# SDR UIEA2018082001749

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2018
- Submitted: August 23, 2018
- Operation: Air carrier
- Aircraft: [N1181A](https://openairdocs.org/aircraft/N1181A), registered now
- Make and model: Boeing 767-3Y0
- Registry model: [Boeing 767-3Y0](https://openairdocs.org/model/boeing-767-3y0) (OpenAirDocs)
- Aircraft serial: 26206
- Aircraft time: 83,841 hours, 20,598 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Sensor
- Condition: Faulted
- Location: Apu
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2018082001749

## Discrepancy

AFTER APU START NO DUCT PRESS. CONFIRMED APU ISO VALVE OPEN AND PNEU ISO VALVE OPEN, PERFORMED BITE TEST ON APU ECU, FOUND P/T SENSOR FAULT ON LAST RUN, CLEARED. RESTART APU PNEUMATICS, OPS TEST NORMAL AS PER AMM 49-11-01.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
