# N8556Z: 2017 Boeing 737-800 - Status: Valid registration - Airframe: [Boeing 737-800](https://openairdocs.org/model/boeing-737-800) (registry code 1384414, 175 seats) - Engine: [CFM International CFM56-7B27E/F series](https://openairdocs.org/engine/cfm-international-cfm56-7b27e-f-series) (registry code 13100) - Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company) (OpenAirDocs) - Serial number: 63583 - Year built: 2017 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: December 11, 2017 - Certificate issued: January 3, 2018 - Expires: January 31, 2028 - Mode S code: ABBD2D - Registered owner: [Southwest Airlines Co](https://openairdocs.org/faa-owner/SOUTHWEST%20AIRLINES%20CO) - Location: [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas) - Owner type: Corporation - Owner's area on the map: 32.8326° N, 96.8491° W: Placed by OpenAirDocs at the center of ZIP code 75235, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8556Z - Page: https://openairdocs.org/aircraft/N8556Z From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every CFM International CFM56-7B27E/F model are included. ## ADs that may apply (OpenAirDocs): 332 in force ### Matched by airframe (Boeing 737-800) - [AD 2026-20-14](https://openairdocs.org/ad/2026-20-14): Stabilizers · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Nov 23, 2026 - [AD 2026-20-13](https://openairdocs.org/ad/2026-20-13): Equipment/furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Nov 23, 2026 - [AD 2026-13-13](https://openairdocs.org/ad/2026-13-13): Navigation · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 9 more. Effective Jul 1, 2026 - [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02): Navigation · Airbus Canada Limited Partnership 18, 49-46, 80-A and 555 more. Effective Jul 1, 2026 - [AD 2025-25-04](https://openairdocs.org/ad/2025-25-04): Equipment/furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 6 more. Effective Jan 16, 2026 - [AD 2025-24-02](https://openairdocs.org/ad/2025-24-02): Landing gear · Boeing 737-700 Series, 737-800 Series, 737-900 Series and 1 more. Effective Dec 10, 2025 - [AD 2025-19-12](https://openairdocs.org/ad/2025-19-12): Landing Gear · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Nov 6, 2025 - [AD 2025-15-01](https://openairdocs.org/ad/2025-15-01): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Aug 25, 2025 - [AD 2025-07-03](https://openairdocs.org/ad/2025-07-03): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective May 13, 2025 - [AD 2025-05-16](https://openairdocs.org/ad/2025-05-16): Fuselage · Boeing 737-800 Series. Effective Apr 22, 2025 - [AD 2025-04-03](https://openairdocs.org/ad/2025-04-03): Exhaust · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Apr 8, 2025 - [AD 2025-04-02](https://openairdocs.org/ad/2025-04-02): Powerplant · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Apr 8, 2025 - [AD 2025-04-01](https://openairdocs.org/ad/2025-04-01): Powerplant · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Apr 8, 2025 - [AD 2025-02-07](https://openairdocs.org/ad/2025-02-07): Navigation · Modification of Rockwell Collins, Inc. Multi-Mode Receiver (STC ST01883WI or 4 others). Effective Mar 17, 2025 - [AD 2024-18-08](https://openairdocs.org/ad/2024-18-08): Equipment/furnishings · Boeing 737-300 Series, 737-400 Series and 737-800 Series. Effective Nov 15, 2024 - [AD 2024-18-07](https://openairdocs.org/ad/2024-18-07): Equipment/Furnishing · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Nov 12, 2024 - [AD 2024-16-10](https://openairdocs.org/ad/2024-16-10): Instruments · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Oct 28, 2024 - [AD 2024-13-02](https://openairdocs.org/ad/2024-13-02): Oxygen · Boeing 737-8, 737-9, 737-8200 and 3 more. Effective Jul 25, 2024 - [AD 2024-06-01](https://openairdocs.org/ad/2024-06-01): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective May 22, 2024 - [AD 2024-01-06](https://openairdocs.org/ad/2024-01-06): Fuselage · Boeing 737-600 Series, 737-700 Series and 737-800 Series. Effective Mar 7, 2024 - [AD 2023-13-05](https://openairdocs.org/ad/2023-13-05): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Oct 27, 2023 - [AD 2023-13-12](https://openairdocs.org/ad/2023-13-12): Oxygen · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 17 more. Effective Sep 5, 2023 - [AD 2023-12-13](https://openairdocs.org/ad/2023-12-13): Navigation · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 9 more. Effective Jun 21, 2023 - [AD 2023-06-15](https://openairdocs.org/ad/2023-06-15): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-800 Series and 2 more. Effective May 30, 2023 - [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023 - [AD 2023-04-17](https://openairdocs.org/ad/2023-04-17): Fuel · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 5 more. Effective May 1, 2023 - [AD 2022-24-09](https://openairdocs.org/ad/2022-24-09): Air conditioning · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 12 more. Effective Jan 26, 2023 - [AD 2022-18-13](https://openairdocs.org/ad/2022-18-13): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Oct 31, 2022 - [AD 2022-13-18](https://openairdocs.org/ad/2022-13-18): Oxygen · Boeing 737-700 Series, 737-800 Series, 747-8 Series and 3 more. Effective Sep 15, 2022 - [AD 2022-15-08](https://openairdocs.org/ad/2022-15-08): Information systems · Airbus A318-111, A318-112, A319-111 and 49 more. Effective Aug 12, 2022 - [AD 2022-11-13](https://openairdocs.org/ad/2022-11-13): Fuselage · Boeing 737-700 Series, 737-800 Series and 737-900ER Series. Effective Aug 3, 2022 - [AD 2022-06-06](https://openairdocs.org/ad/2022-06-06): Flight controls · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 5 more. Effective Jun 16, 2022 - [AD 2022-08-05](https://openairdocs.org/ad/2022-08-05): Fuselage · Boeing 737-800 Series. Effective May 27, 2022 - [AD 2021-26-17](https://openairdocs.org/ad/2021-26-17): Equipment/furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Feb 15, 2022 - [AD 2021-18-17](https://openairdocs.org/ad/2021-18-17): Auto flight · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Dec 20, 2021 - [AD 2021-21-09](https://openairdocs.org/ad/2021-21-09): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Dec 13, 2021 - [AD 2021-17-08](https://openairdocs.org/ad/2021-17-08): Fuselage · Boeing 737-800 Series and 737-900ER Series with STC ST04096CH. Effective Aug 17, 2021 - [AD 2021-16-15](https://openairdocs.org/ad/2021-16-15): Air conditioning · Boeing 737-8, 737-800 Series, 737-8200 and 2 more. Effective Aug 9, 2021 - [AD 2021-11-24](https://openairdocs.org/ad/2021-11-24): Fuel · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Jul 20, 2021 - [AD 2021-08-04](https://openairdocs.org/ad/2021-08-04): Oxygen · Boeing 737-200 Series, 737-300 Series, 737-400 Series and 23 more. Effective May 26, 2021 - [AD 2021-02-14](https://openairdocs.org/ad/2021-02-14): Fuel · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Mar 30, 2021 - [AD 2021-02-13](https://openairdocs.org/ad/2021-02-13): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Mar 30, 2021 - [AD 2021-01-04](https://openairdocs.org/ad/2021-01-04): Doors · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 5 more. Effective Mar 29, 2021 - [AD 2020-21-02](https://openairdocs.org/ad/2020-21-02): Fire protection · Airbus Canada Limited Partnership BD-500-1A10, BD-500-1A11, A330-201 and 45 more. Effective Nov 19, 2020 - [AD 2020-18-13](https://openairdocs.org/ad/2020-18-13): Fuel · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Oct 29, 2020 - [AD 2020-16-51](https://openairdocs.org/ad/2020-16-51): Pneumatic · Boeing 737-300 Series, 737-400 Series, 737-500 Series and 6 more. Effective Aug 26, 2020 - [AD 2020-03-10](https://openairdocs.org/ad/2020-03-10): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 5 more. Effective Mar 27, 2020 - [AD 2020-01-11](https://openairdocs.org/ad/2020-01-11): Air conditioning · Boeing 737-800 Series, 737-900 Series and 737-900ER Series. Effective Feb 21, 2020 - [AD 2019-19-10](https://openairdocs.org/ad/2019-19-10): Fuel · Boeing 737-300 Series, 737-400 Series, 737-500 Series and 21 more. Effective Jan 16, 2020 - [AD 2019-22-06](https://openairdocs.org/ad/2019-22-06): Fuel · Boeing 737-800 Series with STC ST00830SE. Effective Dec 30, 2019 ### Matched by engine (CFM International CFM56-7B27E/F series) - [AD 2023-05-05](https://openairdocs.org/ad/2023-05-05): Turbine Engine Compressor Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 98 more. Effective May 10, 2023 - [AD 2018-26-01](https://openairdocs.org/ad/2018-26-01): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jan 10, 2019 - [AD 2018-09-51](https://openairdocs.org/ad/2018-09-51): Engine · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jun 7, 2018 - [AD 2015-18-04](https://openairdocs.org/ad/2015-18-04): 73-tooth gearshaft located in the engine accessory gearbox (AGB) · CFM International CFM56-3, CFM56-7B20, CFM56-7B20/2 and 47 more. Effective Oct 20, 2015 - [AD 2015-04-02](https://openairdocs.org/ad/2015-04-02): Dual engine thrust instability event · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Mar 31, 2015 - [AD 2009-11-02](https://openairdocs.org/ad/2009-11-02): HPC 4-9 spools · CFM International CFM56-2, CFM56-2A, CFM56-2B and 109 more. Effective Jun 23, 2009 ### Historical (superseded or no longer in force) - [AD 2023-09-04](https://openairdocs.org/ad/2023-09-04) (historical): Equipment/furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 5 more. Effective Jun 29, 2023 - [AD 2022-05-04](https://openairdocs.org/ad/2022-05-04) (historical): Navigation · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 9 more. Effective Feb 24, 2022 - [AD 2021-14-20](https://openairdocs.org/ad/2021-14-20) (historical): Cabin Altitude Pressure Switches · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 12 more. Effective Jul 20, 2021 - [AD 2021-09-06](https://openairdocs.org/ad/2021-09-06) (historical): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Jun 8, 2021 - [AD 2020-03-20](https://openairdocs.org/ad/2020-03-20) (historical): Navigation · Modification of Rockwell Collins, Inc. Multi-Mode Receiver (STC ST01883WI or 4 others). Effective Feb 18, 2020 - [AD 2019-25-17](https://openairdocs.org/ad/2019-25-17) (historical): Indicating/ recording system · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Dec 27, 2019 - [AD 2019-20-03](https://openairdocs.org/ad/2019-20-03) (historical): Information systems · Airbus A340-312, A340-313, A318-111 and 48 more. Effective Nov 19, 2019 - [AD 2019-22-10](https://openairdocs.org/ad/2019-22-10) (historical): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Nov 13, 2019 - [AD 2019-20-02](https://openairdocs.org/ad/2019-20-02) (historical): Fuselage · Boeing Airplane Company, Wichita Division 75 (Army PT-13), 737-600 Series, 737-700 Series and 4 more. Effective Oct 3, 2019 - [AD 2019-03-26](https://openairdocs.org/ad/2019-03-26) (historical): Equipment/furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Apr 8, 2019 - [AD 2017-16-05](https://openairdocs.org/ad/2017-16-05) (historical): Wings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Sep 22, 2017 - [AD 2017-14-13](https://openairdocs.org/ad/2017-14-13) (historical): Equipment and Furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Aug 23, 2017 - [AD 2017-12-07](https://openairdocs.org/ad/2017-12-07) (historical): Air conditioning · Boeing 737-800 Series, 737-900 Series and 737-900ER Series. Effective Jul 20, 2017 - [AD 2016-18-01](https://openairdocs.org/ad/2016-18-01) (historical): Landing Gear · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Oct 5, 2016 - [AD 2016-13-16](https://openairdocs.org/ad/2016-13-16) (historical): Stabilizers · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Aug 12, 2016 - [AD 2015-19-03](https://openairdocs.org/ad/2015-19-03) (historical): Fuel Selector/Shutoff Valve · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Oct 21, 2015 - [AD 2015-16-01](https://openairdocs.org/ad/2015-16-01) (historical): Air Conditioning · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 9 more. Effective Sep 15, 2015 - [AD 2013-26-08](https://openairdocs.org/ad/2013-26-08) (historical): Ice and Rain Protection · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Feb 10, 2014 - [AD 2013-24-13](https://openairdocs.org/ad/2013-24-13) (historical): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 8 more. Effective Jan 7, 2014 - [AD 2013-19-04](https://openairdocs.org/ad/2013-19-04) (historical): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Nov 4, 2013 - [AD 2013-18-09](https://openairdocs.org/ad/2013-18-09) (historical): Communications · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 137 more. Effective Oct 3, 2013 - [AD 2013-07-09](https://openairdocs.org/ad/2013-07-09) (historical): Oxygen · Boeing 737-700 Series, 737-700C Series, 737-800 Series and 4 more. Effective May 20, 2013 - [AD 2013-07-07](https://openairdocs.org/ad/2013-07-07) (historical): Stabilizers · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective May 20, 2013 - [AD 2012-21-08](https://openairdocs.org/ad/2012-21-08) (historical): Auto Flight · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Nov 27, 2012 - [AD 2012-19-11](https://openairdocs.org/ad/2012-19-11) (historical): Air Conditioning · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 9 more. Effective Nov 7, 2012 - [AD 2010-17-05](https://openairdocs.org/ad/2010-17-05) (historical): Fuel system · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Sep 22, 2010 - [AD 2010-17-19](https://openairdocs.org/ad/2010-17-19) (historical): Flight controls · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Sep 9, 2010 - [AD 2010-09-05](https://openairdocs.org/ad/2010-09-05) (historical): Flight controls · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Apr 29, 2010 - [AD 2010-06-51](https://openairdocs.org/ad/2010-06-51) (historical): Flight controls · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Apr 7, 2010 - [AD 2009-24-07](https://openairdocs.org/ad/2009-24-07) (historical): Landing gear · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 1 more. Effective Jan 4, 2010 - [AD 2009-21-10](https://openairdocs.org/ad/2009-21-10) (historical): Oxygen · Airbus A300, Model B4-605R, A300, Model B4-620, A300, Model B4-622 and 138 more. Effective Dec 17, 2009 - [AD 2009-01-02](https://openairdocs.org/ad/2009-01-02) (historical): Air conditioning (A/C) outlet · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Feb 27, 2009 - [AD 2008-12-04](https://openairdocs.org/ad/2008-12-04) (historical): Fuselage skin · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Jul 16, 2008 - [AD 2008-10-10](https://openairdocs.org/ad/2008-10-10) (historical): New limitations for fuel tank systems · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Jun 12, 2008 - [AD 2008-08-24](https://openairdocs.org/ad/2008-08-24) (historical): Drain tube assemblies · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective May 27, 2008 - [AD 2007-18-52](https://openairdocs.org/ad/2007-18-52) (historical): Main slat track downstop assemblies · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Sep 26, 2007 - [AD 2007-18-51](https://openairdocs.org/ad/2007-18-51) (historical): Main slat track downstop assembly · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Aug 25, 2007 - [AD 2007-06-52](https://openairdocs.org/ad/2007-06-52) (historical): Spoilers · Boeing 737-800 Series. Effective May 7, 2007 - [AD 2007-06-51](https://openairdocs.org/ad/2007-06-51) (historical): Flight spoiler actuator jams · Boeing 737-800 Series - [AD 2006-10-17](https://openairdocs.org/ad/2006-10-17) (historical): Compass bracket assembly · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Jun 22, 2006 - [AD 2005-24-03](https://openairdocs.org/ad/2005-24-03) (historical): Nacelle support fittings and the lower wing skin panels · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 1 more. Effective Dec 28, 2005 - [AD 2005-25-03](https://openairdocs.org/ad/2005-25-03) (historical): Point "D" splice fitting · Boeing 737-700 Series, 737-700C Series and 737-800 Series. Effective Dec 21, 2005 - [AD 2005-12-05](https://openairdocs.org/ad/2005-12-05) (historical): Flight deck door · Reinforced cockpit door (Safran Cabin STC ST01335LA or 2 others). Effective Jul 19, 2005 - [AD 2005-07-20](https://openairdocs.org/ad/2005-07-20) (historical): Flight control computers · Boeing 737-600 Series, 737-700 Series, 737-800 Series and 1 more. Effective May 12, 2005 - [AD 2005-05-18](https://openairdocs.org/ad/2005-05-18) (historical): Webs of the aft pressure bulkhead · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Apr 18, 2005 - [AD 2003-14-04](https://openairdocs.org/ad/2003-14-04) (historical): Flight Deck Door Pressure Relief Latch Assemblies · Boeing 737-200 Series, 737-300 Series, 737-400 Series and 14 more. Effective Jul 25, 2003 - [AD 2003-03-01](https://openairdocs.org/ad/2003-03-01) (historical): Aft Engine Mount · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Feb 13, 2003 - [AD 2002-18-52](https://openairdocs.org/ad/2002-18-52) (historical): Fuel Pumps · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 4 more - [AD 2002-16-03](https://openairdocs.org/ad/2002-16-03) (historical): Main landing gear (MLG) · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Aug 27, 2002 - [AD 2001-06-08](https://openairdocs.org/ad/2001-06-08) (historical): Elevator Hinge Plates · Boeing 737-600 Series, 737-700 Series and 737-800 Series. Effective Apr 9, 2001 All 393: https://openairdocs.org/aircraft/N8556Z/ads.md ## Information bulletins (advisory) (19 in force) - [SAIB 2026-17](https://openairdocs.org/saib/2026-17): VNAV Approach Disconnect Following Missed Approach, Anomaly on Airplanes with FMC U14.0/14.1. Issued Oct 3, 2026 - [SAIB 2025-08](https://openairdocs.org/saib/2025-08): INDICATING/RECORDING SYSTEM, Erroneous Illumination of Cabin Altitude Warning Lights in High Altitude Landing Mode. Issued Sep 8, 2025 - [SAIB AIR-21-12](https://openairdocs.org/saib/AIR-21-12): Thrust Reversers. Issued Aug 3, 2021 - [SAIB NE-19-03](https://openairdocs.org/saib/NE-19-03): Escape Slide Maintenance Tasks and Intervals - JASC 2565. Issued Feb 19, 2019 - [SAIB NM-18-33](https://openairdocs.org/saib/NM-18-33): Engine Fuel and Control. Issued Dec 17, 2018 - [SAIB NM-18-18](https://openairdocs.org/saib/NM-18-18): Equipment/Furnishings - First Observer's Seat Cup Holder. Issued Jul 2, 2018 - [SAIB NM-17-17](https://openairdocs.org/saib/NM-17-17): Oxygen System. Issued Jun 19, 2017 - [SAIB NM-17-10](https://openairdocs.org/saib/NM-17-10): Maintenance Practices. Issued Apr 13, 2017 - [SAIB NM-16-21](https://openairdocs.org/saib/NM-16-21): Flight Controls. Issued Aug 8, 2016 - [SAIB NM-15-03](https://openairdocs.org/saib/NM-15-03): Flight Controls. Issued Nov 24, 2014 - [SAIB NM-15-02](https://openairdocs.org/saib/NM-15-02): Cabin Equipment/Furnishings. Issued Nov 6, 2014 - [SAIB NM-12-11](https://openairdocs.org/saib/NM-12-11): Equipment/Furnishings: Buffet/Galleys. Issued Jan 10, 2012 - [SAIB NM-09-03](https://openairdocs.org/saib/NM-09-03): Engine Fuel and Control - Implementing Fuel Tank System Airworthiness Limitations. Issued Dec 11, 2008 - [SAIB NM-08-43](https://openairdocs.org/saib/NM-08-43): Cabin Equipment/Furnishings - Seats. Issued Sep 3, 2008 - [SAIB NM-08-24](https://openairdocs.org/saib/NM-08-24): Water/Waste: Freezing Potable Water Lines. Issued May 22, 2008 - [SAIB NM-07-47](https://openairdocs.org/saib/NM-07-47): Boeing Model 737 Series Forward Airstairs. Issued Sep 6, 2007 - [SAIB NM-06-57](https://openairdocs.org/saib/NM-06-57): Reports of damage to airplanes and to property on the ground caused by blue or clear ice falling from airplanes.. Issued Jul 27, 2006 - [SAIB NM-06-56](https://openairdocs.org/saib/NM-06-56): . Issued Jul 19, 2006 - [SAIB NE-08-17R3](https://openairdocs.org/saib/NE-08-17R3): Turbine Section - Propulsion Technology LLC Unapproved Repair. Issued May 28, 2014 - [SAIB NE-08-17R2](https://openairdocs.org/saib/NE-08-17R2) (historical): Turbine Section - Propulsion Technology LLC Unapproved Repair. Issued Mar 7, 2011 ## NTSB investigations None matched to N8556Z. ## FAA accident and incident reports None matched to N8556Z. ## Service difficulty reports (89, newest 50) As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR SWAA2026101256115](https://openairdocs.org/sdr/SWAA2026101256115), Oct 6, 2026: COVER. MISSING. OVERWING EXIT SIGN MISSING FWD COVER LOCATED OVERWING EXIT SIGN FWD COVER AND REINSTALLED IN REFERENCE TO AMM 33-51-01 - [SDR SWAA2026083197808](https://openairdocs.org/sdr/SWAA2026083197808), Aug 27, 2026: FLASHLIGHT. NO TEST. AFT RIGHT SIDE F/A FLASHLIGHT NOT TESTING AFT RIGHT SIDE FA FLASHLIGHT NOT TESTING. R/R FORWARD F/A FLASHLIGHT IAW AMM 25-64-00 OPS TEST PASSED. R/R AFT RIGHT S - [SDR SWAA2026083100148](https://openairdocs.org/sdr/SWAA2026083100148), Aug 26, 2026: FLASHLIGHT. NO TEST. FWD F/A FLASHLIGHT WILL NOT TEST. R & R FORWARD F/A FLASHLIGHT IAW AMM 25-64-00 OPS TEST PASSED. - [SDR SWAA2026081197491](https://openairdocs.org/sdr/SWAA2026081197491), Aug 7, 2026: EXTINGUISHER. LOW PRESSURE. FIRE EXTINGUISHER GAUGE NEEDLE IN THE RED. REMOVED AND REPLACED THE FIRE EXTINGUISHER IAW MM 26-26-01. OK FOR SERVICE - [SDR SWAA2026070718322](https://openairdocs.org/sdr/SWAA2026070718322), Jul 3, 2026: FLASHLIGHT. FAILED. RED LIGHT FASHING ON AFT GALLEY AIRCRAFT RIGHT FLASHLIGHT. REMOVED AND REPLACED FLASHLIGHT BATTERY AFT GALLEY RT SIDE OTBD IAW AMM 25-64-00 - [SDR SWAA2026070618301](https://openairdocs.org/sdr/SWAA2026070618301), Jul 2, 2026: FLASHLIGHT. INOPERATIVE. AFT F/A FLASHLIGHT INOPERATIVE. RESEATED FLASHLIGHT IAW AMM 25-64-00. OPS CHECKED GOOD. - [SDR SWAA2026062314654](https://openairdocs.org/sdr/SWAA2026062314654), Jun 21, 2026: FLASHLIGHT. NO TEST. -FORWARD GALLEY FLIGHT ATTENDANT FLASHLIGHT TEST FAILED. R & R FWD GALLEY FLASHLIGHT IAW AMM 25-64-00. - [SDR SWAA2026062314662](https://openairdocs.org/sdr/SWAA2026062314662), Jun 21, 2026: SIGN. DETACHED. MID CABIN EXIT OVERHEAD SIGN DETACHED. RESECURED MID CABIN EXIT SIGN IAW AMM 25-21-45. - [SDR SWAA2026052705903](https://openairdocs.org/sdr/SWAA2026052705903), May 23, 2026: LIGHT. INOPERATIVE. FOUND EMERGENCY LIGHTS INOPERATIVE AT EXTERIOR OF AFT RH SERVICE DOOR. LT EMERGENCY EXITS DOOR SIGNS (2EA) AND LH EXIT DOOR LOWER SIGN. REMOVED AND REPLACED EME - [SDR SWAA2026032081433](https://openairdocs.org/sdr/SWAA2026032081433), Mar 19, 2026: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHT INOP OVER L1 DOOR. R & R EMERGENCY POWER SUPPLY BATTERY PACK IAW AMM 33-51-06. OPS CHECK GOOD. - [SDR SWAA2026032081432](https://openairdocs.org/sdr/SWAA2026032081432), Mar 19, 2026: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS INOPERATIVE AT ROW 20FED. R & R POWER SUPPLY BATTERY PACK IAW AMM 33-51-06. OPS CHECKED GOOD. - [SDR SWAA2026032081431](https://openairdocs.org/sdr/SWAA2026032081431), Mar 19, 2026: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS INOPERATIVE AT ROW 7ABC. R & R POWER SUPPLY BATTERY PACK IAW AMM 33-51-06-960-805. OPS CHECK GOOD . - [SDR SWAA2026012964832](https://openairdocs.org/sdr/SWAA2026012964832), Jan 27, 2026: BATTERY PACK. INOPERATIVE. LEFT AFT EMERGENCY ESCAPE LIGHTS INOPERATIVE. REMOVED & REPLACED THE M1670 BATTERY PACK IAW AMM 33-51-06. OPS CHECKED GOOD. - [SDR SWAA2025110430652](https://openairdocs.org/sdr/SWAA2025110430652), Nov 1, 2025: BATTERY PACK. INOPERATIVE. RIGHT SIDE FWD OVERWING EMERGENCY EXIT LIGHT INOPERATIVE. REMOVED AND REPLACED M1676 BATTERY PACK IAW AMM 33-51-06. OPS CHECKED GOOD. - [SDR SWAA2025090810477](https://openairdocs.org/sdr/SWAA2025090810477), Sep 2, 2025: LENS. BROKEN. EXIT ROW SIGN BROKEN. SECURED CENTER AISLE EMERGENCY EXIT LIGHT LENS IAW AMM 33-51-01. ACFT OK FOR SERVICE. - [SDR SWAA2025051469764](https://openairdocs.org/sdr/SWAA2025051469764), May 11, 2025: FASTENER. LOOSE. SLIDE FELL OUT OF L1 UPON DOOR CLOSING<[01] REPLACED FASTENERS FOR FWD ENTRY DOOR GIRT BAR CLIP PER SRM 51-40-02. COMPLIED WITH TASK CARD # 725-61-06-FE. - [SDR SWAA2025050667502](https://openairdocs.org/sdr/SWAA2025050667502), May 3, 2025: SIGN. MISSING. EXIT SIGN AFT GALLEY FO SIDE MISSING<[01] REPLACED EXIT SIGN IN AFT GALLEY F/O SIDE PER SIP - [SDR SWAA2025031806548](https://openairdocs.org/sdr/SWAA2025031806548), Mar 18, 2025: DOOR. OUT OF ALIGNMENT. LANDING GEAR WILL NOT RETRACT AFTER TAKEOFF ALL THREE GREEN + (3) RED LIGHTS ILLIUMINATED <[01]. T/S IAW FIM 32-30 TASK 815 FOUND MANUAL EXTENSION DOOR TO NOT B - [SDR SWAA2025032107867](https://openairdocs.org/sdr/SWAA2025032107867), Mar 17, 2025: FLAP SYSTEM. LOCKED. < - [SDR SWAA2025022800434](https://openairdocs.org/sdr/SWAA2025022800434), Feb 27, 2025: FLASHLIGHT. FAILED. AFTER F/A FLASHLIGHT - BLINKING RED <[01]. R/R FLASHLIGHT BATTERY IAWMM 25-64-00. - [SDR SWAA2024090331665](https://openairdocs.org/sdr/SWAA2024090331665), Aug 29, 2024: SEAL. CRACKED. LEFT HORIZONTAL STABILIZER FORWARD UPPER SLIDER CRACKED.<[01] R&R UPPER FRONT SPAR SLIDING SEAL IAW AMM 53-31-31 - [SDR SWAA2024090331668](https://openairdocs.org/sdr/SWAA2024090331668), Aug 29, 2024: SEAL. CRACKED. RIGHT HORIZONTAL STABILIZER FORWARD UPPER SLIDER CRACKED.<[01] 01 - REMOVED AND REPLACED PER [AMM 53-31-31-401 CONFIG 1-NG (STABILIZER TO BODY FRONT SPAR SLIDIN - [SDR SWAA2024022956721](https://openairdocs.org/sdr/SWAA2024022956721), Feb 27, 2024: FLASHLIGHT. NO TEST. FLASHLIGHT OUTBOARD FO SIDE WONT TEST.<[01] REMOVED AND REPLACED FLASHLIGHT BATTERY IN AFT GALLEY FO SIDE OUTBOARD PER AMM 25-64-00; OPS CHECK GOOD; SEAL AND IN - [SDR SWAA2024021551845](https://openairdocs.org/sdr/SWAA2024021551845), Feb 13, 2024: LAMP. FAILED. L/H AFT OVERWING DOOR FWD BOTTOM EXIT SIGN DOES NOT ILLUMINATE.<[01] RELAMPED L/H AFT OVERWING DOOR FWD BOTTOM EXIT SIGN PER AMM 33-51-01. OPS CHECK GOOD.;[02] - [SDR SWAA2023121128041](https://openairdocs.org/sdr/SWAA2023121128041), Dec 5, 2023: FLASHLIGHT. FAILED. FLIGHT ATTENDANT FLASHLIGHT FORWARD DOES NOT PASS PREFLIGHT<[01] REPLACED FWD FA BATTERY IAW AMM 25-64-00 - [SDR SWAA2023121125549](https://openairdocs.org/sdr/SWAA2023121125549), Nov 28, 2023: BATTERY PACK. INOPERATIVE. FWD SERVICE DOOR EMERGENCY LIGHTS INOP<[01] REMOVED REPLACED AND OPS CHECKED FWD SERVICE DOOR EMERGENCY BATTERY PACK PER AMM 33-51-06;[02] REMOVED REPLACED AND - [SDR SWAA2023121125177](https://openairdocs.org/sdr/SWAA2023121125177), Nov 27, 2023: BATTERY PACK. INOPERATIVE. AFT ENTRY AND SERVICE DOOR AREA LIGHTS INOP<[01] REMOVED REPLACED AND OPS CHECKED BATTERY PACKS FOR AFT SERVICE AND AFT ENTRY EMERGENCY LIGHTS PER AMM 33-51-06 - [SDR SWAA2023121123133](https://openairdocs.org/sdr/SWAA2023121123133), Nov 20, 2023: STRAP. CORRODED. AFT CARGO FLOOR SPLICE STRAP AT 727D+4 HAS CORROSION AROUND NUTPLATE HOLES.<[01] REMOVED AND REPLACED AFT CARGO FLOOR SPLICE STRAP AT 727D+4 PER A.M.M. 25-52-10 - [SDR SWAA2023120823132](https://openairdocs.org/sdr/SWAA2023120823132), Nov 19, 2023: FLOOR SUPPORT. ELONGATED. FLIGHT DECK FLOOR STRUCTURE AT APPROXIMATE STA 259.5 LBL 20 HAS ELONGATED HOLE.(MARKED)<[01] OVERSIZED HOLE AND INSTALLED 3/16? HILOK FASTENER PER STEP 16 BULLE - [SDR SWAA2023120621121](https://openairdocs.org/sdr/SWAA2023120621121), Nov 14, 2023: FLAP. ELONGATED. #6 FLAP SUPPORT FAIRING (CANOE) O/B MIDDLE SEAL FASTENER HOLES ARE ELONGATED.<[01] REPAIRED ELONGATED FASTENER HOLES PER SRM 51-70-04-2R-9 AND 57-53-70-2R-2;[02 - [SDR SWAA2023120721020](https://openairdocs.org/sdr/SWAA2023120721020), Nov 13, 2023: BAFFLE. ELONGATED. ELONGATED HOLE IN BAFFLE BETWEEN STA 500A TO 500B AT STR 24R<[01] REMOVED AND REPLACED BAFFLE PER SRM 51-10-02 - [SDR SWAA2023121117727](https://openairdocs.org/sdr/SWAA2023121117727), Nov 4, 2023: PLATE. CORRODED. IN THE FWD CARGO BAY; THE LEFT HAND SIDE PLATE HAS AREAS OF UPPER SURFACE CORROSION BETWEEN STATIONS 500C TO 500D.<[01] BLENDED DAMAGED AREAS AND FOUND TO BE OU - [SDR SWAA2023121117728](https://openairdocs.org/sdr/SWAA2023121117728), Nov 4, 2023: PLATE. CORRODED. IN THE FWD CARGO BAY; THE LEFT HAND SIDE PLATE HAS AREAS OF UPPER SURFACE CORROSION BETWEEN STATIONS 500D TO 500E.<[01] BLENDED DAMAGED AREAS AND FOUND TO BE OU - [SDR SWAA2023121117729](https://openairdocs.org/sdr/SWAA2023121117729), Nov 4, 2023: PLATE. CORRODED. IN THE FWD CARGO BAY; THE LEFT HAND SIDE PLATE HAS AREAS OF UPPER SURFACE CORROSION BETWEEN STATIONS 500E TO 500F.<[01] BLENDED DAMAGED AREAS AND FOUND TO BE OU - [SDR SWAA2023121118225](https://openairdocs.org/sdr/SWAA2023121118225), Nov 4, 2023: ANGLE. CORRODED. AFT CARGO L/H TRANSITION ANGLE HAS CORROSION ON UPPER SURFACE STA 727G TO 727G+22 LBL 22. MRKD