# SDR AALA202604175836

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2026
- Submitted: April 17, 2026
- Operation: Air carrier
- Aircraft: [N176UW](https://openairdocs.org/aircraft/N176UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1499
- Aircraft time: 79,835 hours, 31,093 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Proximity Sensor
- Part number: 848401
- Condition: Warning Message
- Location: Zone 700
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202604175836

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INBOUND INTO PVR DUE TO THE FLIGHT CREW REPORTING THAT UPON SELECTING GEAR DOWN AN ECAM MESSAGE FOR LANDING GEAR DOORS NOT CLOSED / LANDING GEAR SYSTEM DISAGREE DISPLAYED. THE FLIGHT CREW COMPLIED WITH ECAM ACTIONS, QRH FOLLOW UP, ECAM SUPPLEMENTAL. MOC CONFIRMED OKAY TO LAND. THE FLIGHT CREW REPORTED THE FOLLOWING: WHEEL PAGE LEFT MAIN GEAR RED TRIANGLE LEFT SIDE OF MAIN, GREEN TRIANGLE RIGHT SIDE OF MAIN. GEAR DOORS OPEN, N/W STEERING INOP LDG GEAR PANEL ON GLARE SHIELD: RED UNLOCK LEFT MAIN. TWO GREENTRIANGLES NOSE AND RIGHT MAIN. THE AIRCRAFT LANDED SAFELY AT PVR AND TAXIED TO THE GATE UNDER ITS OWN POWER. MAINTENANCE REPLACED LGCIU #1 (AALA202604175322) AND #2 (AALA202604171540) PER AMM 32-31-71. MAINTENANCE ALSO REPLACED SENSOR 15GA (AALA202604177492) PER AMM 32-31-73. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO FAULTS NOTED.

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