# SDR UALA2010020800498

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2010
- Submitted: February 8, 2010
- Operation: Air carrier
- Aircraft: [N772UA](https://openairdocs.org/aircraft/N772UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26930
- Aircraft time: 57,133 hours, 10,619 cycles
- Engine: Pwa PW4077
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Line
- Part number: 51U55301
- Condition: Cracked
- Location: Engine Oil
- 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/UALA2010020800498

## Discrepancy

NR 2 ENG VENT LINE TO THE RESTRICTOR VALVE ON THE DEOILER CRACKED.  LINE IS NR 3 BEARING RESTRICTOR VALVE AP39 AIR SUPPLY TUBE.  NEW LINE ON AOG.  REMOVED NR 3 BEARING RESTRICTOR VALVE AP39 SUPPLY LINE. REMOVED PARTS IN AREA. REPLACED LINE.

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