# SDR EIA2007031

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2007
- Submitted: April 9, 2007
- Operation: Air carrier
- Aircraft: [N471EV](https://openairdocs.org/aircraft/N471EV), registered now
- Make and model: Boeing 747273C
- Aircraft serial: 20651
- Aircraft time: 96,101 hours, 22,811 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: Malfunctioned
- Location: Cargo Bay
- 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/EIA2007031

## Discrepancy

MAIN CARGO SMOKE DETECTOR 1A FAILED TEST.  DEFFERED PER MEL 26-11.  UNABLE TO DUPLICATE, SYSTEM OPS CHK GOOD PER MM 31-20-00.

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