# N21108: 1994 Boeing 757-224

- Status: Valid registration
- Airframe: [Boeing 757-224](https://openairdocs.org/model/boeing-757-224) (registry code 1384958, 178 seats)
- Engine: [Rolls-Royce RB-211 series](https://openairdocs.org/engine/rolls-royce-rb-211-series) (registry code 54555)
- Data sheets: [TCDS A2NM](https://openairdocs.org/tcds/A2NM) (The Boeing Company) (OpenAirDocs)
- Serial number: 27298
- Year built: 1994
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: November 7, 1994
- Certificate issued: July 15, 2014
- Expires: July 31, 2027
- Mode S code: A1BFB2
- Registered owner: [United Airlines Inc](https://openairdocs.org/faa-owner/UNITED%20AIRLINES%20INC)
- Location: [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago)
- Owner type: Corporation
- Owner's area on the map: 41.8813° N, 87.6375° W: Placed by OpenAirDocs at the center of ZIP code 60606, 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=21108
- Page: https://openairdocs.org/aircraft/N21108

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 Rolls-Royce RB-211 model are included.

## ADs that may apply (OpenAirDocs): 456 in force

### Matched by airframe (Boeing 757-224)

- [AD 2026-13-16](https://openairdocs.org/ad/2026-13-16): Navigation · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 6 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 2026-08-09](https://openairdocs.org/ad/2026-08-09): Wings · Boeing 757-200 Series and 757-300 Series with STC ST01518SE. Effective Jun 3, 2026
- [AD 2026-04-06](https://openairdocs.org/ad/2026-04-06): Wings · Boeing 757-200 Series and 757-300 Series. Effective Feb 26, 2026
- [AD 2026-01-05](https://openairdocs.org/ad/2026-01-05): Wings · Boeing 757-200 Series and 757-300 Series. Effective Feb 20, 2026
- [AD 2025-23-03](https://openairdocs.org/ad/2025-23-03): Fire protection · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 1 more. Effective Jan 13, 2026
- [AD 2025-20-14](https://openairdocs.org/ad/2025-20-14): Equipment/furnishings · Boeing 757-200 Series. Effective Jan 2, 2026
- [AD 2025-20-04](https://openairdocs.org/ad/2025-20-04): Flight controls · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Nov 6, 2025
- [AD 2025-19-11](https://openairdocs.org/ad/2025-19-11): Landing Gear · Boeing 757-200 Series, 757-200PF Series and 757-200CB Series. Effective Nov 6, 2025
- [AD 2025-11-01](https://openairdocs.org/ad/2025-11-01): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective Jul 8, 2025
- [AD 2025-02-13](https://openairdocs.org/ad/2025-02-13): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Mar 17, 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 2024-25-09](https://openairdocs.org/ad/2024-25-09): Hydraulic power · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 1 more. Effective Feb 14, 2025
- [AD 2024-24-01](https://openairdocs.org/ad/2024-24-01): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Jan 13, 2025
- [AD 2024-12-09](https://openairdocs.org/ad/2024-12-09): Wings · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Aug 22, 2024
- [AD 2024-10-07](https://openairdocs.org/ad/2024-10-07): Fuselage · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 1 more. Effective Jul 19, 2024
- [AD 2024-10-05](https://openairdocs.org/ad/2024-10-05): Equipment/Furnishings · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Jul 19, 2024
- [AD 2024-12-07](https://openairdocs.org/ad/2024-12-07): Fuselage · Boeing 757-200 Series with STC ST01529SE or ST02278SE. Effective Jul 11, 2024
- [AD 2024-07-05](https://openairdocs.org/ad/2024-07-05): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective Jun 5, 2024
- [AD 2024-05-09](https://openairdocs.org/ad/2024-05-09): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective May 8, 2024
- [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 2023-12-12](https://openairdocs.org/ad/2023-12-12): Navigation · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 6 more. Effective Jun 21, 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 2022-20-15](https://openairdocs.org/ad/2022-20-15): Wings · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 1 more. Effective Dec 7, 2022
- [AD 2022-15-09](https://openairdocs.org/ad/2022-15-09): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective Aug 17, 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 2022-13-04](https://openairdocs.org/ad/2022-13-04): Fuselage · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 1 more. Effective Aug 12, 2022
- [AD 2022-07-07](https://openairdocs.org/ad/2022-07-07): Equipment/furnishings · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective May 26, 2022
- [AD 2021-26-28](https://openairdocs.org/ad/2021-26-28): Fuel · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 1 more. Effective Mar 3, 2022
- [AD 2021-22-23](https://openairdocs.org/ad/2021-22-23): Wings · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 1 more. Effective Dec 29, 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 2021-05-11](https://openairdocs.org/ad/2021-05-11): Flight controls · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Apr 19, 2021
- [AD 2020-20-10](https://openairdocs.org/ad/2020-20-10): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective Nov 10, 2020
- [AD 2020-04-15](https://openairdocs.org/ad/2020-04-15): Air conditioning · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 4 more. Effective May 8, 2020
- [AD 2020-05-25](https://openairdocs.org/ad/2020-05-25): Fuselage · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective May 4, 2020
- [AD 2020-01-18](https://openairdocs.org/ad/2020-01-18): Fuel, Fuselage, Wings · Winglets, wing structural reinforcement (Aviation Partners Boeing STC ST01518SE). Effective Mar 5, 2020
- [AD 2019-24-18](https://openairdocs.org/ad/2019-24-18): Navigation · Boeing 727-100 Series, 727-100C Series, 727-200 Series and 11 more. Effective Feb 3, 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 2019-07-04](https://openairdocs.org/ad/2019-07-04): Editorial Note: Rule document 2019-07587 was originally published on pages 15949 through 15952 in the issue of Wednesday, April 17, 2019. In that publication, on page 15951, in the title of  
 the Airworthiness Directive, ''-04'' was inadvertently left out. The corrected document is republished in its entirety. · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective May 22, 2019
- [AD 2018-23-12](https://openairdocs.org/ad/2018-23-12): Equipment/furnishings · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 180 more. Effective Dec 28, 2018
- [AD 2018-20-13](https://openairdocs.org/ad/2018-20-13): Fuel · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 13 more. Effective Nov 15, 2018
- [AD 2018-19-23](https://openairdocs.org/ad/2018-19-23): Doors · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 15 more. Effective Nov 7, 2018
- [AD 2018-18-07](https://openairdocs.org/ad/2018-18-07): Fuselage · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Oct 10, 2018
- [AD 2018-06-08](https://openairdocs.org/ad/2018-06-08): Fuselage · Boeing 757-200 Series. Effective Apr 19, 2018
- [AD 2017-26-07](https://openairdocs.org/ad/2017-26-07): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective Feb 7, 2018
- [AD 2017-26-02](https://openairdocs.org/ad/2017-26-02): Doors · Boeing 757-200 Series. Effective Jan 24, 2018
- [AD 2017-22-12](https://openairdocs.org/ad/2017-22-12): Wings · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Dec 26, 2017
- [AD 2017-20-05](https://openairdocs.org/ad/2017-20-05): Fuselage · Boeing 757-200 Series and 757-300 Series. Effective Nov 6, 2017
- [AD 2017-19-10](https://openairdocs.org/ad/2017-19-10): Doors · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Oct 27, 2017
- [AD 2017-12-14](https://openairdocs.org/ad/2017-12-14): Fuselage · Boeing 757-200 Series and 757-200PF Series. Effective Jul 25, 2017

### Matched by engine (Rolls-Royce RB-211 series)

- [AD 2026-20-11](https://openairdocs.org/ad/2026-20-11): Turbine Engine Compressor Section · Rolls-Royce Deutschland RB211 Trent 768-60, RB211 Trent 772-60 and RB211 Trent 772B-60. Effective Nov 17, 2026
- [AD 2026-18-04](https://openairdocs.org/ad/2026-18-04): Turbine Engine Compressor Section · Rolls-Royce Deutschland RB211 Trent 768-60, RB211 Trent 772-60 and RB211 Trent 772B-60. Effective Oct 16, 2026
- [AD 2026-18-52](https://openairdocs.org/ad/2026-18-52): Turbine Engine Oil System · Rolls-Royce Deutschland RB211-Trent 875-17, RB211-Trent 877-17, RB211-Trent 884-17 and 4 more. Effective Sep 21, 2026
- [AD 2026-18-51](https://openairdocs.org/ad/2026-18-51): Turbine Engine Oil System · Rolls-Royce Deutschland RB211 Trent 768-60, RB211 Trent 772-60 and RB211 Trent 772B-60. Effective Sep 21, 2026
- [AD 2026-10-06](https://openairdocs.org/ad/2026-10-06): Turbine Section · Rolls-Royce Deutschland RB211 Trent 768-60, RB211 Trent 772-60 and RB211 Trent 772B-60. Effective Jun 12, 2026
- [AD 2025-05-04](https://openairdocs.org/ad/2025-05-04): Engine Drains · Rolls-Royce Deutschland RB211-TRENT 970-84 and RB211-TRENT 972-84. Effective Apr 1, 2025
- [AD 2024-10-06](https://openairdocs.org/ad/2024-10-06): Engine (Turbine/Turboprop) · Rolls-Royce Deutschland RB211-535E4-37, RB211-535E4-B-37 and RB211-535E4-C-37. Effective Jun 27, 2024
- [AD 2024-07-04](https://openairdocs.org/ad/2024-07-04): Turbine Engine Compressor Section · Rolls-Royce Deutschland RB211-524H-36 and RB211-524H-T-36. Effective Apr 15, 2024
- [AD 2023-23-13](https://openairdocs.org/ad/2023-23-13): Turbine Engine Compressor Section · Rolls-Royce Deutschland RB211-Trent 875-17, RB211-Trent 877-17, RB211-Trent 884-17 and 4 more. Effective Jan 4, 2024
- [AD 2023-22-01](https://openairdocs.org/ad/2023-22-01): Turbine Section · Rolls-Royce Deutschland RB211-524G2-19, RB211-524G2-T-19, RB211-524G3-19 and 5 more. Effective Dec 26, 2023
- [AD 2023-21-03](https://openairdocs.org/ad/2023-21-03): Turbine Engine Compressor Section · Rolls-Royce Deutschland RB211-524G2-19, RB211-524G2-T-19, RB211-524G3-19 and 5 more. Effective Dec 11, 2023
- [AD 2023-18-05](https://openairdocs.org/ad/2023-18-05): Turbine Engine Compressor Section · Rolls-Royce Deutschland RB211-535C-37. Effective Oct 30, 2023
- [AD 2023-18-01](https://openairdocs.org/ad/2023-18-01): Engine Fuel Pump · Rolls-Royce Deutschland RB211-Trent 875-17, RB211-Trent 877-17, RB211-Trent 884-17 and 4 more. Effective Oct 30, 2023
- [AD 2023-17-12](https://openairdocs.org/ad/2023-17-12): Turbine Engine Compressor Section · Rolls-Royce Deutschland RB211 Trent 768-60, RB211 Trent 772-60 and RB211 Trent 772B-60. Effective Oct 26, 2023
- [AD 2022-09-10](https://openairdocs.org/ad/2022-09-10): Turbine Engine Compressor Section · Rolls-Royce Deutschland RB211-Trent 875-17, RB211-Trent 877-17, RB211-Trent 884-17 and 4 more. Effective Jun 23, 2022
- [AD 2021-08-01](https://openairdocs.org/ad/2021-08-01): Turbine Engine Combustion Section · Rolls-Royce Deutschland RB211 Trent 768-60, RB211 Trent 772-60 and RB211 Trent 772B-60. Effective Apr 30, 2021
- [AD 2020-25-04](https://openairdocs.org/ad/2020-25-04): Engine Fireseals · Rolls-Royce Deutschland RB211-Trent 875-17, RB211-Trent 877-17, RB211-Trent 884-17 and 4 more. Effective Jan 8, 2021
- [AD 2020-08-03](https://openairdocs.org/ad/2020-08-03): Turbine Engine Compressor Section · Rolls-Royce Deutschland RB211-535E4-37, RB211-535E4-B-37, RB211-535E4-B-75 and 1 more. Effective May 18, 2020
- [AD 2019-11-07](https://openairdocs.org/ad/2019-11-07): Turbine Engine Compressor Section · Rolls-Royce RB211-524G3-19, RB211-524G3-T-19, RB211-524H-36 and 3 more. Effective Jun 28, 2019
- [AD 2018-18-15](https://openairdocs.org/ad/2018-18-15): Turbine Engine Compressor Section · Rolls-Royce RB211-Trent 875-17, RB211-Trent 877-17, RB211-Trent 884-17 and 4 more. Effective Nov 1, 2018
- [AD 2018-18-06](https://openairdocs.org/ad/2018-18-06): Turbine Section · Rolls-Royce RB211-TRENT 970-84, RB211-TRENT 970B-84, RB211-TRENT 972-84 and 4 more. Effective Sep 20, 2018
- [AD 2017-24-08](https://openairdocs.org/ad/2017-24-08): Fuel control/Turbine engines · Rolls-Royce RB211-535E4-37, RB211-535E4-B-37 and RB211-535E4-C-37. Effective Jan 16, 2018
- [AD 2017-19-16](https://openairdocs.org/ad/2017-19-16): Turbine Engine Compressor Section · Rolls-Royce RB211 Trent 553-61, RB211 Trent 553A2-61, RB211 Trent 556-61 and 5 more. Effective Oct 13, 2017
- [AD 2017-10-13](https://openairdocs.org/ad/2017-10-13): Low-pressure (LP) fuel return tube · Rolls-Royce RB211 Trent 768-60, RB211 Trent 772-60 and RB211 Trent 772B-60. Effective Jul 10, 2017
- [AD 2017-10-06](https://openairdocs.org/ad/2017-10-06): Turbine Engine Compressor Section · Rolls-Royce RB211 Trent 768-60, RB211 Trent 772-60 and RB211 Trent 772B-60. Effective Jun 9, 2017
- [AD 2017-08-11](https://openairdocs.org/ad/2017-08-11): Engine · Rolls-Royce RB211-Trent 875-17, RB211-Trent 877-17, RB211-Trent 884-17 and 4 more. Effective May 30, 2017
- [AD 2017-08-10](https://openairdocs.org/ad/2017-08-10): Engine · Rolls-Royce RB211-TRENT 970-84, RB211-TRENT 970B-84, RB211-TRENT 972-84 and 4 more. Effective May 9, 2017
- [AD 2017-03-03](https://openairdocs.org/ad/2017-03-03): Engine Oil Cooler · Rolls-Royce RB211 Trent 553-61, RB211 Trent 553A2-61, RB211 Trent 556-61 and 5 more. Effective Mar 17, 2017
- [AD 2016-25-10](https://openairdocs.org/ad/2016-25-10): High-pressure compressor (HPC) · Rolls-Royce RB211-Trent 875-17, RB211-Trent 877-17, RB211-Trent 884-17 and 4 more. Effective Jan 20, 2017
- [AD 2016-08-07](https://openairdocs.org/ad/2016-08-07): LPT support roller bearing · Rolls-Royce RB211-22B-02, RB211-22B/MOD 72-8700, RB211-524B-02 and 22 more. Effective May 16, 2016
- [AD 2016-04-13](https://openairdocs.org/ad/2016-04-13): Sealing sleeve · Rolls-Royce RB211 Trent 768-60, RB211 Trent 772-60 and RB211 Trent 772B-60. Effective Apr 19, 2016
- [AD 2016-03-04](https://openairdocs.org/ad/2016-03-04): Life-limited rotating parts · Rolls-Royce RB211-535E4-37, RB211-535E4-B-37 and RB211-535E4-C-37. Effective Mar 15, 2016
- [AD 2015-16-03](https://openairdocs.org/ad/2015-16-03): High-pressure turbine (HPT) blades · Rolls-Royce RB211-524B-02, RB211-524B2-19, RB211-524B3-02 and 6 more. Effective Sep 15, 2015
- [AD 2015-07-01](https://openairdocs.org/ad/2015-07-01): Low-pressure turbine (LPT) stage 3 turbine blades · Rolls-Royce RB211-524B-02, RB211-524B-B-02, RB211-524B2-19 and 4 more. Effective May 8, 2015
- [AD 2015-04-06](https://openairdocs.org/ad/2015-04-06): Electronic engine control (EEC) · Rolls-Royce RB211-Trent 875-17, RB211-Trent 877-17, RB211-Trent 884-17 and 4 more. Effective Apr 8, 2015
- [AD 2015-02-20](https://openairdocs.org/ad/2015-02-20): Intermediate-pressure compressor (IPC) rotor shaft · Rolls-Royce RB211-Trent 875-17, RB211-Trent 877-17, RB211-Trent 884-17 and 22 more. Effective Mar 11, 2015
- [AD 2014-14-01](https://openairdocs.org/ad/2014-14-01): Electronic engine control (EEC) · Rolls-Royce RB211 Trent 768-60, RB211 Trent 772-60 and RB211 Trent 772B-60. Effective Aug 15, 2014
- [AD 2014-13-02](https://openairdocs.org/ad/2014-13-02): LP turbine bearing support and exhaust case assembly · Rolls-Royce RB211-Trent 875-17, RB211-Trent 877-17, RB211-Trent 884-17 and 4 more. Effective Aug 5, 2014
- [AD 2014-13-03](https://openairdocs.org/ad/2014-13-03): Electronic engine control (EEC) software · Rolls-Royce RB211 Trent 553-61, RB211 Trent 553A2-61, RB211 Trent 556-61 and 5 more. Effective Jul 14, 2014
- [AD 2013-23-17](https://openairdocs.org/ad/2013-23-17): High-pressure (HP) and intermediate-pressure (IP) turbine discs · Rolls-Royce RB211-535E4-37, RB211-535E4-B-37, RB211-535E4-C-37 and 3 more. Effective Dec 11, 2013
- [AD 2013-23-12](https://openairdocs.org/ad/2013-23-12): Low-pressure (LP) compressor fan blade set · Rolls-Royce RB211 Trent 553-61, RB211 Trent 553A2-61, RB211 Trent 556-61 and 5 more. Effective Dec 11, 2013
- [AD 2013-19-21](https://openairdocs.org/ad/2013-19-21): Cracks in the HP compressor stage 1 and 2 disc posts · Rolls-Royce RB211-524G2-T-19, RB211-524G3-T-19, RB211-524H-T-36 and 19 more. Effective Nov 6, 2013
- [AD 2013-16-23](https://openairdocs.org/ad/2013-16-23): Cracked and distorted FCL metering panel · Rolls-Royce RB211-524B-02, RB211-524B2-19, RB211-524B3-02 and 13 more. Effective Oct 8, 2013
- [AD 2013-05-04](https://openairdocs.org/ad/2013-05-04): Piston ring · Rolls-Royce RB211-TRENT 970-84, RB211-TRENT 970B-84, RB211-TRENT 972-84 and 4 more. Effective Apr 30, 2013
- [AD 2013-04-01](https://openairdocs.org/ad/2013-04-01): Thrust reverser units (TRUs) · Rolls-Royce RB211-524D4-19, RB211-524D4-39, RB211-524D4-B-19 and 11 more. Effective Mar 8, 2013
- [AD 2012-25-09](https://openairdocs.org/ad/2012-25-09): Intermediate-pressure (IP) turbine discs · Rolls-Royce RB211-524G2-19, RB211-524G2-T-19, RB211-524G3-19 and 10 more. Effective Feb 6, 2013
- [AD 2013-02-03](https://openairdocs.org/ad/2013-02-03): Fuel oil heat exchanger (FOHE) · Rolls-Royce RB211-TRENT 970-84, RB211-TRENT 970B-84, RB211-TRENT 972-84 and 4 more. Effective Jan 24, 2013
- [AD 2012-25-08](https://openairdocs.org/ad/2012-25-08): High pressure/ intermediate pressure (HP/IP) turbine bearing support oil feed tube outer heat shield · Rolls-Royce RB211 Trent 768-60, RB211 Trent 772-60 and RB211 Trent 772B-60. Effective Jan 10, 2013
- [AD 2012-24-05](https://openairdocs.org/ad/2012-24-05): Oil transfer tube · Rolls-Royce RB211-TRENT 970-84 and RB211-TRENT 972-84. Effective Dec 26, 2012
- [AD 2012-18-07](https://openairdocs.org/ad/2012-18-07): Low-pressure (LP) compressor blades · Rolls-Royce RB211-Trent 875-17, RB211-Trent 877-17, RB211-Trent 884-17 and 4 more. Effective Oct 29, 2012

### Historical (superseded or no longer in force)

- [AD 2022-08-12](https://openairdocs.org/ad/2022-08-12) (historical): Wings · Boeing 757-200 Series, 757-200PF Series, 757-200CB Series and 1 more. Effective Jun 10, 2022
- [AD 2022-04-05](https://openairdocs.org/ad/2022-04-05) (historical): Navigation · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 6 more. Effective Feb 14, 2022
- [AD 2020-21-17](https://openairdocs.org/ad/2020-21-17) (historical): Wings · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Jan 14, 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 2019-23-06](https://openairdocs.org/ad/2019-23-06) (historical): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective Jan 13, 2020
- [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 2019-12-13](https://openairdocs.org/ad/2019-12-13) (historical): Flight controls · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Jul 12, 2019
- [AD 2018-26-03](https://openairdocs.org/ad/2018-26-03) (historical): Equipment/furnishings · Boeing 757-200 Series. Effective Jan 31, 2019
- [AD 2018-16-05](https://openairdocs.org/ad/2018-16-05) (historical): Wings · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Sep 10, 2018
- [AD 2018-06-07](https://openairdocs.org/ad/2018-06-07) (historical): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective May 3, 2018
- [AD 2017-24-10](https://openairdocs.org/ad/2017-24-10) (historical): Fuselage · Boeing 757-200 Series, 757-200PF Series and 757-300 Series. Effective Jan 9, 2018
- [AD 2017-26-10](https://openairdocs.org/ad/2017-26-10) (historical): Flight controls · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Jan 3, 2018
- [AD 2015-08-01](https://openairdocs.org/ad/2015-08-01) (historical): Flight Controls · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective May 26, 2015
- [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 2013-01-02](https://openairdocs.org/ad/2013-01-02) (historical): Doors · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 12 more. Effective Feb 22, 2013
- [AD 2012-15-15](https://openairdocs.org/ad/2012-15-15) (historical): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective Oct 3, 2012
- [AD 2011-01-15](https://openairdocs.org/ad/2011-01-15) (historical): Fuselage · Boeing 757-200 Series, 757-200CB Series and 757-300 Series. Effective Jan 25, 2011
- [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 2009-22-08](https://openairdocs.org/ad/2009-22-08) (historical): Control switches · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 12 more. Effective Dec 3, 2009
- [AD 2008-23-19](https://openairdocs.org/ad/2008-23-19) (historical): Left and right main fuel tanks · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Dec 30, 2008
- [AD 2008-13-20](https://openairdocs.org/ad/2008-13-20) (historical): Aft hinge fittings · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Aug 6, 2008
- [AD 2008-10-11](https://openairdocs.org/ad/2008-10-11) (historical): Fuel tank systems · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Jun 12, 2008
- [AD 2008-09-07](https://openairdocs.org/ad/2008-09-07) (historical): Fuel filter · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 4 more. Effective May 8, 2008
- [AD 2008-05-10](https://openairdocs.org/ad/2008-05-10) (historical): Vertical flange and bulkhead · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 9 more. Effective Mar 18, 2008
- [AD 2007-16-13](https://openairdocs.org/ad/2007-16-13) (historical): Shim installation · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Aug 24, 2007
- [AD 2007-03-01](https://openairdocs.org/ad/2007-03-01) (historical): Power feeder wire bundles · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Mar 5, 2007
- [AD 2006-20-11](https://openairdocs.org/ad/2006-20-11) (historical): Rivet inspection · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Nov 8, 2006
- [AD 2006-11-11](https://openairdocs.org/ad/2006-11-11) (historical): Fatigue cracking of PSEs · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Jun 30, 2006
- [AD 2005-18-18](https://openairdocs.org/ad/2005-18-18) (historical): Left and right engine-to-wing aft fairings · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Oct 14, 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 2005-12-04](https://openairdocs.org/ad/2005-12-04) (historical): Aft torque bulkhead · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Jun 29, 2005
- [AD 2005-04-14](https://openairdocs.org/ad/2005-04-14) (historical): Joint of the mid-bulkhead and the upper link fittings · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Mar 15, 2005
- [AD 2004-12-07](https://openairdocs.org/ad/2004-12-07) (historical): Nacelle strut and wing structure · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Jul 21, 2004
- [AD 2004-09-32](https://openairdocs.org/ad/2004-09-32) (historical): Fuselage skin · Boeing 757-200 Series. Effective May 24, 2004
- [AD 2003-18-05](https://openairdocs.org/ad/2003-18-05) (historical): Nacelle Strut and Wing Structure · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 1 more. Effective Oct 16, 2003
- [AD 94-01-10 R1](https://openairdocs.org/ad/94-01-10-R1) (historical): Engine thrust reverser system · Boeing 757-200 Series and 757-200PF Series. Effective Sep 18, 2003
- [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 2003-07-08](https://openairdocs.org/ad/2003-07-08) (historical): Upper link fittings · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Apr 18, 2003
- [AD 2001-24-02](https://openairdocs.org/ad/2001-24-02) (historical): Shoulder Restraint Harness Attachment · Boeing 707-100 Long Body, 707-100B Long Body, 707-300 Series (all) and 20 more. Effective Jan 4, 2002
- [AD 99-27-06](https://openairdocs.org/ad/99-27-06) (historical): Thrust Reverser Cable · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Feb 7, 2000
- [AD 99-18-16](https://openairdocs.org/ad/99-18-16) (historical): Modular Avionics Warning Electronic Assembly or Warning Electronics Unit · Boeing 747-400 Series, 747-400D Series, 747-400F Series and 6 more. Effective Sep 16, 1999
- [AD 99-09-13](https://openairdocs.org/ad/99-09-13) (historical): Forward Lavatory · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Jun 1, 1999
- [AD 97-06-04](https://openairdocs.org/ad/97-06-04) (historical): Lower Spar Chord · Boeing 757-200 Series, 757-200CB Series and 757-200PF Series. Effective Mar 28, 1997
- [AD 74-08-09 R2](https://openairdocs.org/ad/74-08-09-R2) (historical): Waste Receptacles · Aero Spacelines 377, 377MG, 377SGT and 268 more. Effective Jul 29, 1996
- [AD 2021-26-11](https://openairdocs.org/ad/2021-26-11) (historical): Engine Fuel Pump · Rolls-Royce Deutschland RB211-Trent 875-17, RB211-Trent 877-17, RB211-Trent 884-17 and 4 more. Effective Jan 3, 2022
- [AD 2020-24-08](https://openairdocs.org/ad/2020-24-08) (historical): Turbine Section · Rolls-Royce Deutschland RB211 Trent 768-60, RB211 Trent 772-60 and RB211 Trent 772B-60. Effective Jan 4, 2021
- [AD 2020-15-07](https://openairdocs.org/ad/2020-15-07) (historical): Turbine Section · Rolls-Royce Deutschland RB211-524G2-19, RB211-524G2-T-19, RB211-524G3-19 and 5 more. Effective Aug 4, 2020
- [AD 2020-06-16](https://openairdocs.org/ad/2020-06-16) (historical): Turbine Engine Compressor Section · Rolls-Royce Deutschland RB211 Trent 768-60, RB211 Trent 772-60 and RB211 Trent 772B-60. Effective May 5, 2020
- [AD 2019-05-02](https://openairdocs.org/ad/2019-05-02) (historical): Powerplant/Engine Drains · Rolls-Royce RB211-TRENT 970-84 and RB211-TRENT 972-84. Effective Mar 27, 2019
- [AD 2017-22-13](https://openairdocs.org/ad/2017-22-13) (historical): Powerplant/Engine Drains · Rolls-Royce RB211-TRENT 970-84 and RB211-TRENT 972-84. Effective Nov 22, 2017

All 571: https://openairdocs.org/aircraft/N21108/ads.md

## Information bulletins (advisory) (14 in force)

- [SAIB 2026-09](https://openairdocs.org/saib/2026-09): HYDRAULIC POWER, Hydraulic Power Transfer Unit System. Issued Apr 6, 2026
- [SAIB 2025-02](https://openairdocs.org/saib/2025-02): DOORS, Main Deck Cargo Door. Issued Feb 21, 2025
- [SAIB 2025-01](https://openairdocs.org/saib/2025-01): HYDRAULIC POWER SYSTEM, Fatigue Failure of Hydraulic Flexible Hoses. Issued Jan 14, 2025
- [SAIB NM-20-07](https://openairdocs.org/saib/NM-20-07): Navigation - Glideslope System. Issued Apr 16, 2020
- [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-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-15-03](https://openairdocs.org/saib/NM-15-03): Flight Controls. Issued Nov 24, 2014
- [SAIB NM-10-24](https://openairdocs.org/saib/NM-10-24): Hydraulic Motors: Hydraulic Motor Generator (HMG) Inadvertent Lock-out. Issued Mar 31, 2010
- [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-07-14](https://openairdocs.org/saib/NM-07-14): M10444 APU/Cargo Fire Control Panel (APU/CFCP). Issued Jan 3, 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 2026-11](https://openairdocs.org/saib/2026-11): Theft of Turbofan Engine Parts before Mutilation. Issued Jun 8, 2026

## NTSB investigations

None matched to N21108.

## FAA accident and incident reports

None matched to N21108.

## Service difficulty reports (125, 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 CALA2026090719280](https://openairdocs.org/sdr/CALA2026090719280), Sep 5, 2026: SLEEVE. MISSING. UPON ARRIVAL, FLIGHT 3851 IAD TO PNS AND SUBSEQUENT INSPECTION, FOUND LARGE PIECE OF NR 1 INBD REVERSER SLEEVE GRAPHITE SKIN MATERIAL MISSING. AREA MEASURES 23"
- [SDR CALA2026090319216](https://openairdocs.org/sdr/CALA2026090319216), Aug 31, 2026: DOOR. OUT OF RIG. LEFT AFT ENTRY DOOR EICAS AND ENTRY DOOR LIGHT ILLUMINATED AFTER TAKEOFF DURING CLIMBOUT. DID NOT EXCEED 10000 FT AIR RETURN. PER CREW DEBRIEF, DOOR HANDLE SWUN
- [SDR CALA2026090319222](https://openairdocs.org/sdr/CALA2026090319222), Aug 28, 2026: SKIN. CRACKED. LEFT WING INTERSPAR LOWER SKIN OTBD OF SPLICE AT WSTA 711.50, CRACK DAMAGE. PERFORMED IAW ECRA 5720-03675, ACCOMPLISHED A PERMANENT REPAIR PER PART 3 OF THE LAT
- [SDR CALA2026082418831](https://openairdocs.org/sdr/CALA2026082418831), Aug 19, 2026: ACCESS PANEL. CRACKED. GOUGED NOTED POSSIBLY CRACK AT HOLE #6 LOWER ACCESS PANEL 543BB, LT WING AT 12 OCLOCK LOOKING UP AND FWD. REPAIR ACCOMPLISHED IAW EA 757-5720-13-A4547.
- [SDR CALA2026082018760](https://openairdocs.org/sdr/CALA2026082018760), Aug 19, 2026: DRAG FITTING. CRACKED. CORROSION NOTED AT HOLE NR 16, RT UPPER WING SKIN AND DRAG FITTING, ALL LAYERS AND ALL POSITION. REPAIRED IAW ECRA 5720-03671 AND EA 757-5720-13-A4557 REV-.
- [SDR CALA2026082018756](https://openairdocs.org/sdr/CALA2026082018756), Aug 19, 2026: FRAME. DENTED. FWD CARGO RT BS 680 FRAME DENTED AT S24R. REPAIRED IAW ECRA 5330-07809 AND EA 757-5330-13-A4551 REV-.
- [SDR CALA2026082018744](https://openairdocs.org/sdr/CALA2026082018744), Aug 17, 2026: FRAME. CRACKED. THE LT SIDE FRAME WEB BOTTOM HOLE AT BS 1640, IS OUT OF ROUND AND A CRACK INDICATION, BY THE 6 O'CLOCK POSITION. CRACK INDICATION IN THE FRAME WEB LAYER ONLY. D
- [SDR CALA2026081318563](https://openairdocs.org/sdr/CALA2026081318563), Aug 12, 2026: INTERCOSTAL. CRACKED. LEFT WW BS 1060, INTERCOSTAL & SEAL CRACKED JUST FWD OF THE DOOR SENSOR BRACKET. REMOVED & REPLACED INTERCOSTAL AT LT SIDE WW BS 1060 IAW SRM 51-40-02.
- [SDR CALA2026080318195](https://openairdocs.org/sdr/CALA2026080318195), Aug 1, 2026: SKIN. CORRODED. RIGHT WING SKIN, LOWER SURFACE UNDER PANEL 643BB FUEL TANK ACCESS DOOR CUTOUT HAS CORROSION. REMOVED CORROSION ON WING SKIN LOWER SURFACE PANEL 643BB FUEL TANK 
- [SDR CALA2026080218184](https://openairdocs.org/sdr/CALA2026080218184), Jul 31, 2026: SUPPORT BRACKET. CORRODED. AFT CARGO, FWD OF BS 1440, STR 27R BILGE AREA, SUPPORT BRACKET HAS CORROSION. REMOVED FABRICATED AND REPLACED ANGLE AT AFT CARGO FWD OF BS 1440, S27R BILGE AREA
- [SDR CALA2026080218178](https://openairdocs.org/sdr/CALA2026080218178), Jul 31, 2026: FLAP. CRACKED. FLAP DAMAGED, OUT-OF-LIMITS.
- [SDR CALA2026073118126](https://openairdocs.org/sdr/CALA2026073118126), Jul 30, 2026: CHANNEL. CORRODED. AFT CARGO, UNDER INN SCUFF PLATE, TRANSITION PANEL, ALONG OF BS 1380 - 1440 HAS CORROSION. REMOVED CORROSION EVALUATED TRANSITION PANEL FOUND TO BE WITHIN LIMIT
- [SDR CALA2026073118124](https://openairdocs.org/sdr/CALA2026073118124), Jul 30, 2026: STRAP. CRACKED. AFT CARGO, BS 1580 - 1600 CEILING STRAP CRACKED. REMOVED ANGLE CLIP DAMAGE IAW SRM 51-40-02, RECIERED NEW ANGLE CLIP FROM TRAVELER T26/1871532, LOCATED AND DRIL
- [SDR CALA2026072718059](https://openairdocs.org/sdr/CALA2026072718059), Jul 26, 2026: SKIN. CRACKED. HIDDEN DAMAGE INSP, RT WING INBD FLAP UPPER SKIN CRACKED APPROX 2"AT I/B SIDE. REMOVED 70 E/A FASTENERS AND INSTALLED RT WING INBD FLAP UPPER, REMOVED AND INSTA
- [SDR CALA2026051216191](https://openairdocs.org/sdr/CALA2026051216191), May 12, 2026: FILTER. DIRTY. DURING INSPECTION FOR POSSIBLE ODOR COMING INTO CABIN, FOUND EXCHANGE FILTER FOR ZONAL DRYING SYSTEM CLOGGED/ DIRTY REMOVED AND REPLACED EXCHANGE FILTER TO ZONA
- [SDR CALA2026040315055](https://openairdocs.org/sdr/CALA2026040315055), Apr 3, 2026: INDICATION SYS. INOPERATIVE. REPEAT WRITEUP DOOR 4R WHEN ARMED SLIDE LIGHT DOES NOT ILLUMINATE, LOG 8368592, MEL 2560V REOPEN AND MEL COMPLIED WITH.
- [SDR CALA2025123012546](https://openairdocs.org/sdr/CALA2025123012546), Dec 27, 2025: UNKNOWN. VIBRATION. ACFT DIVERTED TO EWR FOR VIBRATION IN MID GALLEY 3. CREW STATED VIBRATION FELT BETWEEN DOORS 2L & R. VIBRATION BEGAN AT CRUISE & CREW REPORTED IT INCREASED & DE
- [SDR CALA2025120211629](https://openairdocs.org/sdr/CALA2025120211629), Nov 26, 2025: PROXIMITY SENSOR. MISWIRED. R1 ARM LIGHT WILL NOT COME ON. INDICATION INOP. VERIFIED GIRT BAR ENGAGMENT OF DR 1R. SWAPPED LIGHT MODULE FROM L1 DOOR, FAULT DID NOT FOLLOW, FIM SUGGESTS COUL
- [SDR CALA2025102110350](https://openairdocs.org/sdr/CALA2025102110350), Oct 17, 2025: EGT INDICATION. FALSE ACTIVATION. RTO 90 KTS. L EGT 807 DEG. NORMAL TEMP AT IDLE. BRAKE MAX TEMP BTMS 5. BRAKE TEMP BACK TO NORMAL AT THIS TIME. FOLLOWED FIM 71-05 FAULT TREE 819. LT ENGINE EGT 
- [SDR CALA2025101710220](https://openairdocs.org/sdr/CALA2025101710220), Oct 13, 2025: THROTTLE. OBSTRUCTED. LARGE SPLIT ON THROTTLE TO TRY TO OBTAIN TO THRUST. ENGINE UNAB LE TO MAKE TAKEOFF POWER PERFORMED TEST 13 (TAKE OFF POWER TEST) IAW MM-71-00-00-715-223 ON NR 2
- [SDR CALA2025100209520](https://openairdocs.org/sdr/CALA2025100209520), Oct 2, 2025: POTABLE WATER. ODOR. STRONG ODOR IN POTABLE WATER AND LAV WATER, PERFORMED POTABLE WATER SYSTEM DISINFECTION IAW JC B757-MP-6700-38-001-00
- [SDR CALA2025091909045](https://openairdocs.org/sdr/CALA2025091909045), Sep 16, 2025: ANTENNA. FAILED. ON CLIMBOUT WX RADAR FAIL BOTH SIDES AND WX SYS STATUS MSG OBSERVED. REPLACED LT WX RADAR TRANSCEIVER IAW AMM 34-43-01. OPS CHECK FAILED. PERFORMED WX RADAR OPS
- [SDR CALA2025090808600](https://openairdocs.org/sdr/CALA2025090808600), Sep 4, 2025: RETAINER. INOPERATIVE. FA REPORTS DOOR 4L SLIDE HOUSING DISLODGED GIRT BAR RETAINING CLIP BENT ON FORWARD PART OF GIRT BAR. DOES NOT ALLOW GIRT BAR TO SECURE PROPERLY. REMOVED AND REP
- [SDR CALA2025090408447](https://openairdocs.org/sdr/CALA2025090408447), Sep 1, 2025: SLIDE. NO DISCREPANCY. 4L DOOR SLIDE REMOVED TO FOM REF AMM 26-66-01. INSTALLED L4 DOOR SLIDE REF AMM 25-66-01/401 C/W IDT FOR SLIDE INSTALLATION AND SAFETY PIN REMOVED AND STOWED 4L
- [SDR CALA2025090308424](https://openairdocs.org/sdr/CALA2025090308424), Aug 31, 2025: NONE. NONE. L AFT #4 ENTRY DOOR SLIDE PACK SAFTEY DISARMED PIN INSTALLED REMOVED AND STOWED L4 DOOR SLIDE PACK SAFETY PIN REF AMM 25-66-01/401 C/W IDT FOR SLIDE INSTALLATIO
- [SDR CALA2025090308423](https://openairdocs.org/sdr/CALA2025090308423), Aug 31, 2025: NONE. NONE. L4 ENTRY DOOR SLIDE PACK BUSTLE REMOVED INSTALLED DOOR 4L SLIDE BUSTLE REF AMM 52-11-02-904-004
- [SDR CALA2025082107992](https://openairdocs.org/sdr/CALA2025082107992), Aug 18, 2025: HANDLE. UNSECURE. LEFT AFT ENTRY DOOR EICAS C THE LEFT AFT ENTRY DOOR IS NOT LATCHED 18000FT ON DESCENT CABIN REMAINED PRESSURIZED DOOR HANDLE MOVED UP. PREFORMED OPS CHECK OF DO
- [SDR CALA2025082007959](https://openairdocs.org/sdr/CALA2025082007959), Aug 17, 2025: PIN. INSTALLED. INSTALLED DOOR L4 CYLINDER SAFETY PIN ASSEMBLY INTO THE INFLATION CYLINDER VALVE ON THE SLIDE PACK IAW AMM25-66-01-004-154. REMOVED DOOR L 4 CYLINDER SAFETY PIN
- [SDR CALA2025082007952](https://openairdocs.org/sdr/CALA2025082007952), Aug 16, 2025: GATE. OUT OF ADJUST. AFT ENT DOOR CAUTION MSG IN DESCENT. FAS CONFIRMED DOOR HANDLE LOOSE REPEAT WRITEUP. LEFT AFT DOOR REQUIRES ADJUSTMENT & PROX SENSOR ADJUSTMENT PER FIM FAULT CO
- [SDR CALA2025072907050](https://openairdocs.org/sdr/CALA2025072907050), Jul 25, 2025: TOILET. LEAKING. FWD LAV LEAKING & POOLING ON THE FLOOR LEAK CONFIRMED, TOILET DRAINED AND IMMEDIATE CLEAN UP ACTION CAR RIED OUT. NO EVIDENCE OF LEAK COMING FROM TOP OF TANK BE
- [SDR CALA2025072106765](https://openairdocs.org/sdr/CALA2025072106765), Jul 19, 2025: WIRE HARNESS. MISSING. DURING TROUBLE SHOOTING FOUND NO WIRES RUNNING FROM SEAT 32- 36. SEAT 35, 34 AND 32 HAVE NO WIRES AT ALL. WIRE FROM SEAT 37 IS SPLICED IN MULTIPLE PLACES WITH E
- [SDR CALA2025071706665](https://openairdocs.org/sdr/CALA2025071706665), Jul 13, 2025: GIRT BAR. FAULTED. LEFT AFT ENTRY DOOR MSG IN DECENT SPOKE WITH THE INFLIGHT CREW MEMBERS (2) STATIONED IN THE BACK OF THE A/C NEAR DOOR 4L. THEY STATED THAT THEY NOTICED THE DOOR
- [SDR CALA2025071506591](https://openairdocs.org/sdr/CALA2025071506591), Jul 13, 2025: GIRT BAR. DIRTY. 4L DOOR WILL NOT DISARM REPEAT WRITE UP CLEANED GIRT BAR AREA .OPS CHECK IS GOOD REF AMM 25-66-00
- [SDR CALA2025071506587](https://openairdocs.org/sdr/CALA2025071506587), Jul 13, 2025: ARMING LEVER. MALFUNCTIONED. FA REPORTS DOOR 4L WILL NOT DISARM. REF AMM 25-56-01. INSTALLED SAFETY PIN IN DOOR SLIDE. REMOVED SLIDE FOR ACCESS FOR ARMING MECH. LUBE CABLE FOR THOUGHT OF MO
- [SDR CALA2025040203430](https://openairdocs.org/sdr/CALA2025040203430), Mar 26, 2025: GIRT BAR. LACK OF LUBE. DOOR 4L IS STUCK IN THE ARMED POSITION DISARMED DOOR 4L SLIDE. PERFORMED GIRT BAR LUBE IAW MM:12-21-18-643-009. CYCLED DOOR 4L SLIDE FROM ARM TO DISARM POSITION
- [SDR CALA2025031000483](https://openairdocs.org/sdr/CALA2025031000483), Mar 8, 2025: WIRE. DAMAGED. FOR SDR CONTROL ONLY, IN REFERENCE TO NRC 123177 (6100565206) (S EVERAL WIRES WITH CHAFFING EVIDENCE ON RH WING FRONT SPAR CLOSE TO OUTBOARD ZONE OF RH PYLON), 
- [SDR CALA2025031000481](https://openairdocs.org/sdr/CALA2025031000481), Mar 6, 2025: WIRE. DAMAGED. REPLACED 7 DAMAGED WIRE ON R/H WING R/H FRONT SPAR FOR FQIS INDA CATION FOR SDR REPORTING REMOVED ELECTRICAL WIRES W3460-2506R-20, W3460-2506B-20, W3460-0 AND I
- [SDR CALA2025031002654](https://openairdocs.org/sdr/CALA2025031002654), Mar 6, 2025: DOOR FRAME. CRACKED. CRACK ON DOOR FRAME FWD SIDE OF DOOR 119BL-DOT 46-04 ESFR ENTRY REPAIRED ACCESS DOOR 119BL IAW UAL EC/RA#:5330-07477 AND VT MAE EA 757-5330-13-A3801 REV-MAJOR R
- [SDR CALA2025031002651](https://openairdocs.org/sdr/CALA2025031002651), Mar 2, 2025: DOOR FRAME. CRACKED. B757-52-3-0109 - CRACK ON FWD FRAME R2 DOOR UPPER GUIDE ARM CUTO UT. SFR FLAGGED. UPDATE INSPECTION ITEM ESFR ENTRY ALL INSPECTIONS ACCOMPLISHED AT STENGINEERIN
- [SDR CALA2025021100340](https://openairdocs.org/sdr/CALA2025021100340), Feb 4, 2025: SKIN. DENTED. REF L/P 3744746 & AVO 14096 - VISUAL INSP - FOUND STR-19L AT BS 1650 - UPPER RADIUS DEFORMED (DENTED) APPROX 3 " LENGTH, WIDTH = 1.65 X 0.080 DEPTH. A/Y= 20.625
- [SDR CALA2025021100341](https://openairdocs.org/sdr/CALA2025021100341), Feb 2, 2025: SKIN. DAMAGED. MOVE TEAM FOUND DAMAGE BELOW L4 DOOR. DAMAGE FOUND APPROXIMATELY 8.5X6.75 INCHES. UPDATING WITH DAMAGE IS AT APPROX. STA. 1650 LH SIDE BETWEEN S19 & S20. PERFOR
- [SDR CALA2025012702051](https://openairdocs.org/sdr/CALA2025012702051), Jan 25, 2025: TRANSMITTER. FAULTED. TE FLAP ASYM EICAS B FLAP ASYMMETRY TE FLAP ASSYM WHEN SELECTING FLAPS 25. R FLAP WENT TO 25 L WENT FROM 20 TO 17.5 LOG PAGE LOCKED DUE TO GO AROUND FOR INFO ON
- [SDR CALA2025012402027](https://openairdocs.org/sdr/CALA2025012402027), Jan 22, 2025: INDICATION SYS. MALFUNCTIONED. 1R DOOR SLIDE ARM LIGHT WENT OUT IN FLIGHT CYCLED ARM AND DISARM LEVER ON DOOR 1R. ARM LIGHT FUNCTIONS PROPERLY GIRT BAR ENGAGING PROPERLY.
- [SDR CALA2025012402025](https://openairdocs.org/sdr/CALA2025012402025), Jan 21, 2025: INDICATOR. MALFUNCTIONED. DOOR 1R SLIDE LIGHT WILL NOT ARM. DOOR ARM LIGHT AT MAIN ENTRY DOOR 1R IS INTERMITTENT. APPROVED VERIFIED DOOR IS LOCKED. COMPLIED WITH MEL. CLEANED AND RESEATE
- [SDR CALA2025012301998](https://openairdocs.org/sdr/CALA2025012301998), Jan 20, 2025: GIRT BAR. ICED. DOOR 1R HARD TO ARM FOUND ICE ON GIRT, REMOVED ICE AND OP CHECK DOOR ARMING LATCH. OP CHECKS OK.
- [SDR CALA2025012201964](https://openairdocs.org/sdr/CALA2025012201964), Jan 18, 2025: GIRT BAR. FOD. SLIDE ARM LIGHT AT DOOR 1R EXTINGUISHED AFTER DEPARTURE. INTERMI TANT ILLUMINATION FOUND LEFT NEEDLW STICKING AT 1. CYCLED FLAPS SEVERAL TIME NEEDLES REMAINED A
- [SDR CALA2025011301886](https://openairdocs.org/sdr/CALA2025011301886), Jan 9, 2025: PROXIMITY SENSOR. DIRTY. 1R SLIDE LIGHT WILL NOT ILLUMINATE OPENED DOOR 1 RIGHT , CLEANED DEBREES FROM AFT PROX SENSOR AREA, CLOSED AND ARMED DOOR 1 RIGHT. OPS CK GOOD WITH SLIDE ARM LI
- [SDR CALA2025011301883](https://openairdocs.org/sdr/CALA2025011301883), Jan 9, 2025: GIRT BAR. FOD. DOOR 1R SLIDE LIGHT IS NOT ILLUMINATED CLEANED DEBRIS FROM GIRT BAR DOOR 1R OPS CHECKS GOOD OK TO CONTI NUE.
- [SDR CALA2024123001714](https://openairdocs.org/sdr/CALA2024123001714), Dec 26, 2024: CONTACT. DIRTY. 4L DOOR SLIDE ARM LIGHT NOT ILLUMINATING ADJUSTED SLIDE COVER ,CLEANED CONTACTS AND CYCLE CLOSING MECHANISM AS REQ. OPS CHK GOOD.
- [SDR CALA2024121601537](https://openairdocs.org/sdr/CALA2024121601537), Dec 13, 2024: FITTING. FOD. DOOR 4L DOES NOT DISARM AFTER PARKING CLEANED DEBRIS FROM FLOOR FITTINGS & LUBED FLOOR FITTINGS REF AMM25-66-10, & AMM12-21-18-643-009, 4L ARMS & DISARMS NORMAL

All 125: https://openairdocs.org/aircraft/N21108/reports.md

## STCs that may be installed (OpenAirDocs) (724, first 50)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Boeing 757-224)

- [STC ST03438NY](https://openairdocs.org/stc/ST03438NY): Installation of Adams Rite Lavatory Equipment. Delta Engineering Corporation
- [STC ST12461IB](https://openairdocs.org/stc/ST12461IB): Installation of Cockpit Voice Recorder with optional RIPS Upgrade. Mid- Canada Mod Center
- [STC ST00885LA](https://openairdocs.org/stc/ST00885LA): Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON, LLC d/b/a MASS Systems
- [STC ST12442IB](https://openairdocs.org/stc/ST12442IB): Installation of Iridium Certus Satellite System. ALAMO ENGINEERING GmbH
- [STC ST02158SE-D](https://openairdocs.org/stc/ST02158SE-D): Installation of interior reconfiguration. B/E Aerospace, Inc. - FSI
- [STC ST00197IB](https://openairdocs.org/stc/ST00197IB): Installation of the Universal Quick Access Recorder (uQAR). Flight Data Technologies Inc
- [STC ST02215AT-D](https://openairdocs.org/stc/ST02215AT-D): Interior reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST02391AT-D](https://openairdocs.org/stc/ST02391AT-D): Installation of Collins VDL Mode 2 System. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST02623AT-D](https://openairdocs.org/stc/ST02623AT-D): Interior reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03493AT-D](https://openairdocs.org/stc/ST03493AT-D): Interior reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03848AT-D](https://openairdocs.org/stc/ST03848AT-D): Installation of a Legrest and Curtain in a Crew Rest Area. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03937AT](https://openairdocs.org/stc/ST03937AT): Installation of an Interior Reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03951AT](https://openairdocs.org/stc/ST03951AT): Interior Reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03953AT](https://openairdocs.org/stc/ST03953AT): Installation of TIMCO Aerosystems Cabin Interior Reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03989AT](https://openairdocs.org/stc/ST03989AT): Interior Reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST00952LA](https://openairdocs.org/stc/ST00952LA): Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON LLC d/b/a MASS Systems
- [STC ST04328NY](https://openairdocs.org/stc/ST04328NY): The Manufacture and Installation of Exterior Placards, Labels and Signs is to be performed, installed. Libellule Monde Inc
- [STC ST03875NY](https://openairdocs.org/stc/ST03875NY): Installation of interior placards, signs and markings. Libellule Monde Inc
- [STC SA7473SW](https://openairdocs.org/stc/SA7473SW): Installation of tail floodlights. The Boeing Company
- [STC ST03186NY](https://openairdocs.org/stc/ST03186NY): Installation of a Panasonic Global Communication Suite (GCS) Antenna. Delta Engineering Corporation
- [STC SA2622NM](https://openairdocs.org/stc/SA2622NM): Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101). Precise Flight Inc
- [STC ST03187NY](https://openairdocs.org/stc/ST03187NY): Installation of a Panasonic Global Communication Suite (GCS). Delta Engineering Corporation
- [STC ST04635NY](https://openairdocs.org/stc/ST04635NY): Installation of Data Transmission & Automatic Calling. APTOZ EHF
- [STC ST03562AT](https://openairdocs.org/stc/ST03562AT): Modification of Passenger Aircraft to Freighter Configuration. STE Pensacola Aerospace, Inc
- [STC ST03952AT](https://openairdocs.org/stc/ST03952AT): Modification of Passenger Aircraft to Cargo/Passenger (Combi) Configuration. STE Pensacola Aerospace, Inc
- [STC ST12026AT](https://openairdocs.org/stc/ST12026AT): Installation of Portable Emergency Locator Transmitter. Delta Flight Products LLC
- [STC SA5040NM](https://openairdocs.org/stc/SA5040NM): Installation of cargo pallet and net. Satco Inc
- [STC ST02258LA-D](https://openairdocs.org/stc/ST02258LA-D): Installation of Row 44 Wireless Broadband System Activation. Anuvu IFC Corporation
- [STC ST02904CH](https://openairdocs.org/stc/ST02904CH): Installation of Row 44 Wireless Broadband System Provisions. ANUVU OPERATIONS LLC
- [STC ST03450AT](https://openairdocs.org/stc/ST03450AT): Installation of a horse stall system. Gregory Jackson
- [STC ST00892LA](https://openairdocs.org/stc/ST00892LA): Installation of Emergency Vision Assurance System (EVAS). VisionSafe LLC
- [STC ST00030IB](https://openairdocs.org/stc/ST00030IB): Installation of Test Tech ELT. APTOZ EHF
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc
- [STC SA4203NM-D](https://openairdocs.org/stc/SA4203NM-D): Installation of one (1) galley G4A storage unit. Safran Cabin Inc
- [STC SA4210NM-D](https://openairdocs.org/stc/SA4210NM-D): Installation of one class divider. Safran Cabin Inc
- [STC SA4561NM](https://openairdocs.org/stc/SA4561NM): Installation of Driessen Galleys. Safran Cabin Inc
- [STC SA5819NM](https://openairdocs.org/stc/SA5819NM): Installation of closet and class divider. Safran Cabin Inc
- [STC SA6005NM](https://openairdocs.org/stc/SA6005NM): Installation of galleys, stowage unit, doghouses and curtain tracks. Safran Cabin Inc
- [STC ST00247LA](https://openairdocs.org/stc/ST00247LA): Installation of Closet. Safran Cabin Inc
- [STC ST00487LA](https://openairdocs.org/stc/ST00487LA): Installation of stowage bin door kit. Safran Cabin Inc
- [STC ST00657SE](https://openairdocs.org/stc/ST00657SE): Installation of ATIX2 Interior retrofit kit. Safran Cabin Inc
- [STC ST00784SE](https://openairdocs.org/stc/ST00784SE): Installation of ATIX 2 Interior retrofit kit. Safran Cabin Inc
- [STC ST00869SE](https://openairdocs.org/stc/ST00869SE): Modification to overhead stowage bins located in passenger cabin to extend bins inboard. Safran Cabin Inc
- [STC ST00955LA](https://openairdocs.org/stc/ST00955LA): Installation of bin extension assembly. Safran Cabin Inc
- [STC ST01144LA](https://openairdocs.org/stc/ST01144LA): Installation of a L/H closet p/n 501081-1. Safran Cabin Inc
- [STC ST01145LA](https://openairdocs.org/stc/ST01145LA): Installation of a R/H Divider p/n 501082-1. Safran Cabin Inc
- [STC ST01146LA](https://openairdocs.org/stc/ST01146LA): Installation of a Curtain Header p/n 501083-1. Safran Cabin Inc
- [STC ST01151LA](https://openairdocs.org/stc/ST01151LA): Installation of a closet P/N 501084-1. Safran Cabin Inc
- [STC ST01187LA](https://openairdocs.org/stc/ST01187LA): Installation of a G4A Galley. Safran Cabin Inc
- [STC ST01334LA](https://openairdocs.org/stc/ST01334LA): Installation of a reinforced cockpit door. Safran Cabin Inc

All 724: https://openairdocs.org/aircraft/N21108/stcs.md

## Related

- Other Boeing 757-224 aircraft: https://openairdocs.org/model/boeing-757-224/aircraft.md
- The Rolls-Royce RB-211 series engine: https://openairdocs.org/engine/rolls-royce-rb-211-series.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.