# SDR UIEA2015081000406

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2015
- Submitted: August 10, 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: 91,944 hours, 16,207 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: PPC120000
- Part serial: 75313
- Condition: Failed
- 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/UIEA2015081000406

## Discrepancy

AFT CARGO FIRE WARNING REF LOG ITEMS M10, 11, 12, 13, 14, 15, 16, 18, 19, 21, 22, 23 & 34.  REPLACED M9422, M9225, M9227 & M9223 SMOKE DETECTORS.  SIGNAL CARD A15 REPLACED.  REPLACED SD CONTROLLER.  ALL OPERATIONS SATISFACTORY.

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