# SDR ASAA2015092913283

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2015
- Submitted: October 5, 2015
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 32,737 hours, 9,796 cycles
- System (JASC): [7720 · Engine Temperature Indicating System](https://openairdocs.org/jasc/7720)
- Part: Engine
- Condition: Fault Message
- Location: Nr 1
- Stage of operation: IN
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015092913283

## Discrepancy

WHILE PERFORMING T/C 78273000, THE NR 1 ENGINE RECENT FAULT SHOWS MSG NR 77-10851, THE BOTTOM RT EGT SIGNAL, T495S2, IS OUT OF RANGE.  LOGGED NO FLT LEG 2.  THIS IS ECONOMIC. ACFT GROUNDED. ON DEFERRAL.

---
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.