# N725AL: 2025 Boeing 737-9

- Status: Valid registration
- Airframe: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (registry code 138470A, 48 seats)
- Engine: [CFM International LEAP-1B28 series](https://openairdocs.org/engine/cfm-international-leap-1b28-series) (registry code 13120)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company), [TCDS E00088EN](https://openairdocs.org/tcds/E00088EN) (CFM International S.A.) (OpenAirDocs)
- Serial number: 67431
- Year built: 2025
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: January 13, 2025
- Certificate issued: January 21, 2025
- Expires: January 31, 2032
- Mode S code: A9B62A
- Registered owner: [Alaska Airlines Inc](https://openairdocs.org/faa-owner/ALASKA%20AIRLINES%20INC)
- Location: [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle)
- Owner type: Corporation
- Owner's area on the map: 47.4466° N, 122.2721° W: Placed by OpenAirDocs at the center of ZIP code 98188, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=725AL
- Page: https://openairdocs.org/aircraft/N725AL

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 LEAP-1B28 model are included.

## ADs that may apply (OpenAirDocs): 48 in force

### Matched by airframe (Boeing 737-9)

- [AD 2026-18-07](https://openairdocs.org/ad/2026-18-07): Fuselage · Boeing 737-8, 737-9 and 737-8200. Effective Oct 22, 2026
- [AD 2026-15-11](https://openairdocs.org/ad/2026-15-11): Fuselage · Boeing 737-8, 737-9 and 737-8200. Effective Sep 10, 2026
- [AD 2026-14-11](https://openairdocs.org/ad/2026-14-11): Air Conditioning · Boeing 737-8, 737-9 and 737-8200. Effective Jul 13, 2026
- [AD 2026-13-17](https://openairdocs.org/ad/2026-13-17): Navigation · Boeing 737-8, 737-9 and 737-8200. 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 2025-02-07](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 2024-23-11](https://openairdocs.org/ad/2024-23-11): Flight controls · Boeing 737-8, 737-9 and 737-8200. Effective Jan 6, 2025
- [AD 2024-19-06](https://openairdocs.org/ad/2024-19-06): Ice/Rain Protection System · Boeing 737-8 and 737-9. Effective Nov 26, 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 2024-06-03](https://openairdocs.org/ad/2024-06-03): Electrical Power · Boeing 737-8 and 737-9. Effective May 22, 2024
- [AD 2024-03-04](https://openairdocs.org/ad/2024-03-04): Flight controls · Boeing 737-8, 737-9 and 737-8200. Effective Feb 12, 2024
- [AD 2024-02-51](https://openairdocs.org/ad/2024-02-51): Doors · Boeing 737-9. Effective Jan 18, 2024
- [AD 2023-15-05](https://openairdocs.org/ad/2023-15-05): Ice and Rain Protection, Powerplant · Boeing 737-8, 737-9 and 737-8200. Effective Aug 25, 2023
- [AD 2023-12-11](https://openairdocs.org/ad/2023-12-11): Navigation · Boeing 737-8, 737-9 and 737-8200. 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 2023-05-06](https://openairdocs.org/ad/2023-05-06): Fuel · Boeing 737-8, 737-9 and 737-8200. Effective May 10, 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 2023-06-10](https://openairdocs.org/ad/2023-06-10): Ice and Rain Protection, Powerplant · Boeing 737-8, 737-8200 and 737-9. Effective Apr 11, 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 2022-06-06](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 2021-19-19](https://openairdocs.org/ad/2021-19-19): Wings · Boeing 737-9. Effective Dec 8, 2021
- [AD 2021-13-18](https://openairdocs.org/ad/2021-13-18): Powerplant · Boeing 737-8, 737-8200 and 737-9. Effective Sep 3, 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 2021-12-13](https://openairdocs.org/ad/2021-12-13): Fuel · Boeing 737-8 and 737-9. Effective Jul 29, 2021
- [AD 2021-10-07](https://openairdocs.org/ad/2021-10-07): Autoflight, Flight controls · Boeing 737-8 and 737-9. Effective Jul 8, 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 2021-09-08](https://openairdocs.org/ad/2021-09-08): Electrical power system · Boeing 737-8 and 737-9. Effective Apr 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 2020-24-02](https://openairdocs.org/ad/2020-24-02): Auto flight, Flight controls, and Indicating/recording systems · Boeing 737-8 and 737-9. Effective Nov 20, 2020
- [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 2020-11-12](https://openairdocs.org/ad/2020-11-12): Nacelles/pylons · Boeing 737-8 and 737-9. Effective Jul 30, 2020
- [AD 2020-14-09](https://openairdocs.org/ad/2020-14-09): Fuel storage · Boeing 737-8 and 737-9. Effective Jul 15, 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 2019-18-03](https://openairdocs.org/ad/2019-18-03): Exhaust · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 5 more. Effective Oct 3, 2019
- [AD 2019-14-12](https://openairdocs.org/ad/2019-14-12): Flight Controls · Boeing 737-8 and 737-9. Effective Aug 30, 2019
- [AD 2019-14-02](https://openairdocs.org/ad/2019-14-02): Hydraulic power · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 11 more. Effective Aug 27, 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

### Matched by engine (CFM International LEAP-1B28 series)

- [AD 2025-14-08](https://openairdocs.org/ad/2025-14-08): Turbine Section · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Aug 25, 2025
- [AD 2025-04-12](https://openairdocs.org/ad/2025-04-12): Turbine Section · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 24 more. Effective Apr 8, 2025
- [AD 2024-25-02](https://openairdocs.org/ad/2024-25-02): Turbine Engine Compressor Section · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Feb 12, 2025
- [AD 2023-07-11](https://openairdocs.org/ad/2023-07-11): Turbine Engine Compressor Section · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Jun 13, 2023
- [AD 2022-17-02](https://openairdocs.org/ad/2022-17-02): Turbine Engine Accessory Drive · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Oct 20, 2022
- [AD 2022-11-02](https://openairdocs.org/ad/2022-11-02): Turbine Engine Compressor Section, Turbine Section · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Jul 8, 2022
- [AD 2021-10-06](https://openairdocs.org/ad/2021-10-06): Engine Controls · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective May 10, 2021
- [AD 2020-06-01](https://openairdocs.org/ad/2020-06-01): Turbine/Turboprop · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Apr 16, 2020
- [AD 2018-20-01](https://openairdocs.org/ad/2018-20-01): Turbine Section · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Dec 17, 2018

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

- [AD 2026-13-05](https://openairdocs.org/ad/2026-13-05) (historical): Air conditioning · Boeing 737-8, 737-9 and 737-8200. Effective Jul 16, 2026
- [AD 2026-04-05](https://openairdocs.org/ad/2026-04-05) (historical): Electrical Power · Boeing 737-8, 737-9 and 737-8200. Effective Feb 24, 2026
- [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 2022-03-20](https://openairdocs.org/ad/2022-03-20) (historical): Navigation · Boeing 737-8, 737-9 and 737-8200. Effective Jan 31, 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 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 2018-23-51](https://openairdocs.org/ad/2018-23-51) (historical): Flight controls · Boeing 737-8 and 737-9. Effective Dec 21, 2018
- [AD 2023-23-12](https://openairdocs.org/ad/2023-23-12) (historical): Turbine Section · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Jan 16, 2024
- [AD 2019-12-01](https://openairdocs.org/ad/2019-12-01) (historical): Turbine Engine Accessory Drive · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Jul 3, 2019
- [AD 2018-25-09](https://openairdocs.org/ad/2018-25-09) (historical): Engine Controls · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Dec 26, 2018

## Information bulletins (advisory) (4 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 NM-20-02](https://openairdocs.org/saib/NM-20-02): Fire Protection. Issued Mar 11, 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

## NTSB investigations

None matched to N725AL.

## NTSB investigations on N725AL not matched to an aircraft (2)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB IAD70II037](https://openairdocs.org/ntsb/IAD70II037), Jan 7, 1970: Boeing 727 (N725AL), Wash Natl Apt, VA, incident, no damage
- [NTSB NYC70A0016](https://openairdocs.org/ntsb/NYC70A0016), Jul 29, 1969: Boeing 727 (N725AL), Jamaica, NY, substantial damage

## FAA accident and incident reports

None matched to N725AL.

## Reports on N725AL not matched to an aircraft (1)

They name N725AL, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19850320012979I](https://openairdocs.org/incident/19850320012979I), Mar 20, 1985: Boeing 737297 (N725AL), Los Angeles, CA. Bomb reported aboard aircraft during approach. Taxied to remote area. Evacuated passengers slides. No bomb found.

## Service difficulty reports (1)

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 ASAA2025102161761](https://openairdocs.org/sdr/ASAA2025102161761), Oct 21, 2025: LENS. DETACHED. FA REPORTS EXIT SIGN BY R1 CAME OFF. GROUNDED - YES. REMOVED AND REPLACED LIGHT LENS AS REQ.

## Service difficulty reports on N725AL not matched to an aircraft (45)

They name N725AL, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR TSAA9733143](https://openairdocs.org/sdr/TSAA9733143), Jun 30, 1997: BATTERY. DISCHARGED. DURING OVERNIGHT CHECK, REPLACED BOTH AFT DOOR SLIDE LIGHT BATTERY DUE TO INOP. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE. (M)
- [SDR TSAA9626096](https://openairdocs.org/sdr/TSAA9626096), Dec 17, 1996: CONNECTOR. DIRTY. FLT NR 71 - OGG-HNL - NR 2 ENGINE FIRE WARNING CAME ON. ACCOMPLISHED ENGINE FIRE PROCEDURES AND SHUTDOWN. LIGHT WENT OUT AFTER 5 SEC. CAME ON AGAIN JUST PRIOR T
- [SDR TSAA9632087](https://openairdocs.org/sdr/TSAA9632087), Nov 8, 1996: TIRE. FAILED. FLT 48 - PIREP NR 4, VIBRATION ON TAKEOFF AND ROTATION. SUSPECT BLOWN TIRE. REMOVED AND REPLACED NR 4 M/W ASSEMBLY, DUE TO BLOWN TIRE, AND M/W ASSEMBLY FOR PREC
- [SDR TSAA9653023](https://openairdocs.org/sdr/TSAA9653023), May 5, 1996: SKIN. CRACKED. DURING DAILY CHECK, DISCOVERED FUSELAGE SKIN CRACK 2.25 INCH IN LENGTH AT BS 727 B PLUS 15 INCHES AND STRINGER 17L. CONFIRMED WITH HFEC. REPAIRED PER SRM 53-30-
- [SDR TSAA9653022](https://openairdocs.org/sdr/TSAA9653022), May 5, 1996: SKIN. CRACKED. DURING DAILY CHECK, DISCOVERED FUSELAGE SKIN CRACK 2.75 INCH IN LENGTH AT BS 727A PLUS 15 INCHES AND STRINGER 16L. CONFIRMED WITH HFEC. REPAIRED PER SRM 53-30-3
- [SDR TSAA9553090](https://openairdocs.org/sdr/TSAA9553090), Jun 5, 1995: BLKHD CHORD. CRACKED. DURING HEAVY MAINTENANCE VISIT, FOUND BS 171 BULKHEAD RT CENTER CHORD CRACKED. REPAIRED PER ECO2518. AIRCRAFT RETURNED TO SERVICE. (M)
- [SDR TSAA9553089](https://openairdocs.org/sdr/TSAA9553089), Jun 3, 1995: STRINGER. CORRODED. DURING HEAVY MAINTENANCE VISIT, NOTED EXFOLIATION ON STRINGER 25R AT BS 970. REPAIRED PER SRM 53-10-3. AIRCRAFT RETURNED TO SERVICE. (M)
- [SDR TSAA9557086](https://openairdocs.org/sdr/TSAA9557086), Jun 2, 1995: SPAR. CORRODED. DURING HEAVY MAINTENACNE VISIT, EXFOLIATION TYPE OF CORROSION NOTED ON RT WING AFT SIDE OF REAR SPAR INBOARD OF WS 557 AS EVIDENT. REPAIRED PER ECO2590. AIRCRAF
- [SDR TSAA9553088](https://openairdocs.org/sdr/TSAA9553088), Jun 2, 1995: STRINGER. CORRODED. DURING HEAVY MAINTENANCE VISIT, CUT STRINGER 22R UPPER FLANGE INBOARD SIDE AT BS 970, FOR ACCESS TO CORROSION. REPAIRED PER ECO2596. AIRCRAFT RETURNED TO SERVIC
- [SDR TSAA9553087](https://openairdocs.org/sdr/TSAA9553087), Jun 2, 1995: FRAME. CRACKED. DURING HEAVY MAINTENANCE VISIT, FOUND CRACKED FRAME AT BS 967 INBOARD OF STRINGER 22R. REPAIRED PER ECO2382R3. AIRCRAFT RETURNED TO SERVICE. (M)
- [SDR TSAA9552085](https://openairdocs.org/sdr/TSAA9552085), Jun 2, 1995: FRAME. CRACKED. DURING HEAVY MAINTENACNE VISIT, FOUND FORWARD CARGO DOOR FORWARD FRAME CRACKED 18 INCHES UP FROM BOTTOM. REPAIRED PER ECO2594. AIRCRAFT RETURNED TO SERVICE. (M)
- [SDR TSAA9552084](https://openairdocs.org/sdr/TSAA9552084), Jun 2, 1995: FRAME. CRACKED. DURING HEAVY MAINTENANCE VISIT, FOUND FORWARD CARGO DOOR FORWARD FRAME CRACKED 8 INCHES FROM BOTTOM. INSTALLED REPAIR KIT NR 65C31427-2 PER FIG 2 DETAIL 1. AIRC
- [SDR TSAA9557115](https://openairdocs.org/sdr/TSAA9557115), Jun 1, 1995: SKIN. CORRODED. DURING HEAVY MAINTENACNE VISIT, NOTED CORROSION TOP OF LEFT WING FORWARD OF OUTBOARD VORTEX GEN. REPAIRED PER ECO1722R5. AIRCRAFT RETURNED TO SERVICE. (M)
- [SDR TSAA9557114](https://openairdocs.org/sdr/TSAA9557114), Jun 1, 1995: SPAR. CORRODED. DURING HEAVY MAINTENANCE VISIT, EXFOLIATION CORROSION NOTED ON RT WING LOWER INNER SPAR SKIN AT WS 462.47. REPAIRED PER ECO 1684R6. AIRCRAFT RETURNED TO SERVICE
- [SDR TSAA9557102](https://openairdocs.org/sdr/TSAA9557102), Jun 1, 1995: CHORD. CORRODED. DURING HEAVY MAINTENANCE VISIT, LEFT WING STATION 453 EXFOLIATION CORROSION NOTED ON THE LOWER HORIZONTAL CHORD, OUTBOARD OF NR 2 SLAT ACTUATOR. REPAIRED PER EC
- [SDR TSAA9557100](https://openairdocs.org/sdr/TSAA9557100), Jun 1, 1995: SPAR. CORRODED. DURING HEAVY MAINTENANCE VISIT, LEFT WING EXFOLIATION CORROSION NOTED AT FRONT SPAR WEB FSS 552 AT NR 1 SLAT ACTUATOR. REPAIRED PER ECO2587. AIRCRAFT RETURNED T
- [SDR TSAA9557096](https://openairdocs.org/sdr/TSAA9557096), Jun 1, 1995: SPAR. CORRODED. DURING HEAVY MAINTENANCE VISIT, LEFT WING EXFOLIATION CORROSION NOTED ON LOWER INTERSPAR SKIN TRAILING EDGE AT WS 464. REPAIRED PER ECO 1684R6. AIRCRAFT RETURNE
- [SDR TSAA9557095](https://openairdocs.org/sdr/TSAA9557095), Jun 1, 1995: SPAR. CORRODED. DURING HEAVY MAINTENANCE VISIT, LEFT WING EXFOLIATION CORROSION NOTED ON LOWER INTERSPAR SKIN TRAILING EDGE AT WS 536. REPAIRED PER ECO1684RT. AIRCRAFT RETURNED
- [SDR TSAA9557094](https://openairdocs.org/sdr/TSAA9557094), Jun 1, 1995: SPAR. CORRODED. DURING HEAVY MAINTENANCE VISIT, LEFT WING EXFOLIATION CORROSION NOTED ON LOWER INTERSPAR SKIN TRAILING EDGE FROM WS 542 TO WS 554. REPAIRED PER ECO1684R6. AIRCR
- [SDR TSAA9557091](https://openairdocs.org/sdr/TSAA9557091), Jun 1, 1995: SPAR WEB. CORRODED. DURING HEAVY MAINTENANCE VISIT, LEFT WING FRONT SPAR WEB EXFOLIATED AT CHORD VERTICAL LEG AT WS 541. REPAIRED PER ECO2587. AIRCRAFT RETURNED TO SERVICE. (M).
- [SDR TSAA9555117](https://openairdocs.org/sdr/TSAA9555117), Jun 1, 1995: SPAR. CORRODED. DURING HEAVY MAINTENANCE VISIT, NOTED CORROSION BULGE TOP OF RT HORIZONTAL STABILIZER AFT SPAR OUTBOARD END. INTERIM REPAIRED PER ECO2591. AIRCRAFT RETURNED TO 
- [SDR TSAA9555116](https://openairdocs.org/sdr/TSAA9555116), Jun 1, 1995: SPAR. CORRODED. DURING HEAVY MAINTENANCE VISIT, NOTED CORROSION IN SEVERAL PLACES RT HORIZONTAL STABILIZER TOP SIDE AFT SPAR INBOARD END. REPAIRED PER ECO1889R1. AIRCRAFT RETUR
- [SDR TSAA9553113](https://openairdocs.org/sdr/TSAA9553113), Jun 1, 1995: FRAME. CRACKED. DURING HEAVY MAINTENANCE VISIT, FOUND CRACKED FRAME AT BS 400 STRINGER 22L, FORWARD CARGO COMPARTMENT. REPAIRED PER SRM 53-10-4. AIRCRAFT RETURNED TO SERVICE. (
- [SDR TSAA9553112](https://openairdocs.org/sdr/TSAA9553112), Jun 1, 1995: FRAME. CRACKED. DURING HEAVY MAINTENANCE VISIT, FOUND CRACKED FRAME AT BS 420 STRINGER 23L, FORWARD CARGO COMPARTMENT. REPAIRED PER SRM 53-10-4. AIRCRAFT RETURNED TO SERVICE. (
- [SDR TSAA9553111](https://openairdocs.org/sdr/TSAA9553111), Jun 1, 1995: FRAME. CRACKED. DURING HEAVY MAINTENANCE VISIT, FOUND CRACKED FRAME AT 440, STRINGER 22L FORWARD CARGO COMPARTMENT. REPAIRED PER SRM 51-10-1. AIRCRAFT RETURNED TO SERVICE. (M)
- [SDR TSAA9553110](https://openairdocs.org/sdr/TSAA9553110), Jun 1, 1995: FRAME. CRACKED. DURING HEAVY MAINTENACNE VISIT, FOUND CRACKED FRAME AT BS 460 STRINGER 23L, FORWARD CARGO COMPARTMENT. REPAIRED PER SRM 53-10-4. AIRCRAFT RETURNED TO SERVICE. (
- [SDR TSAA9553109](https://openairdocs.org/sdr/TSAA9553109), Jun 1, 1995: FRAME. CRACKED. DURING HEAVY MAINTENANCE VISIT, FOUND 4 CRACKS ON FRAME AT BS 480 BETWEEN S-22L AND S-26L. REPAIRED PER SRM 51-10-1. AIRCRAFT RETURNED TO SERVICE. (M)
- [SDR TSAA9553108](https://openairdocs.org/sdr/TSAA9553108), Jun 1, 1995: FRAME. CRACKED. DURING HEAVY MAINTENANCE VISIT, FOUND CRACKS ON FRAME BETWEEN BS 440 AND BS 460 UNDER PLATE AT S-26R, FORWARD CARGO COMPARTMENT. REPAIRED PER SRM 51-40-3. AIRCR
- [SDR TSAA9553107](https://openairdocs.org/sdr/TSAA9553107), Jun 1, 1995: FRAME. CRACKED. DURNG HEAVY MAINTENANCE VISIT, FOUND 2 CRACKS ON FRAME AT BS 500 BETWEEN STRINGER 22L AND STRINGER 23L, FORWARD CARGO COMPARTMENT. REPAIRED PER SRM 51-10-4. AIR
- [SDR TSAA9553105](https://openairdocs.org/sdr/TSAA9553105), Jun 1, 1995: BULKHEAD. CORRODED. DURING HEAVY MAINTENANCE VISIT, FOUND BS 178 BULKHEAD LEFT CENTER CHORD CRACKED. REPAIRED PER ECO2518. AIRCRAFT RETURNED TO SERVICE. (M)
- [SDR TSAA9553104](https://openairdocs.org/sdr/TSAA9553104), Jun 1, 1995: SKIN. CORRODED. DURING MAINTENANCE VISIT, FILIFORM CORROSION NOTED ON THE CIRCUMFERENTIAL SKIN LAP JOINT AT BS 907, STRINGER 20L THROUGH STRINGER 20R. REPAIRED PER SRM 53-30-3 
- [SDR TSAA9553103](https://openairdocs.org/sdr/TSAA9553103), Jun 1, 1995: SKIN. CRACKED. DURING HEAVY MAINTENANCE VISIT, FUSELAGE SKIN CRACK NOTED AT BS 1070 APPROXIMATELY 3.25 INCHES, FORWARD OF THE LEFT HORIZ STABILIZER. REPAIRED PER ECO2011. AIRC
- [SDR TSAA9553101](https://openairdocs.org/sdr/TSAA9553101), Jun 1, 1995: SUPPORT BEAM. CORRODED. DURING HEAVY MAINTENANCE VISIT, FOUND SEAT TRACK SUPPORT BEAM CRACKED AT BS 685-7.0, BBL 0 PLUS 15.0L. REPAIRED PER ECO2299R2. AIRCRAFT RETURNED TO SERVICE. (M)
- [SDR TSAA9553098](https://openairdocs.org/sdr/TSAA9553098), Jun 1, 1995: KEEL BEAM. CORRODED. DURING HEAVY MAINTENANCE VISIT, EXFOLIATION CORROSION NOTED AT 520 LEFT KEEL BEAM. REPAIRED PER ECO2588. AIRCRAFT RETURNED TO SERVICE. (M)
- [SDR TSAA9553097](https://openairdocs.org/sdr/TSAA9553097), Jun 1, 1995: STRINGER. CORRODED. DURING HEAVY MAINTENANCE VISIT, EXFOLIATION CORROSION AT BS 907, STRINGER 27R. REPAIRED EPR ECO2599. AIRCRAFT RETURNED TO SERVICE. (M)
- [SDR TSAA9553093](https://openairdocs.org/sdr/TSAA9553093), Jun 1, 1995: SKIN. CRACKED. DURING HEAVY MAINTENANCE VISIT, FUSELAGE SKIN CRACK NOTED AT BS 947, STRINGER 23L. REPAIRED PER ECO2598. AIRCRAFT RETURNED TO SERVICE. (M)
- [SDR TSAA9552092](https://openairdocs.org/sdr/TSAA9552092), Jun 1, 1995: SKIN. CRACKED. DURING HEAVY MAINTENANCE VISIT, FOUND FORWARD SERVICE DOOR, BOTH UPPER AND LOWER DOOR HINGE CUT OUTS CRACKED. REPAIRED PER ECO 1904 PART II. AIRCRAFT RETURNED T
- [SDR TSAA953099](https://openairdocs.org/sdr/TSAA953099), Jun 1, 1995: STRINGER. CORRODED. DURING HEAVY MAINTENANCE VISIT, FORWARD CARGO COMPARTMENT BS 420 AT STRINGER 27R CORROSION NOTED. REPAIRED PER SRM 53-10-3. AIRCRAFT RETURNED TO SERVICE. (M)
- [SDR TSAA5353106](https://openairdocs.org/sdr/TSAA5353106), Jun 1, 1995: CHORD. CRACKED. DURING HEAVY MAINTENANCE VISIT, FOUND RT SIDE OUTER CHORD CRACKED AT BS 178, FORWARD NOSE COMPARTMENT. REPAIRED PER SRM 53-10-1. AIRCRAFT RETURNED TO SERVICE. (
- [SDR TSAA9557119](https://openairdocs.org/sdr/TSAA9557119), May 30, 1995: SPAR. CORRODED. DURIGN HEAVY MAINTENANCE VISIT, LEFT WING STATION 487.3 EXFOLIATION CORROSION FOUND ON THE LOWER HORIZONTAL CHORD OF FRONT SPAR. REPAIRED PER ECO2135R1. AIRCRAF
- [SDR TSAA9555122](https://openairdocs.org/sdr/TSAA9555122), May 30, 1995: SPAR. CORRODED. DURING HEAVY MAINTENANCE VISIT, DISCOVERED CORROSION ON LEFT HORIZONTAL STABILIZER, TOP FORWARD INBOARD SPAR. REPAIRED PER ECO 1889R2. AIRCRAFT RETURNED TO SERV
- [SDR TSAA9555118](https://openairdocs.org/sdr/TSAA9555118), May 30, 1995: SPAR. CORRODED. DURING HEAVY MAINTENANCE VISIT, CORROSION NOTED AT TOP OF LEFT HORIZONTAL STABILIZER INBOARD END, REAR SPAR. REPAIRED EPR ECO 1889R1. AIRCRAFT RETURNED TO SERVI
- [SDR TSAA9553121](https://openairdocs.org/sdr/TSAA9553121), May 30, 1995: SKIN. CORRODED. DURING HEAVY MAINTENANCE VISIT, FOUND SKIN BULGING AT FORWARD BOTTOM CORNER AT OUTFLOW VALVE. REPAIRED PER ECO 2596. AIRCRAFT RETURNED TO SERVICE. (M)
- [SDR TSAA9553120](https://openairdocs.org/sdr/TSAA9553120), May 30, 1995: SKIN. CORRODED. DURING HEAVY MAINTENANCE VISIT, FOUND CORROSION AROUND STATIC PORT AT AFT BELLY. REPAIRED PER SRM 51-30-2. AIRCRAFT RETURNED TO SERVICE. (M)
- [SDR TSAA9553053](https://openairdocs.org/sdr/TSAA9553053), Mar 22, 1995: SKIN. DAMAGED. FUSELAGE SECTION 41, EXTERIOR SKIN DAMAGED BY GROUND EQUIPMENT CONTACT FROM BS 217 - BS 243, 6 INCHES ABOVE SKIN LAP AT STR 24L. REPAIRED PER ECO 2569. AIRCRAFT

## STCs that may be installed (OpenAirDocs) (105, 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 737-9)

- [STC ST03438NY](https://openairdocs.org/stc/ST03438NY): Installation of Adams Rite Lavatory Equipment. Delta Engineering Corporation
- [STC ST04669CH](https://openairdocs.org/stc/ST04669CH): Installation of Honeywell Advanced Communications and Entertainment System (ACES). Honeywell Aerospace
- [STC ST09941AC](https://openairdocs.org/stc/ST09941AC): Installation of a Gables SATVOICE Annunciator Panel. L2 Aviation
- [STC ST02269NY](https://openairdocs.org/stc/ST02269NY): Installation of Self Illuminating Floor Path Marking System. Lufthansa Technik AG
- [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 ST12443LA](https://openairdocs.org/stc/ST12443LA): Installation of Teledyne Controls Edge Computing Platform (ECP). Teledyne Controls, LLC
- [STC ST04474NY](https://openairdocs.org/stc/ST04474NY): Activation of Wireless Local Area Network (WLAN) system. Jet Aviation AG
- [STC ST04254NY](https://openairdocs.org/stc/ST04254NY): Installation of Viasat Satcom Software. ALOFT AeroArchitects
- [STC ST09927AC](https://openairdocs.org/stc/ST09927AC): Installation of a Gables Audio Management System. L2 Aviation
- [STC ST12005SE](https://openairdocs.org/stc/ST12005SE): Installation of Starlink Aviation System. Space Exploration Technologies Corp./Starlink Aviation
- [STC ST04040CH](https://openairdocs.org/stc/ST04040CH): Activation of Smart Runway and Smart Landing (SRSL) Runway Awareness Advisory System (RAAS) Functions for Honeywell Mark V and Mark V-A Enhanced Ground Proximity Warning Systems (EGPWS). Honeywell International Inc
- [STC ST00555AT](https://openairdocs.org/stc/ST00555AT): Installation of Airshow 210 system. AIRCRAFT RECONFIG TECHNOLOGIES, LLC. Lists 737 Series
- [STC ST04384AT](https://openairdocs.org/stc/ST04384AT): Interior reconfiguration installation. 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 ST03405NY](https://openairdocs.org/stc/ST03405NY): Installation (with demod option) of an Connectivity Antenna. Delta Engineering Corporation
- [STC ST04758NY](https://openairdocs.org/stc/ST04758NY): Installation of single cockpit USB charger. Eirtech Aviation Services Inc
- [STC ST09844DS](https://openairdocs.org/stc/ST09844DS): This project installs a new Next-IS media server and installation provisions to interface with the Starlink IFC system. United Airlines
- [STC ST04052NY](https://openairdocs.org/stc/ST04052NY): ViaSat KA Cabin Distribution System Installation. ALOFT AeroArchitects
- [STC ST02908NY](https://openairdocs.org/stc/ST02908NY): Installation of a Panasonic Avionics Corporation Global Communications Suite (GCS) and/or In-Flight Entertainment (IFE). Delta Engineering Corporation
- [STC ST04051NY](https://openairdocs.org/stc/ST04051NY): ViaSat KA SATCOM Antenna System Installation. ALOFT AeroArchitects
- [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 ST12102IB](https://openairdocs.org/stc/ST12102IB): Installation of a Honeywell Aspire 400 SBB Satcom and/or an AMT-3800 high gain antenna. Jet Aviation AG
- [STC ST12059IB](https://openairdocs.org/stc/ST12059IB): Installation of Seat to Floor Interface - isotropic intercostals for installation of seats and divans. JET AVIATION AG
- [STC ST04243NY](https://openairdocs.org/stc/ST04243NY): Installation of the ALOFT AeroArchitects Auxiliary Fuel System (AFS). ALOFT AeroArchitects
- [STC ST04368AT](https://openairdocs.org/stc/ST04368AT): Installation of a Rockwell Collins CMU-900 ACARS/CPDLC Communication Management Unit P/N 822-1239-151 to provide Data Link communications via existing data link capable VHF Mode 2 (VDLM2), HF and/or SATCOM systems and host the CPDLC application which support EASA Link 2000+ communications. LB Aircraft Engineering Inc
- [STC ST00079IB](https://openairdocs.org/stc/ST00079IB): Integration of Halon-free Portable Fire Extinguisher HAFEX. UMLAUT ENGINEERING GMBH
- [STC ST00215IB](https://openairdocs.org/stc/ST00215IB): Installation of saf-Tglo ECO Photoluminescent Aisle Path Marking Systems. STG AEROSPACE GERMANY GmbH
- [STC ST01936WI](https://openairdocs.org/stc/ST01936WI): Installation of LED lights. AeroLED's Holdings LLC
- [STC ST09830DS](https://openairdocs.org/stc/ST09830DS): AVOD Integration on Boeing B737-9 fleet. United Airlines
- [STC ST04585AT](https://openairdocs.org/stc/ST04585AT): Installation of a Cobham AVIATOR 200S Inmarsat / Swift Broadband Satellite Communications System. Avionics Support Group
- [STC ST04071NY](https://openairdocs.org/stc/ST04071NY): Installation of VisionSafe Emergency Vision Assurance System (EVAS). VisionSafe LLC
- [STC ST03952NY](https://openairdocs.org/stc/ST03952NY): Installation of Controller-Pilot Data-Link communications. 365 Aerospace Ltd Aerospace Logistics Centre
- [STC ST03403NY](https://openairdocs.org/stc/ST03403NY): Installation of a Intelsat Cabin Connectivity (with demod option) system. Delta Engineering Corporation
- [STC ST04493AT](https://openairdocs.org/stc/ST04493AT): Interior Reconfiguration (Carpet Installation). ZIM Aircraft Cabin Solutions LLC
- [STC ST00161IB](https://openairdocs.org/stc/ST00161IB): Installation of a DK180 Underwater Locator Device (ULD) using Dukane mounting bracket. Fokker Services B.V
- [STC ST00158IB](https://openairdocs.org/stc/ST00158IB): Installation of Tablet Cradle, consisting of the installation of 2 arm mounts on the existing sliding windows (both sides, Captain and First Officer). PMV Engineering
- [STC ST04203AT](https://openairdocs.org/stc/ST04203AT): Installation of a Constant Friction Mount , Cradle, and Integrated Power Supply. Avionics Support Group Inc
- [STC ST11386DS](https://openairdocs.org/stc/ST11386DS): Installation of USB Charging Hubs on the Flight Deck. Aircraft Systems and Manufacturing Inc
- [STC ST00792NY](https://openairdocs.org/stc/ST00792NY): Installation of evacuation slide and compartment assemblies. Air Cruisers
- [STC ST00126IB](https://openairdocs.org/stc/ST00126IB): Replacement of Halon agent with alternate Halon-free Portable Fire Extinguisher agent. AMAC Aerospace Switzerland AG
- [STC ST00140IB](https://openairdocs.org/stc/ST00140IB): Installation of Potable Water Pre-Select system. International Water-Guard Industries Inc
- [STC ST04664NY](https://openairdocs.org/stc/ST04664NY): Activation of Wireless Local Area Network (WLAN) system. AMAC Aerospace AG
- [STC ST00121IB](https://openairdocs.org/stc/ST00121IB): Installation of photoluminescent floor path marking with the option to install LED lighting. Cobalt Aerospace Limited
- [STC ST04562NY](https://openairdocs.org/stc/ST04562NY): Installation of saf-Tglo® SuperSeal UltraLite-X (SSUL-X) Photoluminescent Floor Proximity Emergency Escape Path Marking Systems. STG AEROSPACE GERMANY GmbH
- [STC ST00105IB](https://openairdocs.org/stc/ST00105IB): Introduction of Activation of Wireless Charging Systems for Portable Electronic Devices. AMAC AEROSPACE SWITZERLAND AG
- [STC ST04594CH](https://openairdocs.org/stc/ST04594CH): Installation of a Viasat Cellular Data Modem (VCDM). Envoy Aerospace LLC
- [STC ST02747SE](https://openairdocs.org/stc/ST02747SE): Remove existing two (2) Branding Panels from forward monuments and install new two (2) Jamco Branding Panels on Boeing Model 737-9 aircraft. Jamco America, Inc
- [STC SA00787SE](https://openairdocs.org/stc/SA00787SE): Installation of Sliding Carpet Cargo Loading System in the cargo compartment. SBC-America LLC

All 105: https://openairdocs.org/aircraft/N725AL/stcs.md

## Related

- Other Boeing 737-9 aircraft: https://openairdocs.org/model/boeing-737-9/aircraft.md
- The CFM International LEAP-1B28 series engine: https://openairdocs.org/engine/cfm-international-leap-1b28-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.