# SDR ASAA2015090812978

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2015
- Submitted: September 15, 2015
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 32,506 hours, 9,724 cycles
- System (JASC): [7720 · Engine Temperature Indicating System](https://openairdocs.org/jasc/7720)
- Part: Fault Code
- Condition: Activated
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015090812978

## Discrepancy

ACCOMPLISHED T/C 78273000 AND FOUND ENGINE NR 1 WITH ECONOMIC FAULT, 500 HRS, FAULT CODE 73-31371, UPPER EGT SECTORS READING HIGH.  ACFT GROUNDED. ON DEFERRAL.

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