# SDR AALA202105279021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 24, 2021
- Submitted: May 27, 2021
- Operation: Air carrier
- Aircraft: [N745VJ](https://openairdocs.org/aircraft/N745VJ), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1289
- Aircraft time: 54,893 hours, 34,452 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 2079102AB
- Part serial: 0590549
- Condition: Inoperative
- Location: Cabin Pressure
- Part time: 45,362 hours, 21,883 cycles
- Stage of operation: DE
- 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/AALA202105279021

## Discrepancy

AIRCRAFT WAS GROUNDED: DURING DESCENT BOTH SIDES " STD " AT FL 240--FLASHING--AT 16000FT. CABIN PRESSURE LOST ON SYSTEM 2. CABIN DUMPED. NO MASKS DEPLOYED. REDUCED V/S ON LANDING. SYSTEM SWITCHED TO SYSTEM 1. TROUBLESHOT TO BAD RELAY 10WR , REPLACED RELAY (AALA202105259006). ACCOMPLISHED FUNCTIONAL TEST OF THE PASSENGER EMERGENCY OXYGEN SYSTEM. SYSTEM TEST CHECKED GOOD PER AMM 35-23-00-720-002. REMOVED AND REPLACED CABIN PRESSURE CONTROLLERS 1 (AALA202105279021) AND 2 (AALA202105279022) PER AMM 21-31-34. OPS CK GOOD PER AMM 21-31-00.

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