# SDR AALA2019040400000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2019
- Submitted: April 4, 2019
- Operation: Air carrier
- Aircraft: [N118NN](https://openairdocs.org/aircraft/N118NN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6162
- Aircraft time: 15,687 hours, 4,423 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: VFT300B00
- Part serial: 042604378
- Condition: Faulted
- Location: Cabin Pressure
- Stage of operation: NR
- 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/AALA2019040400000

## Discrepancy

AIRCRAFT WAS GROUNDED: DIVERTED ACCOUNT PRESSURIZATION ISSUE, UNABLE TO MAINTAIN CABIN PRESSURE. EMERGENCY WAS DECLARED.  REPLACED SKIN AIR OUTLET VALVE PER AMM 21-56-53. (CLOSED)***

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