# SDR ASAA2018082755913

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2018
- Submitted: August 27, 2018
- Operation: Air carrier
- Aircraft: [N565AS](https://openairdocs.org/aircraft/N565AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 44,927 hours, 13,587 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Fire Loop
- Condition: Malfunctioned
- Location: Aft Cargo
- Stage of operation: TX
- How discovered: C
- Nature of condition: L
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018082755913

## Discrepancy

AFT CARGO FIRE TEST FAILED FOR THE A LOOP.  ACFT GROUNDED.  PLACED AFT PIT LOOP SELECTOR TO NORMAL POSITION.  ACCOMPLISHED AFT CARGO BAY SMOKE DETECTION,   SMOKE TEST IAW AMM 26-16-00-730-801. ON ALL POSITIONS A & B NORMAL, LOOP SELECTOR. ALL TESTS PASSED. PERFORMED AMM TASK 26-16-00-710-801 CARGO BAY SMOKE DETECTION, OPERATIONAL TEST. ALL TESTS PASSED.

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