# SDR ASAA1058408

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 18, 2010
- Submitted: October 29, 2010
- Operation: Air carrier
- Aircraft: [N592AS](https://openairdocs.org/aircraft/N592AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35190
- Aircraft time: 10,261 hours, 3,385 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Handle
- Part number: 66207091
- Condition: Dirty
- Location: Rt Mlg Ww
- 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/ASAA1058408

## Discrepancy

NR 1 ENGINE FIRE/OVERHEAT (FIRE HANDLE) WILL NOT ILLUMINATE DURING FIRE/OVERHEAT TEST.  FAULT LIGHT IS ILLUMINATED DURING FIRE/OVERHEAT TEST.  ALL SWITCHES POSITIONED TO "NORMAL".  FIRE DET MOD.  BITE REVEALED NR 1 ENG B-LOOP FAULT.  CYCLED FIRE HANDLE IN RIGHT MLG W/W HANDLE MECHANISM APPEARED DIRTY.  CLEANED HANDLE.  "B" LOOP FAULT CLEARED.  RAN ENGINE FIRE DETECTION OPERATIONAL TEST SEE MM 26 11 00 710 801.  NO HISTORY PAST 60 DAYS.

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