# SDR ASAA2016041816421

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2016
- Submitted: April 18, 2016
- Operation: Air carrier
- Aircraft: [N587AS](https://openairdocs.org/aircraft/N587AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35684
- Aircraft time: 32,672 hours, 9,527 cycles
- System (JASC): [7797 · Engine Indicating System Wiring](https://openairdocs.org/jasc/7797)
- Part: Wire Harness
- Part number: 3250254010
- Condition: Failed
- Location: Nr 1 Engine
- 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/ASAA2016041816421

## Discrepancy

WHILE PERFORMING T/C 78273000, FOUND NR 1 ENGINE, ESN 849549 HAS ECONOMIC MESSAGE 77-20861, THE BOTTOM LT EGT SIGNAL, T495S3 IS OUT OF RANGE.  ACFT GROUNDED. ENGINEERING REQUEST ACCOMPLISHED, REF TSR907942.  R & R CJ10 HARNESS ON THE NR 1 ENGINE, REF AMM 73-21-06.  OPS CHECKS COMPLETE.

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