# SDR ASAA0955970

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2009
- Submitted: June 22, 2009
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 11,391 hours, 3,241 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Contact
- Part number: MS24515685AS15
- Condition: Dirty
- Location: Fire Warning
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA0955970

## Discrepancy

ON INITIAL CARGO FIRE TEST AFT ARM LIGHT FAILED TO ILLUMINATE AND DETECTOR FAULT ILLUMINATED.  WHILE ISOLATING LOOPS SUBSEQUENT TESTS OK.  REMOVED AFT ARM LIGHT AND CLEANED CONTACTS RESET C/B AND PERFORMED GOOD FUNCTIONAL CHECK IAW AMM 26 16 00 710 801.

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