# SDR UIEA2015072800376

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2015
- Submitted: July 30, 2015
- Operation: Air carrier
- Aircraft: [N473MC](https://openairdocs.org/aircraft/N473MC), registered now
- Make and model: Boeing 747-45E
- Registry model: [Boeing 747-45E](https://openairdocs.org/model/boeing-747-45e) (OpenAirDocs)
- Aircraft serial: 27174
- Aircraft time: 91,849 hours, 16,190 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Warning
- Condition: False Activation
- Location: Cargo Bay
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: F
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2015072800376

## Discrepancy

AFT CARGO FIRE DURING FINAL.  RAN QRH PROCEDURES, CVR PULLED.   REMOVED FOUR EACH FORWARD CARGO FIRE BOTTLES AMM 26-23-00.  CARGO LOWER AFT COMPARTMENT FIRE SYSTEM IAW FIM 26-16 TASKS,  DETERMINED TO BE A FALSE FIRE WARNING.  NO EVIDENCE OF SMOKE OR FIRE FOUND.  SMOKE DETECTOR SYSTEM CHECKED NORMAL IAW AMM 26-16-00.  FIRE EXTINGUISHER SYSTEM CHECKED NORMAL IAW AMM 26-23-00.

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