# SDR ASAA2015010410144

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 2015
- Submitted: January 6, 2015
- Operation: Air carrier
- Aircraft: [N402AS](https://openairdocs.org/aircraft/N402AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41189
- Aircraft time: 8,406 hours, 2,691 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: 4735975
- Condition: Dirty
- Location: Cargo Bay
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015010410144

## Discrepancy

AFT CARGO FIRE LIGHT FAULT DETECT IN NORMAL MODE LIGHT IS INTERMITTENT.  ACFT GROUNDED.  CLEANED ALL 3 AFT CARGO COMPARTMENT LOOP A SMOKE DETECTORS IAW MM 26-16-01.  DURING CLEAN, FOUND DETECTOR A1, M2242, WITH DAMAGED COMPONENTS ON CIRCUIT BOARD.  R & R M2242, REF MM 26-16-01.  CARGO FIRE PANEL DETECTOR SELECT SWITCH PLACED TO NORMAL GROUND VERIFICATION SUCCESSFUL, REF MM 26-16-01.

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