# SDR ASAA0956003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 2009
- Submitted: June 24, 2009
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 11,407 hours, 3,248 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Part number: 4735975
- Condition: Dirty
- Location: Aft Cargo Bay
- Stage of operation: TX
- 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/ASAA0956003

## Discrepancy

DURING CARGO FIRE TEST AFT LIGHT WASN’T ILLUMINATED.  GROUNDED YES. FOUND LOOP B2 FAULTED.  CLEANED WITH AIR ALL B LOOPS. PLACED SELECTOR TO BOTH AND TESTED CARGO SMOKE DETECTION OPS TEST PASS REF MM 26 16 01 100 801 AND 26 16 00 710 801.

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