# SDR ASAA2017072321450

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2017
- Submitted: July 26, 2017
- Operation: Air carrier
- Aircraft: [N431AS](https://openairdocs.org/aircraft/N431AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43255
- Aircraft time: 14,866 hours, 4,906 cycles
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Wire Harness
- Part number: CA24401
- Condition: No Test
- Location: Fire Loop
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017072321450

## Discrepancy

ENGINE B LOOP INOPERATIVE.  ACFT GROUNDED.  REMOVED AND REPLACED THE CORE FIRE DETECTION HARNESS MW0326 IAW AMM 26-11-02-000-802, AND AMM TASK 26-11-02-400-802. OPS CHECKED GOOD.

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