# SDR UIEA2017072701331

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2017
- Submitted: August 3, 2017
- Operation: Air carrier
- Aircraft: [N1709A](https://openairdocs.org/aircraft/N1709A), registered now
- Make and model: Boeing 767375
- Aircraft serial: 24086
- Aircraft time: 89,764 hours, 20,439 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: O-Ring
- Part number: MS9386109
- Condition: Failed
- Location: Flow Sensor
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2017072701331

## Discrepancy

STARTING RT ENGINE,  APU SHUTDOWN.   FOUND BAD O-RING ON FLOW PT SENSOR , REMOVED AND REPLACED THE O-RING IAW AMM 49-53-08, OPS CHECKED GOOD.

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