# SDR ASAA2016071917436

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2016
- Submitted: July 25, 2016
- Operation: Air carrier
- Aircraft: [N588AS](https://openairdocs.org/aircraft/N588AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35685
- Aircraft time: 33,329 hours, 10,131 cycles
- Engine: Cfmint CFM567B27
- 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: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016071917436

## Discrepancy

FOUND ON T/C 78273000 ECONOMIC FAULT MESSAGE 77-10841, THE TOP RT EGT SIGNAL (T495S1) IS OUT OF RANGE,  NR 1 ENGINE. ACFT GROUNDED.   IAW FIM 77-21, TASK 801 THE TOP RT EGT SIGNAL IS OUT OF RANGE, FAULT ISOLATION.  ACCOMPLISHED ELECTRONIC ENGINE CONTROL TEST, REF AMM TASK 73-21-00-700-804-F00, NO ACTIVE FAULTS FOUND.  OK FOR CONTINUED SERVICE.

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