# SDR UALA2013062004294

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 2013
- Submitted: June 21, 2013
- Operation: Air carrier
- Aircraft: N546UA
- Make and model: Boeing 757222
- Aircraft serial: 25367
- Aircraft time: 80,468 hours, 23,351 cycles
- Engine: Pwa PW2040
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Condition: Leaking
- Location: Hyd System
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013062004294

## Discrepancy

PARK BRAKE MODULE IS LEAKING HYD FLUID AS NOTED DURING WALK AROUND.   REPLACED O-RING ON PARK BRAKE MODULE HYD UNION.OPS AND LEAK CHECK NORMAL.

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