# SDR AALA201908099026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2019
- Submitted: August 9, 2019
- Operation: Air carrier
- Aircraft: [N188US](https://openairdocs.org/aircraft/N188US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1724
- Aircraft time: 58,757 hours, 22,024 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: 2079003AC
- Part serial: 0951612
- Condition: Unreliable
- Location: Cabin Pressure
- Part time: 37,086 hours, 13,290 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201908099026

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS CABIN PRESSURE EXCESSIVE ALTITUDE RED ECAM-EMERGENCY DECENT PROCEDURES. FULL BRIGHT LIGHTS IN CABIN AND CHIME. MAINTENANCE ACCOMPLISHED TSM 21-31-00-810-827-A. REPLACED #2 PRESSURE CONTROLLER AND OUTFLOW VALVE IAW AMM 21-31-34 AND 21-31-51. ACCOMPLISHED OPERATIONAL CHECK IAW AMM 21-31-00. OPS CHECK NORMAL. (SEE SDR # AALA201908099009)

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