# SDR UALA2012120406947

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2012
- Submitted: January 28, 2013
- Operation: Air carrier
- Aircraft: N507UA
- Make and model: Boeing 757222
- Aircraft serial: 24743
- Aircraft time: 73,940 hours, 27,933 cycles
- Engine: Pwa PW2037
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Part number: NAS161216
- Condition: Leaking
- 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/UALA2012120406947

## Discrepancy

HYDRAULIC QUANTITY LOW - SYSTEM RT.  FOUND HYDRAULIC LEAK AT SPOILER NR 11.  FOUND DAMAGED O-RING AT FITTING, REPLACED SAME NAS1612-16, LEAKS AND OPS CHECKS GOOD.  HYDRAULIC SYSTEM SERVICED TO FULL.

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