# SDR USAA2014031000021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2014
- Submitted: March 10, 2014
- Operation: Air carrier
- Aircraft: [N560UW](https://openairdocs.org/aircraft/N560UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5300
- Aircraft time: 3,830 hours, 1,633 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Schrader Valve
- Condition: Leaking
- Location: L2 Door
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2014031000021

## Discrepancy

TSI ISSUED, DUE TO PILOT REPORTS OF SEVERAL CHECK DOOR 2L PRESS MESSAGES.  FOUND SCHRADER VLV ON DOOR 2L DAMPENER TO BE LEAKING.  REPLACED SCHRADER VLV, OPERATIONS & LEAK CHECKED GOOD.  BITE TEST GOOD IAW AMM 23-73-00-740-005.

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