# SDR UALA2013011400203

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 2013
- Submitted: January 18, 2013
- Operation: Air carrier
- Aircraft: [N662UA](https://openairdocs.org/aircraft/N662UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27159
- Aircraft time: 85,277 hours, 13,571 cycles
- Engine: Pwa PW4060
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Condition: Leaking
- Location: Trim Switch
- 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/UALA2013011400203

## Discrepancy

HYDRAULIC FLUID LEAKING FROM STAB COMPARTMENT DRAIN ON BELLY.  FOUND LEFT STAB TRIM CONTROL MODULE BRAKE PRESSURE SWITCH LEAKING 30 DROPS MIN.  REPLACED O-RING SEALS.  LEAK CHECKED GOOD.  CLEANED AND FLUSHED COMPARTMENT OF RESIDUAL FLUID.

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