# N491UA: 2002 Airbus A320-232

- Status: Valid registration
- Airframe: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (registry code 3940004, 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: 1741
- Year built: 2002
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: July 17, 2002
- Certificate issued: April 1, 2013
- Expires: April 30, 2029
- Mode S code: A61592
- 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=491UA
- Page: https://openairdocs.org/aircraft/N491UA

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 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/N491UA/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 N491UA.

## FAA accident and incident reports

None matched to N491UA.

## Service difficulty reports (100, 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 CALA2025120511782](https://openairdocs.org/sdr/CALA2025120511782), Dec 3, 2025: CHILLER. ODOR. FWD CHILLER HAD AN ODOR OF MELTED PLASTIC. FA TURNED OFF. DEFERRED PER MEL, PULLED AND COLLARED CB, INSTALLED INOP STICKER ADJ TO CB. REMOVED AND REPLACED THE F
- [SDR CALA2025102410496](https://openairdocs.org/sdr/CALA2025102410496), Oct 23, 2025: FUEL CAP. MISSING. MISSING FUEL CAP IN REF LOG PAGE 6722035. INSTALLED FUEL CAP REF 28-25-41.
- [SDR CALA2025052104884](https://openairdocs.org/sdr/CALA2025052104884), May 19, 2025: PANEL. LOOSE. CLBING THRU 12K ECAM AFT RIGHT EMER EXIT DOOR WARNING AT 2.2PSID PRESS WAS NORMAL AND FND PNL LOOSE. RE-INSTALLED THE PNL AND PFM OPS CHK IAW AMM 52-21-00-710-0
- [SDR CALA2025030302545](https://openairdocs.org/sdr/CALA2025030302545), Feb 27, 2025: SLIDE. FAULTED. AFT DOOR ESCAPE SLIDE PACK ASSEMBLY INSTALL {A3NB-25-3-0021} - REMOVE AND INSTALL R2 DOOR SLIDE AND RECORD.ROTABLE PARTS DATA REPLACED R2 DOOR ESCAPE SLIDE AS P
- [SDR CALA2025010601820](https://openairdocs.org/sdr/CALA2025010601820), Jan 3, 2025: BATTERY. NO TEST. RIGHT HAND OFF-WING ESCAPE SLIDE INSTALL {A3NB-25-3-6280} - DURING OPS CHECK OF EMERGENCY LIGHT CIDS DISPLAYED EPSU INT LOAD EMER L MSG. UPDATING ROTABLE PARTS 
- [SDR CALA2024061001758](https://openairdocs.org/sdr/CALA2024061001758), Jun 3, 2024: FUEL CAP. MISSING. PDA 2 FUEL CAP MISSING ON AIRCRAFT UPON ARRIVAL CONFIRMED WITH CMH STATION THAT FUELER INSTALLED CAP PRIOR TO DEPARTURE. WILL REPORT TO ENGINEERING
- [SDR CALA2024030500636](https://openairdocs.org/sdr/CALA2024030500636), Mar 4, 2024: SKIN. GOUGED. R/H WING L/E AT #1 SLAT ABOVE #3 TRACK SKIN IS GOUGED APPROX. 1. 5 INCH LONG. REMOVED AND REPLACED SKIN AT RH WING #1 SLAT ABOVE #3 TRACK A320 SRM 51-72-11.
- [SDR CALA2023120603570](https://openairdocs.org/sdr/CALA2023120603570), Dec 2, 2023: SWITCH. OUT OF POSITION. FA REPORTS THAT OVERHEAD EMERGENCY EXIT SIGNS OVER DOORS 1L AND 1R ARE ILLUMINATED. ACP TEST OF SYSTEM PER AMM 33-51-00. FOUND COCKPIT NO SMOKING SWITCH OUT OF 
- [SDR CALA2022121603392](https://openairdocs.org/sdr/CALA2022121603392), Dec 13, 2022: BULB. MISSING. PDA 2 LH RETRACTABLE LANDING LIGHT BULB IS MISSING, RPLD LH RET LANDING LIGHT ASSY OPS CK NORMAL TASK33-42-11-400-003-A
- [SDR CALA2022042101030](https://openairdocs.org/sdr/CALA2022042101030), Apr 19, 2022: PLATE. CORRODED. LEFT AFT SHEAR PLATE AT FR 68 HAS CORROSION-A3NB-53-3-6222 GENER ATED BY V061334 AT HAECO LCQ PER NR 9298367 (30367) REMOVED AND REPLACED LEFT AFT SHEAR PLATE A
- [SDR CALA2022040600880](https://openairdocs.org/sdr/CALA2022040600880), Apr 4, 2022: NONE. CORRODED. R2 DOOR SILL HAS NUMEROUS AREAS OF CORROSION A3NB-53-3-5222 PER HAECO LCQ NON ROUTINE 9298371/30371 GENERATED BY V061334 REMOVED AND REPLACED R2 DOOR SILL PART 
- [SDR CALA2022040600883](https://openairdocs.org/sdr/CALA2022040600883), Apr 4, 2022: STOP FITTING. CRACKED. RH AFT DOOR FR68 STOP FITTING #1 LWR I/B HOLE CRACK AT FRAME LAY ER 6 O''CLOCK POS. AD RELATED TASK EA 5343-01724 001 PER HAECO LC Q NON ROUTINE 9298354/30354 G
- [SDR CALA2022040600882](https://openairdocs.org/sdr/CALA2022040600882), Apr 4, 2022: FITTING. CRACKED. LH AFT DOOR FR68 STOP FITTING #1 LWR I/B HOLE CRACK AT FRAME LAY ER 6 O''CLOCK POS. AD RELATED TASK EA 5343-01724 001 PER HAECO LC Q NON ROUTINE 9298355/30355 G
- [SDR CALA2022040600881](https://openairdocs.org/sdr/CALA2022040600881), Apr 4, 2022: FITTING. CORRODED. RH FR68 FWD SIDE JUST 2" ABOVE R-2 SILL HAS CORROSION A3NB-53-3- 6222 PER HAECO LCQ NON ROUTINE 9298558/30558 GENERATED BY N07857 0
- [SDR CALA2022040400862](https://openairdocs.org/sdr/CALA2022040400862), Apr 1, 2022: FITTING. GOUGED. L/H HORIZONTAL STAB T/E #4 ELEVATOR ATTACHMENT FITTING SUPPORT S TRUCTURE GOUGED. GENERATED AT HAECO LCQ PER NR 9298281 BY V90166 5. (30281) {A3NB-55-3-6005} RE
- [SDR CALA2022033100851](https://openairdocs.org/sdr/CALA2022033100851), Mar 31, 2022: FRAME. NONE. FR35-36 ON R/H PRESS PANEL HOLES CRACKED. ECRA 5331-02868 PART 1.3, PLANNING TO CONTACT EG AFTER 70,336 TTFC, OR 150,519TTLFH, WHICHEVER COMES 1ST, BUT BEFORE 7
- [SDR CALA2022033100828](https://openairdocs.org/sdr/CALA2022033100828), Mar 29, 2022: NONE. NONE. RH PRESSURE PANEL FR 35/36 HOLES 3,4,13,14,15,20,22,23,27,28 HAV E CRACK INDICATION. GENERATED BY V061682 ON HAECO LCQ NR 9298423 /30423 AIRS ARE CAT -B- MAJOR 
- [SDR CALA2022033100821](https://openairdocs.org/sdr/CALA2022033100821), Mar 28, 2022: NONE. NONE. AFT WET AREA AT R2 DOOR STRINGER 23RT HAS FOUR EACH HOLES OVER S IZED ON HORZ FLANGE AFT OF FR68, GENERATED AT HAECO LCQ PER NR92 98484 (30484) BY V052030. REMO
- [SDR CALA2022033100816](https://openairdocs.org/sdr/CALA2022033100816), Mar 28, 2022: NONE. NONE. RIGHT AFT SHEAR PLATE FLOOR SUPPORT AT FR 68 HAS CORROSION. GENE RATED AT HAECO LCQ PER NR 9298369 (30369) BY V061334. (A3NB-53-3 -6222) RENIVED ABD REOKACED RH
- [SDR CALA2022033100815](https://openairdocs.org/sdr/CALA2022033100815), Mar 28, 2022: NONE. NONE. RIGHT AFT SHEAR PLATE AT FR 68 HAS CORROSION. GENERATED AT HAECO LCQ PER NR 9298368 (30368) BY V061334. (A3NB-53-3-6222) REMOVE AND REPLAACE RH AFT SHEAR PLATE 
- [SDR CALA2022033100813](https://openairdocs.org/sdr/CALA2022033100813), Mar 28, 2022: FITTING. NONE. PER NR 9298363/30363 LH VERTICAL FRAME AND FITTING , HOLE #3 HAS A CRACK INDICATION AT APPROX. THE 6 O''CLOCK POSITION IN THE FIT TING. . GENERATED BY V061632 W
- [SDR CALA2022032300746](https://openairdocs.org/sdr/CALA2022032300746), Mar 21, 2022: INTERCOSTAL. CRACKED. FR 16 RH DOOR STOP #7 IB UPPER HOLE HAS CRACK INDICATION IN INTE RCOSTAL LAYER @ 6 OCLOCK DIRECTION PER HAECO LCQ NON ROUTINE 929 8352/30352 GENERATED BY V89244
- [SDR CALA2022032300745](https://openairdocs.org/sdr/CALA2022032300745), Mar 21, 2022: INTERCOSTAL. CRACKED. FR 16 LH DOOR STOP #7, IB UPPER HOLE HAS CRACK INDICATION IN INT ERCOSTAL LAYER @ 6 OCLOCK DIRECTION PER HAECO LCQ NON ROUTINE 92 98347/30347 GENERATED BY V8924
- [SDR CALA2022032100704](https://openairdocs.org/sdr/CALA2022032100704), Mar 17, 2022: STRINGER. CORRODED. AFT CARGO COMPARTMENT STR 43L HAS CORROSION BETWEEN FR 60 AND FR 61 PER HAECO LCQ NON ROUTINE 9298272/30272 GENERATED BY V061771 REMOVED AND REPLACED STRINGER A
- [SDR CALA2022031400656](https://openairdocs.org/sdr/CALA2022031400656), Mar 12, 2022: NONE. CORRODED. FWD PIT CORR SPLICE STR 41R BETWEEN FR 30 & 31 A3NB-05-3-6013 GENERATED BY:V061334 AT HAECO LCQ PER NR#9298265 (30265) REMOVED AND REPLACED FISHPLATE SPLICE
- [SDR CALA2022031400655](https://openairdocs.org/sdr/CALA2022031400655), Mar 12, 2022: NONE. CORRODED. FWD CARGO CLEAT AT FR30 STR41RT TO STR42RT HAS CORROSION GENERAT ED BY N078592 NON ROUTINE 9298360/30360. REMOVED AND REPLACED CLEAT AT FWD CARGO AT FR30 BETWEE
- [SDR CALA2022031400644](https://openairdocs.org/sdr/CALA2022031400644), Mar 11, 2022: NONE. CORRODED. FWD PIT CORR CLEAT 42R FR32 (A3NB-05-3-6013). GENERATED BY V0613 34 AT HAECO LCQ PER NR 9298266 (30266) REMOVED AND REPLACED CLEAT AT FWD CARGO COMPARTMENT BETW
- [SDR CALA2022031400641](https://openairdocs.org/sdr/CALA2022031400641), Mar 11, 2022: NONE. CORRODED. FWD CARGO CLEAT AT FR32 SRT 41RT TO STR 40RT HAS CORROSION (A3NB-05-03-6013). GENERATED BY N078592 AT HAECO LCQ PER NR 9298 361 (30361). REMOVED AND REPLACED CL
- [SDR CALA2022031400640](https://openairdocs.org/sdr/CALA2022031400640), Mar 11, 2022: NONE. CORRODED. FWD PIT CORR CLEAT STR 41R FR 31(A3NB-05-3-6013). GENERATED BY V 061334 AT HAECO LCQ PER NR 9298267 (30267). REMOVED AND REPLACED CLEAT AT FWD CARGO COMPARTMENT
- [SDR CALA2022031400642](https://openairdocs.org/sdr/CALA2022031400642), Mar 11, 2022: NONE. CORRODED. FWD PIT CORR CLEAT STR 40R FR 30 (A3NB-05-3-6013). GENERATED BY V061334 AT HAECO LCQ PER NR 9298264 (30264). REMOVED AND REPLACED CLEAT AT FWD CARGO COMPARTMENT
- [SDR CALA2022031000627](https://openairdocs.org/sdr/CALA2022031000627), Mar 9, 2022: NONE. NONE. AFT CARGO PIT STRINGER 42 LEFT BETWEEN FRAME 63-64 HAS CORROSION A3NB-53-4-6179 PER HAECO LCQ NON ROUTINE 9298197/30197 GENERATED BY V052030 REMOVED & INSTA
- [SDR CALA2019120302125](https://openairdocs.org/sdr/CALA2019120302125), Nov 30, 2019: STRINGER. CORRODED. AFT CARGO FR56-57 STR43L PREVIOUS REPAIR CORRODED, A3NB-33-3-601 0, PER HAECO LCE NR 9290441, ACCOMPLISHED SPLICE REPAIR ON STRG 43L AT FR 56-59 IAW SRM 53-00 -
- [SDR CALA2019120302124](https://openairdocs.org/sdr/CALA2019120302124), Nov 30, 2019: STRINGER. CORRODED. AFT CARGO FR56-FR57 STR 41L STRINGER CORRODED, A3NB-33-3-6010, PER NR 9290443, STRINGER SPLICE REPAIR INSTALLED IAW SRM 53-00-13-300-001 ON STR 41 AT BETWEEN FR
- [SDR CALA2019120302123](https://openairdocs.org/sdr/CALA2019120302123), Nov 30, 2019: STRINGER. CORRODED. AFT CARGO FR58-FR59 STR 42L CORRODED, A3NB-33-3-6010, PER HAECO LCQ NR 9290445, ACCOMPLISHED SPLICE REPAIR ON STRG 42L AT FR 54-59 IAW SRM 53-00 -13-300-001.REP
- [SDR CALA2019120302122](https://openairdocs.org/sdr/CALA2019120302122), Nov 30, 2019: STRINGER. CORRODED. AFT CARGO FR65 STR31R CORRODED AT OUTFLOW VALVE, SUPPORT TASK, P ER NR 9290448, REMOVED AND REPLACED STRINGER 31R, FR64R-68R, R/H SIDE IAW A320 SRM 51-42-11-801
- [SDR CALA2019120302121](https://openairdocs.org/sdr/CALA2019120302121), Nov 30, 2019: TORSION BOX. CORRODED. AFT CARGO TORSION BOX UPPER SURFACE HAS LIGHT SURFACE CORROSION MULTIPLE AREAS, A3NB-33-3-6010, PER LCQ NR 9290450, REMOVED AND REPALCED AFT CARGO TORSION BOX W
- [SDR CALA2019120302120](https://openairdocs.org/sdr/CALA2019120302120), Nov 29, 2019: ANGLE. CRACKED. R/H AFT KEEL BEAM SIDE PANEL. LOWER FORWARD ANGLE HAS CRACK AT L OWER FASTENER. DOT E940. AD RELATED TASK "REPAIR PER EA 5331-017 18 OP 08 BEFORE NEXT FLIGHT" (
- [SDR CALA2017080802520](https://openairdocs.org/sdr/CALA2017080802520), Aug 8, 2017: RESERVOIR. WARNING LIGHT. HYD RESERVOIR OVERHEAT DISPLAYED ON UPPER ECAM SCREEN. EMERGENCY DECLARED. REPLACED LOW PRESSURE FILTER MODULE, REPLACED HIGH PRESS FILTER MODULE. REPLACED THE 
- [SDR CALA2017020300266](https://openairdocs.org/sdr/CALA2017020300266), Feb 3, 2017: WIRE. BROKEN. EMERGENCY LIGHTS INOPERATIVE AT SEAT ROWS 29, 30, 31. FOUND A BROKEN WIRE AT SIDEWALL CONNECTOR AT ROW29. REPAIRED BROKEN WIRE AND REPLACED CONN BACKSHELL AT SI
- [SDR CALA2016091995746](https://openairdocs.org/sdr/CALA2016091995746), Sep 16, 2016: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHT TEST FAULTED. REPLACED EPSU BATTERY, OPS TESTED GOOD.
- [SDR CALA2014071591465](https://openairdocs.org/sdr/CALA2014071591465), Jul 12, 2014: SKIN. DAMAGED. DOUBLER REPAIR ACCOMPLISHED ON EXTERNAL FUSELAGE SKIN JUST AFT OF FRAME 1 & AT Y-330 RT. ORIGINAL SKIN THICKNESS 0.055INCHES. REPAIR ACCOMPLISHED IAW SRM 53-00-
- [SDR CALA2014071591463](https://openairdocs.org/sdr/CALA2014071591463), Jul 11, 2014: STRINGER. CORRODED. STRINGER FOUND CORRODED BETWEEN FRAME 58 & 60. STRINGER SECTION REPLACED FROM FRAME 58 TO 64.
- [SDR CALA2014071591462](https://openairdocs.org/sdr/CALA2014071591462), Jul 11, 2014: STRINGER SPLICE. CORRODED. STRINGER 41R SPLICE PLATE CORRODED AT FRAME 58. R & R STRINGER SPLICE PLATES.
- [SDR CALA2014071191447](https://openairdocs.org/sdr/CALA2014071191447), Jul 7, 2014: STRINGER. CORRODED. AFT CARGO COMPARTMENT BILGE AREA FRAME 60 - 64 RT HAS CORROSION. AFT CARGO STRINGER 42R CORRODED BEYOND LIMITS. FRAME 60 - 64 REPAIRED BY SPLICING IN NEW STRING
- [SDR CALA2014071191424](https://openairdocs.org/sdr/CALA2014071191424), Jul 6, 2014: STRINGER. CORRODED. AFT CARGO STRINGER 39 RT CORROSION ON OUTER FLANGE BETWEEN FRAME 62 - 63 & STRINGER 39. REMOVED CORROSION STRINGER 39 AFT CARGO FRAME 62 - 63 IAW SRM 53-00-13 F
- [SDR CALA2014071191423](https://openairdocs.org/sdr/CALA2014071191423), Jul 6, 2014: STRINGER. CORRODED. AFT CARGO COMPARTMENT BILGE AREA STRINGER FRAME 61 - 64 STRINGER 40 RT HAS CORROSION. OUT OF LIMITS REPAIR EXTENDS PASSED 2 BAYS IAW SRM 53 -41-13 & 53-00-13 FI
- [SDR CALA2014071191422](https://openairdocs.org/sdr/CALA2014071191422), Jul 6, 2014: ACCESS PANEL. GOUGED. LEFT WING FUEL PANEL 540MB HAS TWO EACH GOUGED FASTENER S HOLES. REAMED TWO EACH HOLES ON PANEL 540MB, COLD WORKED HOLES & REAMED. FABRICATED TWO BUSHINGS & INS
- [SDR CALA2014071191421](https://openairdocs.org/sdr/CALA2014071191421), Jul 5, 2014: DOOR SILL. CORRODED. R2 DOOR SILL HAS CORROSION FRAME 66 & STRINGER 23R. BLENDED CORROSION ON R2 DOOR SILL BEAM OUT OF LIMITS IAW SRM51-41-14 FIG 101. R & R BEAM IAW SRM 51-42-11 PA
- [SDR CALA2014071191420](https://openairdocs.org/sdr/CALA2014071191420), Jul 5, 2014: FITTING. CRACKED. FRAME 43 WING BAY CORD, TORSION BOX & MLG FREE FALL BRACKET AFT HOLE HAS A CRACK RT SIDE. R & R LT & RT REINFORCEMENT FITTINGS TORSION BOX LOWER SIDE SHELL.
- [SDR CALA2014070191395](https://openairdocs.org/sdr/CALA2014070191395), Jul 1, 2014: DOOR SILL. CORRODED. L2 DOOR SILL HAS CORROSION AT FRAME 66 STRINGER L23 BOTTOM SURFACE. CORROSION FOUND OUT OF LIMITS IAW SRM 53-41-14 PB 102 FIG 101. 0.035 LOSS REPAIRED SILL IAW 

All 100: https://openairdocs.org/aircraft/N491UA/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 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/N491UA/stcs.md

## Related

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