# SDR UIEA2017051000765

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2017
- Submitted: May 11, 2017
- Operation: Air carrier
- Aircraft: [N1217A](https://openairdocs.org/aircraft/N1217A), registered now
- Make and model: Boeing 767375
- Aircraft serial: 25865
- Aircraft time: 87,103 hours, 21,981 cycles
- System (JASC): [4970 · APU Indicating System](https://openairdocs.org/jasc/4970)
- Part: Thermocouple
- Part number: 38760274
- Part serial: 1215027700626
- Condition: Failed
- Location: Nr 2 Egt
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2017051000765

## Discrepancy

MAINTENANCE MESSAGE FOR APU BITE.  PERFORMED A BITE CHECK, AND ECU FAULTED, EGT FAULTED, EGT NR 2 CIRCUIT.  R & R THE NR 2 EGT UPPER THERMOCOUPLE IAW 49-71-01.  BITE CHECK PASSED, CIRCUIT BREAKER CHECKED NORMAL.

---
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.