# SDR ASAA2021041634597

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2021
- Submitted: April 19, 2021
- Operation: Air carrier
- Aircraft: [N557AS](https://openairdocs.org/aircraft/N557AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35176
- Aircraft time: 55,069 hours, 16,050 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7397 · Engine Fuel System Wiring](https://openairdocs.org/jasc/7397)
- Part: Wire Harness
- Part number: 3250434020
- Condition: Inoperative
- 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/ASAA2021041634597

## Discrepancy

WHILE INSPECTING #1 ENGINE CORE WIRING FOR DEFECT 60125716, FOUND UNAUTHORIZED REPAIRS ON J9 AND J10 HARNESSES IN HOT SECTION. GROUNDED - YES. REMOVED AND REPLACED J9 AND J10 HARNESSES REF B737-800 AMM 73-21-06. PERFORMED FADEC SYSTEM TEST REF AMM 73-21-00-700-802-F00. OP CHECK GOOD. ETOPS GROUND VERIFICATION SUCCESSFUL.

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