# SDR UIEA2012101200469

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2012
- Submitted: October 12, 2012
- Operation: Air carrier
- Aircraft: N497MC
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29258
- Aircraft time: 57,948 hours, 9,028 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Condition: Failed
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2012101200469

## Discrepancy

STATUS MESSAGE CARGO FIRE MAIN DECK LOOP B, FAILED.  R & R MAIN DECK SMOKE DETECTOR 7B IAW MM 26-14-01, OPS CK OK IAW MM 26-14-001.

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