # 25 30 Apr 2016 12 MOS 17 Dec 2015 31 Dec 25 Days 31 Dec 2016 A175878. ISO 9001:2008 Certified [End of Month Item] (I MOS 2016' Window) 256202 Life Raft(s) (No. 1) • Detailed Inspection G550 AMM 4915.9 Based on 05-2000 1099 Utilization * Airframe MAN Mfg#: 2561-03 Notes: Next due: Nov 2016 [End of Month Item] [1 MOS Window] 25 30 Apr 2016 12 MOS 01 Dec 2015 31 Dec 25 Days 31 Dec 2016 2016' 256203 Life Raft(s) (No. 2) - Detailed Inspection G550 AMM 4915.9 Based on 05-2000 1099 Utilization * Airframe MAN Mfga: 2561-03 Notes: Next due: Nov 2016 [End of Month Item) [1 MOS Window] 25 30 Apr 2016 12 MOS 01 Dec 2015 31 Dec 25 Days 31 Dec 2016 2016' 262605 Portable Haion Fire Extinguisher (Cockpit) 5284.7 Based on Utilization * Airframe MAN Visual Inspection 1184 Mfg#: 26.24.00FP Notes: [End of Month Item] 1 MOS 04 Nov 2016 31 Dec 25 Days 31 Dec 2016 2016' 262626 Portable Haion Fire Extinguisher (Aft 5284.7 Based on Utilization * Airframe MAN Cabin) Visual Inspection 1184 Mfg#: 26.24.00FP Notes: (End of Month Item) MOS 04 Nov 2016 31 Dec 25 Days 31 Dec 2016 2016' 262646 Portable Halon Fire Extinguisher (Aft 5284.7 Based on Utilization * Airframe MAN Lavatory) Visual Inspection 1184 Mfg#: 26.24.00FP Notes: (End of Month Item) MOS 04 Nov 2016 31 Dec 25 Days 31 Dec 2016 2016' 282651 Main Fuel Boost Pump (Left) - Fuel Leak G550 AMM 500 Hrs 4971.3 5471.3Hrs 156.4 Hrs Based on Utilization Airframe MAN Check 05-10-10 1111 Mfg#: 28.26-01 Nnton: 24 15 Feb 2015 11 Jan 2016 22 Jan 2017 282652 Main Fuel Boost Pump (Right) - Fuel Leak G550 AMM 500 Hrs 4971.3 5471.3Hrs 156.4 Hrs Based on Utilization Airframe MAN Check 05-10-10 1111 Mfg#: 28.26-01 Notes: 24 30 Jun 2011 11 Jan 2016 22 Jan 2017 282653 Alternate Fuel Boost Pump (Left) - Fuel G550 AMM 500 Hrs 4971.3 5471.3Hrs 156.4 Hrs Based on Utilization Airframe MAN Leak Check 05-10.10 1111 Mfg#: 28.26-01 Notes: 24 15 Feb 2015 11 Jan 2016 22 Jan 2017 N401HB Maintenance Next Due Report (GN-7003) Page 2 of 17 06 Dec 2016 ei 2016 Gulfstream Aerospace Corporation. All Rights Reserved. A General Dynamics Company EFTA00604372  ATA Part Number Source Document Description Frequency CM Next Due Remaining 'rojected Due Logbook I App Serial Number Section Page ("-Initial) Hrs/CyclDt crAdj) Hrs/CyciCal Date Mfg Ref Number Notes Revision Date Issued 282654 Alternate Fuel Boost Pump (Right) Fuel G550 AMM 500 Hrs 4971.3 5471.3Hrs 156.4 Hrs Based on Utilization Airframe MAN Leak Check 05-10.10 1111 Mfg#: 28.26-01 Notes: 24 15 Feb 2015 11 Jan 2016 22 Jan 2017 319016 Green Disk Honeywell / Jeppesen - 5295.1 Based on Utilization * Airframe MAN Terrain Data (On condition or Six Month 1187 Interval) Notes: [CUSTOM FREQUENCY] 56 DAY 30 Nov 2016 25 Jan 2017 50 Days 25 Jan 2017 242111 Integrated Drive Generator (Left) • G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization Airframe MAN Detailed Inspection 05-2000 1111 Mfg#: 24-21-01-IC Notes: [50 Hour Window] 25 30 Apr 2016 13 Jan 2016 31 Jan 2017 242112 Integrated Drive Generator (Right) - G550 AMM 500 Hrs 4971.3 5500.0 Mrs' 185.1 Hrs Based on Utilization Airframe MAN Detailed Inspection 05-20.00 1111 Mfg#: 2421-01-IC Notes: [50 Hour Window] 25 30 Apr 2016 12 Jan 2016 31 Jan 2017 242115 Integrated Drive Generator (Left) • G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization Airframe MAN Servicing 05-20-00 1111 Mfg#: 24.21.01-SE Notes: [50 Hour Window] 25 30 Apr 2016 13 Jan 2016 31 Jan 2017 242116 Integrated Drive Generator (Right) • G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on 05-2000 1111 Utilization Airframe MAN Servicing Mfg#: 24.21.01-SE Notes: (50 Hour Window] 25 30 Apr 2016 11 Jan 2016 31 Jan 2017 256019 EVAS System (Left) - Periodic Inspection STC ST00892LA 5248.7 Based on 2.3.2 1177 Utilization * Airframe MAN Notes: [End of Month Item] [CUSTOM FREQUENCY] 5 12 Feb 2007 3 MOS 18 Oct 2016 31 Jan 56 Days 31 Jan 2017 2017' 256020 EVAS System (Right) Periodic Inspection STC ST00892LA 5248.7 Based on a3.2 1177 Utilization * Airframe MAN Notes: [End of Month Item] [CUSTOM FREQUENCY] 5 12 Feb 2007 3 MOS 18 Oct 2016 31 Jan 56 Days 31 Jan 2017 20W 256282 Protective Breathing Equipment (No. I) G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization * Airframe MAN Detailed Inspection 05-20.00 1111 Mfg#: 2562-01 Notes: [End of Month Item] (50 Hour Window] [1 MOS Window] 25 30 Apr 2016 12 MOS 08 Jan 2016 28 Feb 84 Days 31 Jan 2017 20W 256404 Defibrillator Battery • Inspect / Check 5248.7 Based on 1177 Utilization * Airframe MAN Notes: [End of Month Item] [CUSTOM FREQUENCY] 3 MOS 18 Oct 2016 31 Jan 56 Days 31 Jan 2017 2017' N401HB Maintenance Next Due Report (GN-7003) Page 3 of 17 06 Dec 2016 2016 Gulfstream Aerospace Corporation. All Rights Reserved. A General Dynamics Company EFTA00604373  ATA Part Number Source Document Description Frequency CM Next Due Remaining 'rojected Due Logbook I App Serlel Number Section Page ("-Initial) Hrs/CyclDt ('=Ad)) lirs/CyciCal Date Mfg Ref Number Notes Revision Date Issued 256407 Defibrillator Electrode Pads - Inspection 5248.7 Based on 1177 Utilization * Airframe MAN Notes: [End of Month Item) (CUSTOM FREOUENCY) 3 MOS 18 Oct 2016 31 Jan 56 Days 31 Jan 2017 2017' 275019 Flap Actuator Travel Nut (Left) - G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization * Airframe MAN Lubrication 05-2000 1111 Mfg#: 27-53-07 Notes: [End of Month Item) [50 Hour Window) [I MOS Window) 25 30 Apr 2016 24 MOS 11 Jan 2016 31 Jan 2018 13 Mos 31 Jan 2017 275020 Flap Actuator Travel Nut (Right) - G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization * Airframe MAN Lubrication 05-2000 1111 Mfg#: 2753-07 Notes: [End of Month Item) [50 Hour Window) (I MOS Window) 25 30 Apr 2016 24 MOS II Jan 2016 31 Jan 2018 13 Mos 31 Jan 2017 281407 Gravity Water / Fuel Drain Valve (Left) - G550 AMM 500 Hrs 4971.3 5500.0 His' 185.1 Hrs Based on Utilization Airframe MAN Operational Test 05-2000 1111 Mfg#: 28.14-01 Notes: [50 Hour Window) 25 30 Apr 2016 07 Jan 2016 31 Jan 2017 281408 Gravity Water / Fuel Drain Valve (Right) - G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization Airframe MAN Operational Test 05-2000 1111 Mfg#: 28.14-01 Nntore [50 Hour Window) 25 30 Apr 2016 07 Jan 2016 31 Jan 2017 292501 Auxiliary Hydraulic Pump Manifold G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization Airframe MAN Differential Pressure Indicator - Detailed 05-2000 1111 Inspection Mfg#: 2925-01-IC Notes: [50 Hour Window) 25 30 Apr 2016 11 Jan 2016 31 Jan 2017 292502 Power Transfer Unit Manifold Differential G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization Airframe MAN Pressure Indicator Detailed Inspection 05-2000 1111 Mfg#: 29.25-13-IC Notes: [50 Hour Window) 25 30 Apr 2016 11 Jan 2016 31 Jan 2017 304105 Windshield Surface Seal (Left) Detailed G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization * Airframe MAN Inspection 05-2000 1111 Mfg#: 3041-00 kInfoR: [End of Month Item) (50 Hour Window) [1 MOS Window) 25 30 Apr 2016 24 MOS 11 Jan 2016 31 Jan 2018 13 Mos 31 Jan 2017 304106 Windshield Surface Seal (Right) - Detailed G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization * Airframe MAN Inspection 05-2000 1111 Mfga 3041-00 Notes: [End of Month Item) [50 Hour Window) (I MOS Window) 25 30 Apr 2016 24 MOS I I Jan 2016 31 Jan 2018 13 Mos 31 Jan 2017 315001 Central Warning System (Including Audio) G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization Airframe MAN Operational Test 05-2000 1111 Mfga: 31-50-00 Notes: (50 Hour Window) 25 30 Apr 2016 13 Jan 2016 31 Jan 2017 321045 Main Landing Gear and Attachments (Left) G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization Airframe MAN General Visual Inspection 05-2000 1111 Mfg#: 32-10-00-IC Notes: [50 Hour Window) 25 30 Apr 2016 11 Jan 2016 31 Jan 2017 N401HB Maintenance Next Due Report (GN-7003) Page 4 of 17 06 Dec 2016 ei 2016 Gulfstream Aerospace Corporation. All Rights Reserved. A General Dynamics Company EFTA00604374  ATA Part Number Source Document Description Frequency CM Next Due Remaining 'rojected Due Logbook I App Serial Number Section Page ("-Initial) Hrs/CyclDt ecAdj) Hrs/CyciCal Date Mfg Ref Number Notes Revision Date Issued 321046 Main Landing Gear and Attachments G550 AMM 500 Hrs 4971.3 5500.0 Mrs' 185.1 Hrs Based on Utilization Airframe MAN (Right) General Visual Inspection 05-2000 1111 Mfgri: 32.10-00-IC Notes: [50 Hour Window) 25 30 Apr 2016 11 Jan 2016 31 Jan 2017 321801 Main Landing Gear Door Hinges (Left) - G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization * Airframe MAN Lubrication 05-2000 1111 Mfg#: 32-18-03 Notes: [End of Month Item] [50 Hour Window) [I MOS Window) 25 30 Apr 2016 24 MOS 11 Jan 2016 31 Jan 2018 13 Mos 31 Jan 2017 321802 Main Landing Gear Door Hinges (Right) - G550 AMM 500 Hrs 4971.3 5500.0 Firs' 185.1 Hrs Based on Utilization * Airframe MAN Lubrication 05-2000 1111 Mfg#: 32-18-03 Notes: [End of Month Item] [50 Hour Window) [1 MOS Window) 25 30 Apr 2016 24 MOS 11 Jan 2016 31 Jan 2018 13 Mos 31 Jan 2017 321803 Main Landing Gear and Doors (Left) - G550 AMM 500 Hrs 4971.3 5500.0 Firs' 185.1 Hrs Based on Utilization * Airframe MAN Zonal Inspection 05-20O0 1111 Mfg#: 32-00-00 Notes: [End of Month Item] [50 Hour Window) [1 MOS Window) 25 30 Apr 2016 12 MOS 11 Jan 2016 28 Feb 84 Days 31 Jan 2017 2017' 321804 Main Landing Gear and Doors (Right) - G550 AMM 500 Hrs 4971.3 5500.0 Firs' 185.1 Hrs Based on Utilization * Airframe MAN Zonal Inspection 05-2000 1111 Mfg#: 32-00-00 Musk: [End of Month Item) [50 Hour Window) [1 MOS Window) 25 30 Apr 2016 12 MOS 11 Jan 2016 28 Feb 84 Days 31 Jan 2017 2017' 322006 Nose Landing Gear and Attachments - G550 AMM 500 Hrs 4971.3 5500.0 Mrs' 185.1 Hrs Based on Utilization Airframe MAN General Visual Inspection 05-2000 1111 Mfg#: 3220-00-IC Notes: [50 Hour Window) 25 30 Apr 2016 t1 Jan 2016 31 Jan 2017 322801 Nose Landing Gear Door Hinges - G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 His Based on Utilization * Airframe MAN Lubrication 05-2000 1111 Mfg#: 32-28-03 Notes: (End of Month Item) [50 Hour Window) [1 MOS Window) 25 30 Apr 2016 24 MOS 11 Jan 2016 31 Jan 2018 13 Mos 31 Jan 2017 322802 Nose Landing Gear and Doors - Zonal G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization * Airframe MAN Inspection 05-2000 1111 Mfga 3200-00 Notes: [End of Month Item] [50 Hour Window) [I MOS Window) 25 30 Apr 2016 t2 MOS It Jan 2016 28 Feb 84 Days 31 Jan 2017 2017' 324305 Brake Wear Indicator (Left Outboard) - G550 AMM 500 Hrs 4971.3 5500.0 Mrs' 185.1 His Based on Utilization Airframe MAN Detailed Inspection 05-20.00 1111 Mfgt 32-43-01-IC Notes: [50 Hour Window) 25 30 Apr 2016 07 Jan 2016 31 Jan 2017 324306 Brake Wear Indicator (Left Inboard) - G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 His Based on Utilization Airframe MAN Detailed Inspection 05-20.00 1111 Mfg#: 32-43-01-IC Nntsse [50 Hour Window) 25 30 Apr 2016 07 Jan 2016 31 Jan 2017 N401HB Maintenance Next Due Report (GN-7003) Page 5 of 17 06 Dec 2016 CD 2016 Gulfstream Aerospace Corporation. All Rights Reserved. A General Dynamics Company EFTA00604375  ATA Part Number Source Document Description Frequency CM Next Due Remaining 'rojected Due Logbook I App Serial Number Section Page ("-Initial) Hrs/CyclDt (*...Adj) Nrs/CyciCal Date Mfg Ref Number Notes Revision Date Issued 324307 Brake Wear Indicator [Right Inboard) - G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization Airframe MAN Detailed Inspection 05-20-00 1111 Mfg#: 32-43-01-IC Notes: [50 Hour Window) 25 30 Apr 2016 07 Jan 2016 31 Jan 2017 324308 Brake Wear Indicator [Right Outboard) - G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on MAN Detailed Inspection 05-20-00 1111 Utilization Airframe Mfg#: 32-43-01-IC Notes: [50 Hour Window) 25 30 Apr 2016 07 Jan 2016 31 Jan 2017 325202 Nose Wheel Steering Collar Assembly G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on MAN Slave Gear - Lubrication 05-20-00 1111 Utilization * Airframe Mfg#: 32.52.03-SE Nnto4: [End of Month Item) [50 Hour Window) [I MOS Window) 25 30 Apr 2016 24 MOS 08 Jan 2016 31 Jan 2018 13 Mos 31 Jan 2017 334050 Navigation (Position) Light Lens - Detailed G550 AMM 500 Hrs 4971.3 5500.0 WC 185.1 Hrs Based on Utilization * Airframe MAN Inspection 05-20-00 1111 Mfga: 33-42-05 Notes: [End of Month Item) [50 Hour Window) [I MOS Window) 25 30 Apr 2016 24 MOS 08 Jan 2016 31 Jan 2018 13 Mos 31 Jan 2017 531012 Exterior Radome Fairing Installation - G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization Airframe MAN Detailed Inspection 05-20-00 1111 Mfg#: 53-02-01-IC Notes: [50 Hour Window) 25 30 Apr 2016 07 Jan 2016 31 Jan 2017 531014 Enhanced Vision System Sapphire G550 AMM 500 Hrs 4971.3 5500.0 WC 185.1 Hrs Based on Utilization Airframe MAN Window Installation Detailed Inspection 05-20-00 1111 Mfg#: 53-02-01-IC Nnt44: [50 Hour Window) 25 30 Apr 2016 07 Jan 2016 31 Jan 2017 531015 Nose Gear Wheel Well FS 44 FS 119 - G550 AMM 500 Hrs 4971.3 5500.0 WC 185.1 Hrs Based on Utilization * Airframe MAN Zonal Inspection 05-20-00 1111 Mfg#: 53.10-00-IC Notes: [End of Month Item] [50 Hour Window) [I MOS Window) 25 30 Apr 2016 12 MOS 11 Jan 2016 28 Feb 84 Days 31 Jan 2017 20W 531045 Main Gear Wheel Wells FS 576 FS 632 G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization * Airframe MAN (Left) Zonal Inspection 05-20-00 1111 Mfg#: 53.30-00 Nnt04: [End of Month Item) (50 Hour Window) [1 MOS Window) 25 30 Apr 2016 12 MOS 12 Jan 2016 28 Feb 84 Days 31 Jan 2017 20W 531046 Main Gear Wheel Wells FS 576 FS 632 G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization * Airframe MAN (Right) Zonal Inspection 05-20-00 1111 Mfg#: 53.30-00 Notes: [End of Month Item] (50 Hour Window) [I MOS Window) 25 30 Apr 2016 12 MOS 14 Jan 2016 28 Feb 84 Days 31 Jan 2017 2017' 531047 Main Gear Wheel Wells FS 576 FS 632 G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization * Airframe MAN (Cove Panel Drain Holes) (Enhanced) 05-20-00 1111 Zonal Inspection Mfg#: 53.30-00 Notes: (End of Month Item) (50 Hour Window) [1 MOS Window) 25 30 Apr 2016 12 MOS 07 Jan 2016 28 Feb 84 Days 31 Jan 2017 2017' N401HB Maintenance Next Due Report (GN-7003) Page 6 of 17 06 Dec 2016 0 2016 Gulfstream Aerospace Corporation. All Rights Reserved. A General Dynamics Company EFTA00604376  ATA Part Number Source Document Description Frequency CM Next Due Remaining 'rojected Due Logbook I App Serial Number Section Page (•e-Initial) Hrs/CyclDt ('=Ad[) lIrs/CyciCal Date Mfg Ref Number Notes Revision Date Issued 531048 Main Gear Wheel Wells FS 576 FS 632 G550 AMM 500 Hrs 4971.3 5500.0 Hrs' 185.1 Hrs Based on Utilization * Airframe MAN (Wiring Harness) (Enhanced) Zonal 05-2000 1111 Inspection Mfg#: 53.30-00 Notes: [End of Month Item] [50 Hour Window) [1 MOS Window) 25 30 Apr 2016 12 MOS 12 Jan 2016 28 Feb 84 Days 31 Jan 2017 2017' 121400 Air Turbine Starter Oil - Change G550 AMM 500 Hrs 5000.4 5500.0 Hrs' 255.0 Hrs Based on 05-2000 1107 Utilization Engine 1 MAN Mfg#: 12.14.13SE Notes: [50 Hour Window)