# SDR 2007UALA03785

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2007
- Submitted: September 22, 2007
- Operation: Air carrier
- Aircraft: [N775UA](https://openairdocs.org/aircraft/N775UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26947
- Aircraft time: 47,828 hours, 9,058 cycles
- Engine: Pwa PW4077
- Engine time: 41,392 hours, 7,878 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Condition: Failed
- Location: Hyd System
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007UALA03785

## Discrepancy

NR 2 ENG EDP FAILED DURING ENG RUN.    10-16-07    REPLACED ENGINE DRIVEN HYDRAULIC PUMP PER MM 29-11-0 5.  FOUND SLUDGE IN LINES & FLUSHED SYSTEM LINES.  ALL VALVES CHECKED OK.  HYDRAULIC SYSTEM CHECKS OK FOR SERVICE.

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