# SDR AALA202207266171

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2022
- Submitted: July 26, 2022
- Operation: Air carrier
- Aircraft: [N123NN](https://openairdocs.org/aircraft/N123NN), registered now
- Make and model: Airbus A300*
- Aircraft serial: 6256
- Aircraft time: 25,327 hours, 7,603 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 2079113AD
- Part serial: 1454732
- Condition: Failed
- Location: Zone 100 - Fuse
- Stage of operation: TO
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202207266171

## Discrepancy

AIRCRAFT WAS GROUNDED: CABIN PRESSURE SYSTEM 1 AND 2 FAIL MESSAGE AFTER TAKEOFF. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO PIT WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT.  MAINTENANCE REPLACED #1 CABIN PRESSURE CONTROLLER AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 21-31-34.

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