# SDR CALA2015070600552

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2015
- Submitted: July 6, 2015
- Operation: Air carrier
- Aircraft: [N76526](https://openairdocs.org/aircraft/N76526), registered now
- Make and model: Boeing 737824
- Aircraft serial: 38700
- Aircraft time: 16,750 hours, 5,645 cycles
- Engine: Cfmint CFM567B263
- System (JASC): [7797 · Engine Indicating System Wiring](https://openairdocs.org/jasc/7797)
- Part: Wire Harness
- Part number: TC2963
- Condition: Shorted
- Location: Lt Egt
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2015070600552

## Discrepancy

DURING CRUISE FL 370, NR 1 ENG EGT WENT TO 965C EGT, EGT IN NORMAL RANGE AT IDLE.  ALL OTHER ENG INDICATIONS NORMAL.  FOUND NR 1 ENG LT EGT THERMOCOUPLE PROBE SHORTED WHEN TROUBLE SHOT HIGH ENG EGT.  REPLACED THERMOCOUPLE PROBE HARNESS.  ACCOMPLISHED TASK IAW ECRA 7700-01129.  NR 1 ENG RAN & TESTED 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.