# SDR ASAA2022080739388

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 2022
- Submitted: August 9, 2022
- Operation: Air carrier
- Aircraft: [N468AS](https://openairdocs.org/aircraft/N468AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41735
- Aircraft time: 29,913 hours, 9,495 cycles
- System (JASC): [2610 · Detection System](https://openairdocs.org/jasc/2610)
- Part: Smoke Detector
- Part number: 4735975
- Condition: Failed Insp
- Location: Cargo Bay
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022080739388

## Discrepancy

CARGO FIRE AFT DETECTOR DOES NOT ILLUMINATE ON TEST. GROUNDED - YES. REPLACED AFT CARGO BAY SMOKE DETECTORS A1 AND A2, REF B737-900 AMM 26-16-01-400-801.

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