# SDR AALA202505219365

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2025
- Submitted: May 21, 2025
- Operation: Air carrier
- Aircraft: [N769US](https://openairdocs.org/aircraft/N769US), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1391
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Control Valve
- Part number: 1303A000004
- Part serial: 1755
- Condition: Inoperative
- Location: Zone 100
- Part time: 63,480 hours, 30,166 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202505219365

## Discrepancy

AIRCRAFT WAS GROUNDED: ONE PACK ON MEL. ON CLIMBOUT, THE OTHER PACK FAILED AND A/C WAS UNABLE TO PRESSURIZE OR MAINTAIN TEMPERATURE. RETURNED TO MIA. NO EMERGENCY, NO OVERWEIGHT LANDING. MAINTENANCE REPLACED PACK 1 FLOW CONTROL VALVE IAW AMM 21-51-51.

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