# SDR 96UAL900389

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 31, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N766UA
- Make and model: Boeing 777222
- Aircraft serial: 26917
- Engine: Pwa PW4077
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Oil Pump
- Condition: Cracked
- Location: Nr 2 Engine
- Component: Sundstrand, 5008437
- Stage of operation: CR
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96UAL900389

## Discrepancy

NUMBER 2 ENGINE LOSING OIL, ENGINE NOT SHUT DOWN.  *S/D*  OIL LEAK AT MAIN OIL PUMP DUE TO CRACK IN HOUSING.  REPLACED MAIN OIL PUMP PER B777 AMM79-21-04.

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