# SDR ASAA2019092130763

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2019
- Submitted: September 23, 2019
- Operation: Air carrier
- Aircraft: [N581AS](https://openairdocs.org/aircraft/N581AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35188
- Aircraft time: 47,034 hours, 14,075 cycles
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Wire Harness
- Part number: 3250276060
- Condition: Broken
- 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/ASAA2019092130763

## Discrepancy

WHILE PERFORMING #1 ENGINE HARNESS INSPECTION PER TASK CARD N8420000 ON WO 1004707, FOUND BROKEN GROUND TERMINAL LUG ON WIRE HARNESS MW0326 FOR THE UPPER CORE FIRE DETECTION LOOP. GROUNDED - YES. REMOVED AND REPLACED MW0326 WIRE HARNESS IN REFERENCE TO AMM TASK 26-11-02-400-802. PERFORMED OPERATIONAL CHECK IN REFERENCE TO AMM TASK 26-11-00-710-801. OPS CHECK GOOD.

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