# SDR ASAA2019021528175

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 15, 2019
- Submitted: February 16, 2019
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35182
- Aircraft time: 46,321 hours, 13,859 cycles
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Wire Harness
- Part number: 3250274040
- Condition: Failed
- Location: Nr 2 Fire Loop
- 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/ASAA2019021528175

## Discrepancy

FOLLOW UP TO HISTORY OF #2 ENGINE FIRELOOP B FAULTS. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE UPPER DETECTOR ASSEMBLY. REVERSED ALTERNATE DEACTIVATION PROCEDURES. ETOPS GROUND VERIFICATION NOW OPS NORMAL REF B737-800 AMM TASK 26-11-00-710-801. CLOSED TSR DUE TO CONFIRMED FAULT AND POSITIVE MAINTENANCE ACTION.

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