# SDR UIEA2018122802955

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2018
- Submitted: January 4, 2019
- Operation: Air carrier
- Aircraft: [N1709A](https://openairdocs.org/aircraft/N1709A), registered now
- Make and model: Boeing 767375
- Aircraft serial: 24086
- Aircraft time: 91,556 hours, 21,169 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Sensor
- Part number: 38760263
- Part serial: 1509
- Condition: Shorted
- Location: Apu
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2018122802955

## Discrepancy

APU FAILED TO START NO APU FAULT EICAS (<P>TRANSFERRED TO MDDR 105126 AS PER MEL 49-11-01A CAT C.</P><P>PERFORMED APU WIRE BUNDLE ALL WIRING CHECK FOUND OK. FOUND MONOPOLE SENSOR SHORTED. REMOVED AND REPLACED SENSOR TS9 IAW AMM 49-51-02</P>)

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