# SDR 2008UALA02999

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2008
- Submitted: July 1, 2008
- Operation: Air carrier
- Aircraft: N416UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 479
- Aircraft time: 48,745 hours, 17,464 cycles
- Engine: Iae V2527A5
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Part number: NAS1611115
- Condition: Failed
- Location: Ptu Check Valve
- Stage of operation: CR
- How discovered: O
- Nature of condition: W, K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2008UALA02999

## Discrepancy

LOSS OF PRESSURE IN YELLOW HYD SYSTEM.  FLT RTFL.  YELLOW ELECTRIC HYD PUMP IS LEAKING.  REPLACED O-RING ON PTU CHECK VALVE.

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