# SDR ASAA2017042521029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2017
- Submitted: June 12, 2017
- Operation: Air carrier
- Aircraft: [N506AS](https://openairdocs.org/aircraft/N506AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35690
- Aircraft time: 33,758 hours, 10,301 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7397 · Engine Fuel System Wiring](https://openairdocs.org/jasc/7397)
- Part: Wire Harness
- Part number: 3250254020
- Condition: Faulted
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017042521029

## Discrepancy

NR 1 ENGINE BITE SHOWS FAULT 77-20871, TOP LEFT EGT OUT OF RANGE ECONOMIC FAULT.  ACFT GROUNDED.  VERIFIED FAULT MESSAGE, S4 SHOWS DASHES ON INPUT PAGE. SHAKEDOWN OF CJ10 CAUSE INPUT TO GO IN AND OUT. REMOVED & REPLACED CJ10 HARNESS IAW AMM 73-21-06-400-803, FADEC SYSTEM TEST PASSED ENGINE RUN CONFIRMS.

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