# SDR P5CA2015031100016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2015
- Submitted: March 11, 2015
- Operation: Air carrier
- Aircraft: [N857GT](https://openairdocs.org/aircraft/N857GT), registered now
- Make and model: Boeing 747-87UF
- Registry model: [Boeing 747-87UF](https://openairdocs.org/model/boeing-747-87uf) (OpenAirDocs)
- Aircraft serial: 37568
- Aircraft time: 13,560 hours, 2,423 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Warning
- Condition: False Activation
- Stage of operation: CR
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA2015031100016

## Discrepancy

TWO TIMES DURING CRUISE FIRE BELL SOUNDED 1-2 SECONDS; NO FIRE OR SMOKE INDICATIONS, NO EICAS WARNING, ALERT OR FIRE LIGHTS.  NO FAULTS NOTED IN CMC.  RAN CMC GROUND TEST FIRE PROTECTION. TEST PASSED AND OPS CHECK NORMAL. REF AMM 26-11-00.

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