# SDR UALA2009101403231

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2009
- Submitted: October 14, 2009
- Operation: Air carrier
- Aircraft: N549UA
- Make and model: Boeing 757222
- Aircraft serial: 25397
- Aircraft time: 67,716 hours, 19,557 cycles
- Engine: Pwa PW2037
- System (JASC): [7311 · Engine Fuel/Oil Cooler](https://openairdocs.org/jasc/7311)
- Part: Fuel/Oil Cooler
- Part number: 471111172
- Part serial: 170
- Condition: Faulty
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009101403231

## Discrepancy

NR 1 ENG HOC.  RAN ENG AT 80 PERCENT NO LEAKS AT DRAINS.  REPLACED NR 1 ENG FOC AND BYPASS VALVE.  RUNS AND LEAK CHECKS GOOD.  RE-SERVICED ENG OIL AND IDG.  COWLS SECURED.  ACP OP CHECK.  NO OIL ADDED, SHOWS 21, TANK FULL.  OK TO RETURN TO ETOPS SVC.

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