# SDR UALA2013031301497

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2013
- Submitted: March 23, 2013
- Operation: Air carrier
- Aircraft: [N206UA](https://openairdocs.org/aircraft/N206UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30212
- Aircraft time: 60,668 hours, 8,638 cycles
- Engine: Pwa PW40903
- Engine time: 41,687 hours, 6,143 cycles
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Seal
- Condition: Leaking
- Location: Nr 4 Bearing
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013031301497

## Discrepancy

DUE TO EVIDENCE OF OIL IN NR 4 BEARING AIR SEAL, REPLACED NR 1 ENGINE PER AMM.

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