# SDR P5CA0701526

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2007
- Submitted: July 10, 2007
- Operation: Air carrier
- Aircraft: [N452PA](https://openairdocs.org/aircraft/N452PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30810
- Aircraft time: 27,997 hours, 4,790 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Unknown
- Condition: Unknown
- Location: Fire Detection
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0701526

## Discrepancy

MASTER WARNING AND FIRE BELL INTERMITTENT ON TAXI IN.  AFTER ENGINE SHUTDOWN AND APU POWER ONLINE THE PROBLEM CEASED.  PERFORMED FIRE WARNING SYSTEM OPERATIONAL CHECKS WITH NO DEFECTS NOTED.

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