# SDR UIEA2017091101631

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2017
- Submitted: September 12, 2017
- Operation: Air carrier
- Aircraft: [N1229A](https://openairdocs.org/aircraft/N1229A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 28884
- Aircraft time: 66,555 hours, 14,160 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Seal
- Part number: MS29561118
- Condition: Leaking
- Location: Apu Oil Sys
- 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/UIEA2017091101631

## Discrepancy

DURING A DAILY INSPECTION, FOUND APU OIL LEAKING FROM THE OIL COOLER BYPASS VALVE.  REMOVED AND REPLACED TWO SEALS IAW 49-27-10.  NO LEAKS NOTED.

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