# SDR AALA202102019003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2021
- Submitted: February 1, 2021
- Operation: Air carrier
- Aircraft: [N917UY](https://openairdocs.org/aircraft/N917UY), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6427
- Aircraft time: 19,330 hours, 7,519 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 2079113AD
- Part serial: 1470267
- Condition: Faulted
- Location: Cabin Pressure
- Part time: 19,326 hours, 7,518 cycles
- Stage of operation: CR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202102019003

## Discrepancy

AIRCRAFT WAS GROUNDED: CABIN. PRESSURE SYSTEM 1 FAULT REPORTED BY FLIGHT CREW, AIRCRAFT DIVERTED TO MIA WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT.(NO EMERGENCY WAS DECLARED) REPLACED CABIN PRESSURE CONTROLLER #1 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 21-31-34.

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