# SDR 2007UALA03678

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2007
- Submitted: September 15, 2007
- Operation: Air carrier
- Aircraft: [N799UA](https://openairdocs.org/aircraft/N799UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26926
- Aircraft time: 41,471 hours, 6,291 cycles
- Engine: Pwa PW4090
- System (JASC): [2997 · Hydraulic Power System Wiring](https://openairdocs.org/jasc/2997)
- Part: Connector
- Condition: Damaged
- Location: Hyd Pump
- Stage of operation: NR
- How discovered: O
- Nature of condition: M
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007UALA03678

## Discrepancy

HYD PUMP DEM C2 LOW CENTER HYDRAULIC DEMAND PUMP NR 2 PRESSURE WHEN COMMANDED ON, OR CENTER DEMAND PUMP NR 2 OVERHEATED.   10-05-07   AFTER TROUBLESHOOTING & HISTORY REVIEW, DETERMINED THAT NR 2 CONTROL HYD PUMP OPERATED OK  FOR SEVERAL LEGS AFTER PIN D7716B (OF WDM29-11-40) WAS REPOSITIONED.  REMOVED CONNECTOR PINS AND RE-PINNED UNIT.  TESTED OK FOR SERVICE.

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