# SDR CALA2019072801261

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2019
- Submitted: July 28, 2019
- Operation: Air carrier
- Aircraft: [N829UA](https://openairdocs.org/aircraft/N829UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1211
- Aircraft time: 61,078 hours, 26,011 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: 2079003AC
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: CR
- 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/CALA2019072801261

## Discrepancy

SYSTEM #2 ''ACTIVE SYSTEM'' INDICATION INOP ON PRESSURE SYSTEM ECA M PAGE. PFR SHOWS CAB PR SYS 2 FAULT, CAB PR EXCESS CAB ALT. UPDATED MAA CODE FIX USING VENDOR MAA SCREEN SEE TSM 21-31-00-810-827-A, CALL TOMC 847-700-9980 MAC METER INITIATED FOR WITH VENDOR MAC RELATED WORK ORDER 000000002036328 AND PRTR SEE LOG PAGE 3849742 FOR CORRECTIVE ACTION SEE LOG PAGE 3849742 FOR CORRECTIVE ACTION.

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