# SDR CALA2013111492938

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2013
- Submitted: November 15, 2013
- Operation: Air carrier
- Aircraft: [N823UA](https://openairdocs.org/aircraft/N823UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 952
- Aircraft time: 49,563 hours, 19,909 cycles
- Engine: Iae V2522A5
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Condition: Damaged
- Location: Hydraulic Sys
- Stage of operation: IN
- How discovered: O
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013111492938

## Discrepancy

YELLOW SYS HYD LEAK AT AFT WALL MAIN WHEEL PTU MODULE.  REPLACED O-RING ON THE YELLOW HYD SYS PTU MANIFOLD ASSEMBLY CHECK VLV, PN NAS 1612-20.  SEE AIRBUS IPC 29-13-15-02A. LEAK CHECK YELLOW SYS PTU MANIFOLD ASSEMBLY, NO LEAKS FOUND.

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