# SDR QXEA200400190

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 5, 2004
- Submitted: March 8, 2004
- Operation: Air carrier
- Aircraft: N416QX
- Make and model: Bombdr DHC8401
- Aircraft serial: 4083
- Aircraft time: 297 hours, 294 cycles
- System (JASC): [2610 · Detection System](https://openairdocs.org/jasc/2610)
- Part: Detector
- Condition: Dirty
- Location: Nr 1 Engine
- Stage of operation: UK
- 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/QXEA200400190

## Discrepancy

FCA - FLIGHT 2449 - WHEN THE ADVISORY TEST IS SELECTED, THE FIRE WARNING BELL IS TRIGGERED.  MAINTENANCE INSPECTED THE SYSTEM AND CLEANED THE PEC ADVANCE PNEUMATIC DETECTOR AT THE NR 1 ENGINE.  OPERATIONAL CHECKS WERE PERFORMED AND WERE GOOD.  THE AIRCRAFT WAS RETURNED TO SERVICE.  NO PARTS WERE REPLACED.

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