# SDR MTNA202101280201

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2021
- Submitted: February 5, 2021
- Operation: Air carrier
- Aircraft: [N804FX](https://openairdocs.org/aircraft/N804FX), registered now
- Make and model: Aerosp ATR72
- Aircraft serial: 370
- Aircraft time: 39,345 hours, 40,274 cycles
- System (JASC): [7722 · Engine EGT/TIT Indicating System](https://openairdocs.org/jasc/7722)
- Part: Indicator
- Part number: 56785598010
- Part serial: 525
- Condition: Inoperative
- Location: Itt
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MTNA202101280201

## Discrepancy

DURING CLIMB #1 ITT GAUGE WENT TO 850 C FOLLOWED BY LOCAL ALERT AND ENGINE CAP ALERT GAUGE THEN ROSE TO 1200 C AND REMAINED ERRATIC FOR 1 TO 2 MINUTES GAUGE SUBSEQUENTLY STABILIZED ON FINAL APPROACH IT BECAME ERRATIC AGAIN. BORESCOPED #1 ENGINE. BORESCOPE CHECKED GOOD. TROUBLESHOT #1 ITT SYSTEM, REMOVED AND REPLACED #1 ITT GAUGE. OPS CHECK GOOD.

---
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.