# N404UA: 1993 Airbus Industrie A320-232

- Status: Valid registration
- Airframe: [Airbus Industrie A320-232](https://openairdocs.org/model/airbus-industrie-a320-232) (registry code 3930326, 200 seats)
- Engine: [IAE V2500SERIES](https://openairdocs.org/engine/iae-v2500series) (registry code 34601)
- Data sheets: [TCDS A28NM](https://openairdocs.org/tcds/A28NM) (Airbus SAS) (OpenAirDocs)
- Serial number: 450
- Year built: 1993
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: January 26, 1994
- Certificate issued: June 28, 2017
- Expires: June 30, 2027
- Mode S code: A4BD40
- 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=404UA
- Page: https://openairdocs.org/aircraft/N404UA

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.

## ADs that may apply (OpenAirDocs): 366 in force

### Matched by airframe (Airbus Industrie A320-232)

- [AD 2026-17-04](https://openairdocs.org/ad/2026-17-04): Landing Gear · Airbus A318-111, A318-112, A318-121 and 46 more. Effective Oct 1, 2026
- [AD 2026-17-01](https://openairdocs.org/ad/2026-17-01): Fuselage · Airbus A320-211, A320-212, A320-214 and 12 more. Effective Oct 1, 2026
- [AD 2026-18-03](https://openairdocs.org/ad/2026-18-03): Wings · Airbus A318-112, A319-115, A319-132 and 14 more. Effective Sep 18, 2026
- [AD 2026-14-04](https://openairdocs.org/ad/2026-14-04): Fuselage · Airbus A319-111, A319-112, A319-113 and 56 more. Effective Aug 14, 2026
- [AD 2026-12-02](https://openairdocs.org/ad/2026-12-02): Fuselage · Airbus A318-111, A318-112, A318-121 and 46 more. Effective Jul 14, 2026
- [AD 2026-10-17](https://openairdocs.org/ad/2026-10-17): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jul 6, 2026
- [AD 2026-10-15](https://openairdocs.org/ad/2026-10-15): Fuselage · Airbus A318-111, A318-112, A318-122 and 35 more. Effective Jul 6, 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 2026-09-17](https://openairdocs.org/ad/2026-09-17): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 45 more. Effective Jun 18, 2026
- [AD 2026-09-16](https://openairdocs.org/ad/2026-09-16): Fuselage · Airbus A319-111, A319-112, A319-113 and 33 more. Effective Jun 18, 2026
- [AD 2026-11-04](https://openairdocs.org/ad/2026-11-04): Stabilizers · Airbus A319-111, A319-112, A319-113 and 40 more. Effective Jun 15, 2026
- [AD 2026-09-03](https://openairdocs.org/ad/2026-09-03): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 45 more. Effective Jun 12, 2026
- [AD 2026-03-10](https://openairdocs.org/ad/2026-03-10): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 45 more. Effective Apr 8, 2026
- [AD 2025-23-09](https://openairdocs.org/ad/2025-23-09): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jan 13, 2026
- [AD 2025-24-51](https://openairdocs.org/ad/2025-24-51): Flight controls · Airbus A319-111, A319-112, A319-113 and 37 more. Effective Jan 6, 2026
- [AD 2025-20-19](https://openairdocs.org/ad/2025-20-19): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jan 2, 2026
- [AD 2025-20-15](https://openairdocs.org/ad/2025-20-15): Fuselage · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jan 2, 2026
- [AD 2025-19-08](https://openairdocs.org/ad/2025-19-08): Wings · Airbus A319-111, A319-113, A319-112 and 17 more. Effective Dec 30, 2025
- [AD 2025-18-03](https://openairdocs.org/ad/2025-18-03): Oxygen · Airbus A318-111, A318-112, A318-121 and 70 more. Effective Oct 20, 2025
- [AD 2025-16-10](https://openairdocs.org/ad/2025-16-10): Flight controls · Airbus A318-111, A318-112, A318-121 and 44 more. Effective Sep 22, 2025
- [AD 2025-16-06](https://openairdocs.org/ad/2025-16-06): Fuselage · Airbus A319-112, A319-132, A320-214 and 4 more. Effective Sep 22, 2025
- [AD 2025-16-04](https://openairdocs.org/ad/2025-16-04): Equipment/furnishings · Airbus A318-111, A318-112, A318-121 and 46 more. Effective Sep 18, 2025
- [AD 2025-17-17](https://openairdocs.org/ad/2025-17-17): Landing Gear · Airbus A318-111, A318-112, A318-121 and 46 more. Effective Sep 17, 2025
- [AD 2025-13-10](https://openairdocs.org/ad/2025-13-10): Wings · Airbus A319-111, A319-112, A319-113 and 36 more. Effective Aug 14, 2025
- [AD 2025-10-07](https://openairdocs.org/ad/2025-10-07): Fuselage · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jun 26, 2025
- [AD 2025-09-05](https://openairdocs.org/ad/2025-09-05): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jun 5, 2025
- [AD 2025-02-04](https://openairdocs.org/ad/2025-02-04): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Mar 17, 2025
- [AD 2025-01-02](https://openairdocs.org/ad/2025-01-02): Fuselage · Airbus A319-111, A319-112, A319-113 and 20 more. Effective Mar 11, 2025
- [AD 2024-26-05](https://openairdocs.org/ad/2024-26-05): Oxygen · Airbus A300 B4-601, A300 B4-603, A300 B4-620 and 87 more. Effective Mar 11, 2025
- [AD 2024-25-12](https://openairdocs.org/ad/2024-25-12): Landing gear · Airbus A319-111, A319-112, A319-113 and 35 more. Effective Mar 7, 2025
- [AD 2025-03-08](https://openairdocs.org/ad/2025-03-08): Flight Controls · Airbus A318-111, A318-112, A318-121 and 70 more. Effective Feb 26, 2025
- [AD 2024-26-04](https://openairdocs.org/ad/2024-26-04): Pneumatic · Airbus A318-111, A318-112, A318-121 and 44 more. Effective Feb 18, 2025
- [AD 2024-24-10](https://openairdocs.org/ad/2024-24-10): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jan 13, 2025
- [AD 2024-24-09](https://openairdocs.org/ad/2024-24-09): Equipment/Furnishings · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jan 13, 2025
- [AD 2024-19-15](https://openairdocs.org/ad/2024-19-15): Oxygen · Safran Aerosystems Oxygen Cylinder, Valve Assembly, Oxygen Valve and 103 more. Effective Nov 26, 2024
- [AD 2024-12-01](https://openairdocs.org/ad/2024-12-01): Wings · Airbus A318-111, A318-112, A318-121 and 25 more. Effective Aug 13, 2024
- [AD 2024-11-01](https://openairdocs.org/ad/2024-11-01): Electrical Power · Airbus A300 B4-2C, A300 B4-103, A300 B4-203 and 94 more. Effective Jul 3, 2024
- [AD 2024-08-08](https://openairdocs.org/ad/2024-08-08): Electrical Power · Airbus A300 B4-2C, A300 B4-103, A300 B4-203 and 94 more. Effective Jun 6, 2024
- [AD 2024-06-07](https://openairdocs.org/ad/2024-06-07): Wings · Airbus A319-115, A320-214, A320-216 and 14 more. Effective May 22, 2024
- [AD 2024-04-04](https://openairdocs.org/ad/2024-04-04): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Apr 22, 2024
- [AD 2023-25-12](https://openairdocs.org/ad/2023-25-12): Doors · Airbus A318-112, A319-115, A319-132 and 16 more. Effective Feb 7, 2024
- [AD 2023-23-11](https://openairdocs.org/ad/2023-23-11): Landing gear · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jan 23, 2024
- [AD 2023-23-08](https://openairdocs.org/ad/2023-23-08): Electric and electronic common installation · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jan 5, 2024
- [AD 2023-20-12](https://openairdocs.org/ad/2023-20-12): Equipment/Furnishings · Airbus A318-111, A318-112, A318-121 and 38 more. Effective Nov 21, 2023
- [AD 2023-18-02](https://openairdocs.org/ad/2023-18-02): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Oct 24, 2023
- [AD 2023-13-03](https://openairdocs.org/ad/2023-13-03): Doors · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Sep 5, 2023
- [AD 2023-13-01](https://openairdocs.org/ad/2023-13-01): Fuel · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jul 12, 2023
- [AD 2023-09-11](https://openairdocs.org/ad/2023-09-11): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jul 10, 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 2023-06-08](https://openairdocs.org/ad/2023-06-08): Fuselage · Airbus A319-111, A319-112, A319-113 and 20 more. Effective May 18, 2023

### Matched by engine (IAE V2500SERIES)

None in force.

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

- [AD 2025-17-07](https://openairdocs.org/ad/2025-17-07) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 44 more. Effective Oct 1, 2025
- [AD 2025-10-12](https://openairdocs.org/ad/2025-10-12) (historical): Fuselage · Airbus A319-111, A319-112, A319-113 and 55 more. Effective Jul 2, 2025
- [AD 2025-03-07](https://openairdocs.org/ad/2025-03-07) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Mar 21, 2025
- [AD 2025-03-06](https://openairdocs.org/ad/2025-03-06) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Mar 21, 2025
- [AD 2024-25-06](https://openairdocs.org/ad/2024-25-06) (historical): Landing Gear · Airbus A318-111, A318-112, A318-121 and 44 more. Effective Dec 30, 2024
- [AD 2024-19-13](https://openairdocs.org/ad/2024-19-13) (historical): Time Limits/Maintenance Checks · Airbus A320-211, A320-212, A320-214 and 43 more. Effective Nov 26, 2024
- [AD 2024-04-07](https://openairdocs.org/ad/2024-04-07) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Apr 22, 2024
- [AD 2024-04-03](https://openairdocs.org/ad/2024-04-03) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Apr 19, 2024
- [AD 2023-25-09](https://openairdocs.org/ad/2023-25-09) (historical): Oxygen · Airbus A318-111, A318-112, A318-121 and 69 more. Effective Feb 7, 2024
- [AD 2023-13-11](https://openairdocs.org/ad/2023-13-11) (historical): Oxygen · AVOX Systems Oxygen valve assemblies (body and gage assemblies), Oxygen cylinder and valve assemblies, A300 B2-1A and 102 more. Effective Sep 5, 2023
- [AD 2023-13-10](https://openairdocs.org/ad/2023-13-10) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Sep 5, 2023
- [AD 2023-09-01](https://openairdocs.org/ad/2023-09-01) (historical): Pneumatic · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jun 26, 2023
- [AD 2023-05-02](https://openairdocs.org/ad/2023-05-02) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Apr 18, 2023
- [AD 2023-04-06](https://openairdocs.org/ad/2023-04-06) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Apr 10, 2023
- [AD 2022-24-05](https://openairdocs.org/ad/2022-24-05) (historical): Equipment/Furnishings · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jan 9, 2023
- [AD 2022-22-10](https://openairdocs.org/ad/2022-22-10) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Dec 30, 2022
- [AD 2022-18-09](https://openairdocs.org/ad/2022-18-09) (historical): Equipment/Furnishings · Airbus A319-111, A319-112, A319-113 and 24 more. Effective Oct 20, 2022
- [AD 2022-15-05](https://openairdocs.org/ad/2022-15-05) (historical): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Aug 31, 2022
- [AD 2022-14-10](https://openairdocs.org/ad/2022-14-10) (historical): Wings · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Aug 19, 2022
- [AD 2022-09-16](https://openairdocs.org/ad/2022-09-16) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Jun 30, 2022
- [AD 2022-08-08](https://openairdocs.org/ad/2022-08-08) (historical): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective May 26, 2022
- [AD 2022-07-08](https://openairdocs.org/ad/2022-07-08) (historical): Time Limits/Maintenance Checks, Flight Controls · Airbus A318-111, A318-112, A318-121 and 43 more. Effective May 19, 2022
- [AD 2022-07-15](https://openairdocs.org/ad/2022-07-15) (historical): Landing gear · Airbus A318-111, A318-112, A318-121 and 43 more. Effective May 2, 2022
- [AD 2022-06-02](https://openairdocs.org/ad/2022-06-02) (historical): Equipment/furnishings · Airbus A318-111, A318-112, A319-111 and 22 more. Effective Apr 26, 2022
- [AD 2022-04-09](https://openairdocs.org/ad/2022-04-09) (historical): Oxygen System · Airbus A300 B2-1A, A300 B2-1C, A300 B2K-3C and 94 more. Effective Apr 4, 2022
- [AD 2022-04-03](https://openairdocs.org/ad/2022-04-03) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Mar 30, 2022
- [AD 2022-02-11](https://openairdocs.org/ad/2022-02-11) (historical): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Mar 15, 2022
- [AD 2021-23-15](https://openairdocs.org/ad/2021-23-15) (historical): Equipment/Furnishings · Airbus A319-111, A319-112, A319-113 and 20 more. Effective Jan 10, 2022
- [AD 2021-25-14](https://openairdocs.org/ad/2021-25-14) (historical): Wings · Airbus A319-111, A319-112, A319-113 and 20 more. Effective Jan 5, 2022
- [AD 2021-22-04](https://openairdocs.org/ad/2021-22-04) (historical): Wings · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Dec 27, 2021
- [AD 2021-20-08](https://openairdocs.org/ad/2021-20-08) (historical): Electrical Power · Airbus A318-111, A318-112, A318-121 and 72 more. Effective Nov 18, 2021
- [AD 2021-16-01](https://openairdocs.org/ad/2021-16-01) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Sep 28, 2021
- [AD 2020-26-01](https://openairdocs.org/ad/2020-26-01) (historical): Landing gear · Airbus A318-111, A318-112, A318-121 and 16 more. Effective Jan 4, 2021
- [AD 2020-25-03](https://openairdocs.org/ad/2020-25-03) (historical): Equipment/furnishings · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Dec 28, 2020
- [AD 2020-22-16](https://openairdocs.org/ad/2020-22-16) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Dec 10, 2020
- [AD 2020-21-11](https://openairdocs.org/ad/2020-21-11) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Nov 20, 2020
- [AD 2020-21-10](https://openairdocs.org/ad/2020-21-10) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Nov 19, 2020
- [AD 2020-20-05](https://openairdocs.org/ad/2020-20-05) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Nov 19, 2020
- [AD 2020-16-01](https://openairdocs.org/ad/2020-16-01) (historical): Fire protection · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Aug 19, 2020
- [AD 2020-06-10](https://openairdocs.org/ad/2020-06-10) (historical): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective May 4, 2020
- [AD 2020-05-16](https://openairdocs.org/ad/2020-05-16) (historical): Wings · Airbus A319-115, A320-214, A320-216 and 11 more. Effective Apr 24, 2020
- [AD 2020-06-18](https://openairdocs.org/ad/2020-06-18) (historical): Flight controls · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Apr 2, 2020
- [AD 2019-26-11](https://openairdocs.org/ad/2019-26-11) (historical): Equipment/ furnishings · Airbus A318-112, A319-115, A319-132 and 11 more. Effective Mar 12, 2020
- [AD 2020-01-17](https://openairdocs.org/ad/2020-01-17) (historical): Equipment/ furnishings · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Feb 14, 2020
- [AD 2019-24-13](https://openairdocs.org/ad/2019-24-13) (historical): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Feb 3, 2020
- [AD 2019-23-01](https://openairdocs.org/ad/2019-23-01) (historical): Time Limits/ Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 37 more. Effective Jan 9, 2020
- [AD 2019-20-10](https://openairdocs.org/ad/2019-20-10) (historical): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Dec 18, 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 2019-19-15](https://openairdocs.org/ad/2019-19-15) (historical): Time Limits/ Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 36 more. Effective Nov 14, 2019
- [AD 2019-18-07](https://openairdocs.org/ad/2019-18-07) (historical): Fuselage · Airbus A319-111, A319-112, A319-113 and 20 more. Effective Oct 31, 2019

All 527: https://openairdocs.org/aircraft/N404UA/ads.md

## Information bulletins (advisory) (6 in force)

- [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-15-02](https://openairdocs.org/saib/NM-15-02): Cabin Equipment/Furnishings. Issued Nov 6, 2014
- [SAIB NM-14-21](https://openairdocs.org/saib/NM-14-21): Communications: Honeywell RTA 44D VHF Transceivers. Issued Jun 3, 2014
- [SAIB NM-13-24](https://openairdocs.org/saib/NM-13-24): Air Conditioning System: Air Distribution Fan. Issued Mar 21, 2013
- [SAIB NM-13-03](https://openairdocs.org/saib/NM-13-03): Hydraulic Power System: Power Transfer Unit. Issued Oct 23, 2012
- [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

## NTSB investigations

None matched to N404UA.

## FAA accident and incident reports

None matched to N404UA.

## Service difficulty reports (116, 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 CALA2023020100300](https://openairdocs.org/sdr/CALA2023020100300), Feb 1, 2023: NONE. NONE. CABIN EMERGENCY LIGHTS OPERATIONAL CHECK: {A3NB-33-3-6012} - TEST FAULTS EPSU BATTERY EMER R. REPLACED BATTERY AT R/H OVERWING EXIT REF AMM TASK 33-51-38-400-00
- [SDR CALA2022010300012](https://openairdocs.org/sdr/CALA2022010300012), Jan 3, 2022: FUEL CAP. MISSING. PDA 2 FUELER REPORTED FUEL CAP MISSING WHEN THEY ARRIVED TO FUEL AIRCRAFT REFER TO LP 7720911 REFERENCE GMM 02-30-95. FURTHER DETAILS WAITED.
- [SDR CALA2021102201952](https://openairdocs.org/sdr/CALA2021102201952), Oct 22, 2021: NONE. FAILED. FLIGHT CREW REPORTED VIA AIRINC L/G DOOR NOT CLOSED FAULT ON ECAM, FLIGHT CREW ATTEMPTED TO RECYCLE GEAR AS CALLED OUT FOR IN QRH FAULT REMAINED. NLG DOOR UPLOC
- [SDR CALA2021071401100](https://openairdocs.org/sdr/CALA2021071401100), Jul 14, 2021: LINE. LEAKING. ECAM CAUTION MESSAGE - B RSVR LO LVL MESSAGE INOP - HYD HYD B SYS LO LVL UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY 
- [SDR CALA2021010700022](https://openairdocs.org/sdr/CALA2021010700022), Jan 7, 2021: SKIN. CORRODED. CORROSION AT LT WING UPPER SKIN AT RIB 2 BETWEEN STR 6 AND STR 9 EXCEEDS ALLOWABLE DAMAGE LIMITS, IAW AIRBUS A320 SRM 57-21-11-283 -013, FIG 001 SHEET 01. ACCOM
- [SDR CALA2021010700021](https://openairdocs.org/sdr/CALA2021010700021), Jan 7, 2021: SKIN. CORRODED. GEN BY: UA QC REQUEST: LT WING, UPPER SKIN SURFACE CORROSION OVERWING EMERGENCY EXIT PATH AREA, APPROXIMATELY AT RIB 2, AREA BETWEEN STRINGER 2 AND 4. REF BY PE
- [SDR CALA2019011800124](https://openairdocs.org/sdr/CALA2019011800124), Jan 18, 2019: POWER SUPPLY. FAULTY. EPSU BATTERY EMER L FAULT ON AAP WHEN EMERGENCY LIGHT OPS CHECK IS COMPLETED. REPLACED LEFT EMER PWR SUPPLY AND BATTERY PER AMM 33-51-38. TEST OK. ROTABLE PARTS
- [SDR CALA2019011800123](https://openairdocs.org/sdr/CALA2019011800123), Jan 18, 2019: POWER SUPPLY. FAULTY. EPSU BATTERY EMER L FAULT ON AAP WHEN EMERGENCY LIGHT OPS CHECK IS COMPLETED. REPLACED LEFT EMER PWR SUPPLY AND BATTERY PER AMM 33-51-38. TEST OK. ROTABLE PARTS
- [SDR CALA2018062901528](https://openairdocs.org/sdr/CALA2018062901528), Jun 16, 2018: FEEDER CABLE. MELTED. NR 2 ENGINE UPPER FWD PYLON ATTACH SHACKLE FEEDER WIRE ARRAY BUNDLE IN CONTACT WITH SHACKLE, MELTED THREE WIRES . REPAIRED IAW ECRA 57620-03014.
- [SDR CALA2018041301159](https://openairdocs.org/sdr/CALA2018041301159), Apr 12, 2018: SLIDE. DISLODGED. WHILE TROUBLESHOOTING THE R1 DOOR, FOUND THE SLIDE LOOSE IN THE BUSTLE . WHEN THE DOOR WAS OPENED, THE SLIDE FELL OUT. INSTALLED A NEW SLIDE IAW 25-62-44-400-80
- [SDR CALA2018011900220](https://openairdocs.org/sdr/CALA2018011900220), Jan 19, 2018: INLET. DAMAGED. SMOKE IN AFT CABIN. ELETRICAL ODOR. APU INJESTED PHENOLIC PIECE OF INLET DIVERTER DUCT CAUSING SMOKE AND ODOR IN CABIN. BORESCOPE COMPLETED WITHOUT SIGNS OF DAM
- [SDR CALA2017122804629](https://openairdocs.org/sdr/CALA2017122804629), Dec 28, 2017: BRAKE SYS. UNKNOWN. CREW REPORTS THAT BRAKES MALFUNCTIONED ON LANDING. UNUSUAL PEDAL TRAVEL. CREW REPORTS "INTERMITTENT BRAKE LOSS BELOW 27 KNOTS. OPS CHECKED BRAKES NUMEROUS TIMES
- [SDR CALA2017122804628](https://openairdocs.org/sdr/CALA2017122804628), Dec 28, 2017: ADIRU. MALFUNCTIONED. NAV IR 1 2 3 FAULT ECAM WARNING. EMERGENCY DECLARED. REMOVED AND REPLACED THE NR 1 ADIRU , OPS CHECKED GOOD IAW AMM 34-13-00, AND LAND TEST AFS PASSED. ACFT STA
- [SDR CALA2017122004543](https://openairdocs.org/sdr/CALA2017122004543), Dec 20, 2017: ACTUATOR. FAULTY. F/CTL SLATS FAULT ECAM. EMERGENCY DECLARED. REPLACED NR 2 SLAT OTBD ACT REF AMM 27-84-49-000-001-A AND AMM 27-84-49-400-001-A.
- [SDR CALA2017071402187](https://openairdocs.org/sdr/CALA2017071402187), Jul 14, 2017: O-RING. LEAKING. GREEN SYSTEM LO PRESSECAM. NO FLUID IN RESERVOIR. EMERGENCY DECLARED. FOUND O-RING LEAK ON LEFT SLAT PCU VALVE BLOCK 25CV IPC 27-84-53 ITEM 60 . REPLACE O RING 
- [SDR CALA2017061801883](https://openairdocs.org/sdr/CALA2017061801883), Jun 18, 2017: BATTERY. DISCHARGED. EMERGENCY LIGHTS TEST FAILED. EPSU AFT LEFT. REPLACED AFT LEFT EMERGENCY LIGHTS BATTERY PER MM 33-51-38. OPS CK GOOD.
- [SDR CALA2016112395989](https://openairdocs.org/sdr/CALA2016112395989), Nov 20, 2016: SHEAR TIE. BENT. FRAME 73 SHEAR TIE BETWEEN STRINGERS 31-32R & 32-34R BENT. REPLACED IAW ECRA 5310-07001.
- [SDR CALA2016112395988](https://openairdocs.org/sdr/CALA2016112395988), Nov 20, 2016: FRAME. DAMAGED. FRAME 74 LOWER SECTION BENT & BUCKLED. REMOVED AND REPLACED FRAME IAW SRM 51-71-11 AND ECRA 5310-07001.
- [SDR CALA2016111695980](https://openairdocs.org/sdr/CALA2016111695980), Nov 12, 2016: FITTING. GOUGED. RT WING MLG RETRACT JACK FTG LWR FLANGE 5TH HOLE FROM IB HAS GOUGE. INTERIM REPAIR ACP IAW EC RA 5720-02838 PART1.
- [SDR CALA2016111695979](https://openairdocs.org/sdr/CALA2016111695979), Nov 12, 2016: FITTING. GOUGED. RT MLG RETRACTION JACK ANCHORAGE FITTING CORRODED. INTERIM RPR ACP IAW ECRA 5720-02838 PART1.
- [SDR CALA2016111695978](https://openairdocs.org/sdr/CALA2016111695978), Nov 12, 2016: CLEAT. BENT. FR73 CLEAT BETWEEN STRINGER 32L-34L IS BENT. REPLACED CLEAT AT FR73 BETWEEN STRINGER 32L-34L IAW SRM 51-42-11.
- [SDR CALA2016110295890](https://openairdocs.org/sdr/CALA2016110295890), Nov 1, 2016: SKIN. DAMAGED. LT RUDDER HAS MULTIPLE LIGHTNING STRIKES LOCATED APPROX 79" UP FROM BOTTOM AND 12.5" FWD OF TRAILING EDGE. PERMANENT REPAIR ACP IAW ECRA 5540-01464.
- [SDR CALA2016102495842](https://openairdocs.org/sdr/CALA2016102495842), Oct 22, 2016: FRAME. CORRODED. FRAME 68 ABOVE STR 23R CORRODED. CUT OUT DAMAGED AREA AND FABRICATED A REPAIR FITTING IAW SRM 53-41-12 FIG 202 AND INSTALLED IAW SRM 53-41-12 FIG 202 PARA 5-B A
- [SDR CALA2016101995832](https://openairdocs.org/sdr/CALA2016101995832), Oct 17, 2016: STRINGER. CORRODED. AFT CARGO STR 43LT CORRODED BETWEEN FR 54 - 55. STRINGER 43LT BETWEEN FR 54-55 REPAIRED IAW SRM 53-00-13 PARA 4 A (3) FIG 102.
- [SDR CALA2016101795811](https://openairdocs.org/sdr/CALA2016101795811), Oct 13, 2016: DOOR SILL. CORRODED. AFT CARGO PIT INNER DOOR SILL WEB HAS AREAS OF CORROSION FR52-FR56. REMOVED AND REPLACED AFT CARGO DOOR SILL WEB FR52-FR56 IAW SRM 51-72-11.
- [SDR CALA2016101395804](https://openairdocs.org/sdr/CALA2016101395804), Oct 10, 2016: STRINGER. CORRODED. FWD PIT FR 28-FR 33 STRINGER 40 RT HAS CORROSION. REMOVED & REPLACED STRINGER AND SPLICE PLATES IAW SRM 51-42-11.
- [SDR CALA2016101395803](https://openairdocs.org/sdr/CALA2016101395803), Oct 10, 2016: STRINGER. CORRODED. AFT PIT STRINGER 42L BETWEEN FR 58-59 HAS CORROSION. REMOVED & REPLACED STRINGER AND FACTORY SPLICE PLATES IAW SRM 51-42-11.
- [SDR CALA2016101395798](https://openairdocs.org/sdr/CALA2016101395798), Oct 8, 2016: SKIN. DENTED. FUSE EXTERIOR HAS DENT AT LT SIDE FR 30-31 STR 38. FOUND DENT TO BE OUT OF LIMITS, CUTOUT OUT DAMAGE AREA AND FAB REPAIR DOUBLER FORM 2024-T3-.063 SKIN THICKNES
- [SDR CALA2016092995783](https://openairdocs.org/sdr/CALA2016092995783), Sep 27, 2016: STRINGER. CORRODED. CORROSION ON STRINGER 23L. AFT ENTRY DOOR SILL FRAME 67. REMOVED AND REPLACED DOOR SILL IAW A320 51-22-11
- [SDR CALA2015102894727](https://openairdocs.org/sdr/CALA2015102894727), Oct 25, 2015: CONTROL UNIT. MALFUNCTIONED. LOSS OF NOSE WHEEL STEERING ON LANDING, REQUIRED TOW INTO GATE. EMER DECLARED ON DESCENT. REPLACED STEERING CONTROL UNIT.
- [SDR CALA2015020293050](https://openairdocs.org/sdr/CALA2015020293050), Jan 31, 2015: SKIN. SATURATED. RIGHT ELEVATOR UPPER SKIN HAD 2 WATER FINDINGS FROM THERMOGRAPHY INSPECTION. 102.5 INCHES FROM INBD END & 4 INCHES FROM TE. 74 INCHES FROM INBD END & 4.5 INCHES
- [SDR CALA2014061791299](https://openairdocs.org/sdr/CALA2014061791299), Jun 17, 2014: WARNING SYSTEM. FALSE ACTIVATION. NW STEER FAULT DISPLAYED ON UPPER ECAM SCREEN. CYCLED NOSE STEERING SWITCH ON FWD INSTRUMENT PANEL. ACCOMPLISHED BITE OF BSCU 1 & 2 TEST PASSED NO FAULTS DISPLA
- [SDR CALA2014010290007](https://openairdocs.org/sdr/CALA2014010290007), Dec 31, 2013: BUSHING. WORN. DOOR 1L DIFFICULT TO OPEN & CLOSE. REPLACED UPPER DOOR HINGE ASSEMBLY WITH BUSHING. SEE PTT SEQ 1132021, ACCOMPLISHED IAW AMM 52-11-11-400-001-A.
- [SDR CALA2013121893776](https://openairdocs.org/sdr/CALA2013121893776), Dec 17, 2013: CONTROL PANEL. FAULTY. COCKPIT AUDIO CONTROL PANEL 1 INOPERATIVE, CONSTANT HOT MIC. REPLACED CAPTAIN`S ACP, OPERATIONS CHECKED GOOD.
- [SDR CALA2013102992458](https://openairdocs.org/sdr/CALA2013102992458), Oct 27, 2013: SLEEVE. LOOSE. NR 1 ENG OTBD REVERSER SLEEVE INNER LINING 3 FOOT BY 4 FOOT SECTION OF WIRE MESH LINING LOOSE. IAW ECRA 7830-02698 SLEEVE MUST BE REPLACED WITHIN 25 HOURS OR BY
- [SDR CALA2013102192230](https://openairdocs.org/sdr/CALA2013102192230), Oct 20, 2013: WARNING SYSTEM. ACTIVATED. PFR SHOWS "FLP LT PROX SNSR 2 39CV OR LGCIU 2" PREVIOUSLY BOTH PARTS ARE REPLACED.
- [SDR CALA2013072990017](https://openairdocs.org/sdr/CALA2013072990017), Jul 28, 2013: SENSOR. FAULTY. ENG 1 SENSOR FAULT.
- [SDR CALA2013090490970](https://openairdocs.org/sdr/CALA2013090490970), Jul 4, 2013: ENGINE. BIRD INGESTION. DUE TO FAN BLADE DAMAGE ON NR 2 ENGINE CAUSED BY BIRD STRIKE. ACCOMPLISHED INSPECTION OF THE FAN BLADES PER AMM TASK 72-31-11-200-010-B 13. FOUND ONE BLADE WITH
- [SDR UALA2013070104547](https://openairdocs.org/sdr/UALA2013070104547), Jun 28, 2013: POWER SUPPLY. FAULTY. DURING EMERGENCY LIGHT TEST, EPSU INT LOAD EMERGENCY LIGHT FAILURE MESSAGE. REPLACED LT CABIN EMERGENCY EXIT POWER SUPPLY IAW MM, TESTS OK.
- [SDR UALA2013060603948](https://openairdocs.org/sdr/UALA2013060603948), Jun 6, 2013: BATTERY. FAILED. EMERGENCY LIGHT TEST FAILED ON 2 SVC. REPLACED BATTERY IAW MM 33-51-38.
- [SDR UALA2013052303593](https://openairdocs.org/sdr/UALA2013052303593), May 22, 2013: BOOT. TORN. COPILOTS SIDE STICK BOOT TORN AFT INBD CORNER. SMALL TEAR INBD AFT SIDE OF JOY STICK. REPLACED COPILOTS JOYSTICK BOOT.
- [SDR UALA2013051303314](https://openairdocs.org/sdr/UALA2013051303314), May 11, 2013: SEAL. MISSING. PILOTS REPORTED SOMETHING FLAPPING UNDER THE RT SIDE OTBD SPOILER. REMOVED DAMAGED PART OF SEAL. OTBD RT FLAP TRACK FAIRING INBD BLADE SEAL PARTIALLY MISSING. R
- [SDR UALA2013050803223](https://openairdocs.org/sdr/UALA2013050803223), May 7, 2013: SCREW. LOOSE. LOOSE SCREW ON INBD LEADING EDGE JUST BELOW SLATS. TIGHTENED LOOSE SCREW.
- [SDR UALA2013050203079](https://openairdocs.org/sdr/UALA2013050203079), May 1, 2013: POWER SUPPLY. NO TEST. EMERGENCY LIGHT TEST FAILED. MESSAGE 'EPSU INT LOAD FWD L'. REPLACED FWD EPSU & BATTERY, OPS CHECKED GOOD PER AMM.
- [SDR UALA2013042202769](https://openairdocs.org/sdr/UALA2013042202769), Apr 20, 2013: UNKNOWN. LEAKING. CREW REPORT: F/A REPORTS AFT GALLEY CARPET SOAKED WITH WATER. POSSIBLY FROM FWD AFT LAV FOUND WATER LINE GOING TO FLUSH VALVE CRACKED AND LEAKING. INOP WATER TO
- [SDR UALA2012110506357](https://openairdocs.org/sdr/UALA2012110506357), Nov 2, 2012: HYDRAULIC LINE. LEAKING. ECAM CAUTION MESSAGE - G RSVR LO LVL MESSAGE INOP - HYD. CREW COMMENTS: HYD G RSVR LO LVL ECAM ON TAXI OUT WHILE IN RUN UP AREA GND CREW NOTED PUDDLE HYD FLUID.
- [SDR UALA2012072303995](https://openairdocs.org/sdr/UALA2012072303995), Jul 23, 2012: COMPUTER. MALFUNCTIONED. AILERON SERVO FAULT DISPLAYED ON UPPER ECAM SCREEN. F-CTL CREW COMMENTS: F-CTL AIL SERVO FAULT SAMC TEXT: CFDS FAULTING ELAC2. IF DF WILL NEED TO SWAP WITH ELAC
- [SDR UALA2012052903018](https://openairdocs.org/sdr/UALA2012052903018), May 28, 2012: O-RING. LEAKING. LOST BLUE HYDRAULIC QTY, WENT TO ZERO. FLIGHT RETURNED. FOUND HYDRAULIC FITTING ON INBD SIDE OF BLUE HYD PUMP LEAKING. REPLACED O-RING AND RESECURED LINE. PRESS
- [SDR UALA2012040902191](https://openairdocs.org/sdr/UALA2012040902191), Apr 8, 2012: SCAVENGE PUMP. FAILED. TOWER REPORTED SMOKE FROM NR 2 ENGINE. ACCOMPLISHED BOROSCOPE OF OIL FEED LINES PER MT72-022 NO COKING NOTED. ACCOMPLISHED INSPECTION OF NR 5 BEARING COMPARTMEN
- [SDR UALA2012032601916](https://openairdocs.org/sdr/UALA2012032601916), Mar 24, 2012: ENGINE. STALLED. NR 1 ENG STALL ECAM. ACCOMPLISHED FUNCTIONAL CHECKS OF THE HPC 7TH STAGE A, B & C SOLENOID VALVES PER AMM, HPC 7TH STAGE BLEED VALVES PER AMM. HPC 10TH STAGE SO

All 116: https://openairdocs.org/aircraft/N404UA/reports.md

## STCs that may be installed (OpenAirDocs) (304, 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 (Airbus Industrie A320-232)

- [STC ST03438NY](https://openairdocs.org/stc/ST03438NY): Installation of Adams Rite Lavatory Equipment. Delta Engineering Corporation
- [STC ST12434AC](https://openairdocs.org/stc/ST12434AC): Replacement of the wing fuel tank access panel gasket. Aviation Devices & Electronic Components, LLC
- [STC ST02714CH](https://openairdocs.org/stc/ST02714CH): Modify the aircraft interior to match standard passenger configurations. Atin OOH LLC
- [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 ST04493NY](https://openairdocs.org/stc/ST04493NY): Conversion of Passenger to Freighter configuration by installing a large Main Deck Cargo Door and Frame Shell Structure, Class "E" Cargo Compartment, Crew Entry Door and Surround Structure, Rigid Cargo Barrier, Floor reinforcements, and other associated modifications. ELBE Flugzeugwerke GmbH
- [STC ST02228SE](https://openairdocs.org/stc/ST02228SE): Installation of Bin NuLook. Safran Cabin, Inc
- [STC ST04474NY](https://openairdocs.org/stc/ST04474NY): Activation of Wireless Local Area Network (WLAN) system. Jet Aviation AG
- [STC ST09829DS](https://openairdocs.org/stc/ST09829DS): Cabin interiors reconfiguration on Airbus A320 fleet. United Airlines
- [STC ST11269DS](https://openairdocs.org/stc/ST11269DS): Installation of cross aisle curtains, a Pre-Recorded Announcement Machine (PRAM) with associated wiring, forward windscreens, first class and main cabin seats with associated wiring, a hanging soft divider, a mid-cabin closet, a window plug, a sidewall literature pocket. American Airlines, Inc., Maintenance and Engineering (M&E) Division
- [STC ST04254NY](https://openairdocs.org/stc/ST04254NY): Installation of Viasat Satcom Software. ALOFT AeroArchitects
- [STC ST02159SE-D](https://openairdocs.org/stc/ST02159SE-D): Installation of an 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 ST03416NY](https://openairdocs.org/stc/ST03416NY): Installation of Intelsat Connectivity Antenna (with demod option). Delta Engineering Corporation
- [STC ST02913NY](https://openairdocs.org/stc/ST02913NY): Installation of a Panasonic Avionics Corporation Global Communications Suite (GCS) and/or In-Flight Entertainment System. Delta Engineering Corporation
- [STC ST04209AT](https://openairdocs.org/stc/ST04209AT): Installation of a passenger interior configuration. Aero Design Services, Inc
- [STC ST04170AT](https://openairdocs.org/stc/ST04170AT): Installation / Activation of an IFE System. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04370AT](https://openairdocs.org/stc/ST04370AT): Cabin Interior Reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04386AT](https://openairdocs.org/stc/ST04386AT): Description of Type Design Change: Interior Reconfiguration in an Airbus A320 Series Aircraft. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04387AT](https://openairdocs.org/stc/ST04387AT): Class Divider Installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST12107NY](https://openairdocs.org/stc/ST12107NY): Update of Cabin Interior. Delta Engineering Corporation
- [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 ST03741NY](https://openairdocs.org/stc/ST03741NY): Viasat KA SATCOM Antenna System Installation, approve configurations. ALOFT AeroArchitects
- [STC ST03875NY](https://openairdocs.org/stc/ST03875NY): Installation of interior placards, signs and markings. Libellule Monde Inc
- [STC ST03742NY](https://openairdocs.org/stc/ST03742NY): Viasat KA Cabin Distribution System Installation. ALOFT AeroArchitects
- [STC ST02890NY](https://openairdocs.org/stc/ST02890NY): Installation of a Panasonic Avionics Corporation Global Communications Suite Antenna. Delta Engineering Corporation
- [STC ST04759NY](https://openairdocs.org/stc/ST04759NY): Installation of a single cockpit USB charger. Eirtech Aviation Services Inc
- [STC ST02356LA](https://openairdocs.org/stc/ST02356LA): Installation of Inflight Warning Systems Fan Vibration Monitor Unit. Astronics Advanced Electronic Systems (AES)
- [STC ST02699LA](https://openairdocs.org/stc/ST02699LA): Installation of Vogt Aero Nickel Cadmium Battery P/N 2758-LMVA or 2758-RMVA. Vogt Aero LLC
- [STC ST03189CH](https://openairdocs.org/stc/ST03189CH): Installation of an advertisement container on the bottom of a seat back tray table. Atin OOH LLC
- [STC ST01739NY](https://openairdocs.org/stc/ST01739NY): Electromagnetic Compatibility Testing of Aircraft Transmitting Portable Electronic Devices (T-PEDs) as non-interference tolerance testing. Anuvu IFC Corporation
- [STC ST04462CH](https://openairdocs.org/stc/ST04462CH): Installation of Row 44 Broadband Antenna System Provisions. Anuvu IFC Corporation
- [STC ST12229IB](https://openairdocs.org/stc/ST12229IB): Installation of Thinkom antenna on the top rear fuselage. EAD Aerospace Airworthiness T/A Eclipse Technics
- [STC ST04288CH](https://openairdocs.org/stc/ST04288CH): Installation of an Automatic Dependent Surveillance Broadcast Out (ADS-B Out) Transponder System with Honeywell Integrated Multi-Mode Receiver (IMMR), Model Number IMMR 20.1 installed with TSO-C190 compliant GPS antenna. Amphenol Cable and Interconnect Technologies Inc
- [STC ST00892LA](https://openairdocs.org/stc/ST00892LA): Installation of Emergency Vision Assurance System (EVAS). VisionSafe LLC
- [STC ST04292CH](https://openairdocs.org/stc/ST04292CH): Installation of JADE SATCOM Antenna System Provisions. Amphenol Cable and Interconnect Technologies Inc
- [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 SA5880NM](https://openairdocs.org/stc/SA5880NM): Installation of video/cart stowage unit. Safran Cabin Inc
- [STC ST01818LA](https://openairdocs.org/stc/ST01818LA): Installation of Forward RH Stowage. Safran Cabin Inc
- [STC ST01995LA-D](https://openairdocs.org/stc/ST01995LA-D): Installation of Galley Modifications. Safran Cabin Inc
- [STC ST02735LA](https://openairdocs.org/stc/ST02735LA): Installation of modular lower deck Cargo Loading System (CLS). Telair International
- [STC ST03417NY](https://openairdocs.org/stc/ST03417NY): Installation with demod option of Intelsat Cabin Connectivity System. Delta Engineering Corporation
- [STC ST04089NY](https://openairdocs.org/stc/ST04089NY): Installation of Cabin Seating. Delta Engineering Corporation
- [STC ST04003CH](https://openairdocs.org/stc/ST04003CH): Installation of a Kontron Stored Content Wireless In-Flight Entertainment (IFE) System. Amphenol Cable and Interconnect Technologies Inc
- [STC ST02472AT](https://openairdocs.org/stc/ST02472AT): Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII. Aircraft Systems and Manufacturing Inc
- [STC ST02801LA](https://openairdocs.org/stc/ST02801LA): Installation of ELT Kannad 406 AF and associated equipment. Allegiant Air LLC
- [STC ST03450CH](https://openairdocs.org/stc/ST03450CH): Certification of Radio Frequency Compatibility with Wireless Data Technologies. Amphenol Cable and Interconnect Technologies Inc
- [STC ST00950CH](https://openairdocs.org/stc/ST00950CH): Installation of an AlliedSignal CAS-81A TCAS II system. Amphenol Cable and Interconnect Technologies Inc

All 304: https://openairdocs.org/aircraft/N404UA/stcs.md

## Earlier aircraft with N404UA

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N404UA before.

- [Cancelled 1989-03-09](https://openairdocs.org/deregistered/N404UA-1989-03-09): Airbus Industrie A300 B4-2C, S/N 065. Exported to Thailand

## Related

- Other Airbus Industrie A320-232 aircraft: https://openairdocs.org/model/airbus-industrie-a320-232/aircraft.md
- The IAE V2500SERIES engine: https://openairdocs.org/engine/iae-v2500series.md

---
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