# SDR EIA2007074

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2007
- Submitted: May 8, 2007
- Operation: Air carrier
- Aircraft: [N471EV](https://openairdocs.org/aircraft/N471EV), registered now
- Make and model: Boeing 747273C
- Aircraft serial: 20651
- Aircraft time: 96,383 hours, 22,867 cycles
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Connector
- Part number: 2156646
- Part serial: 595
- Condition: Dirty
- Location: Smoke Detector
- 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/EIA2007074

## Discrepancy

MAIN DECK SMOKE DETECTOR 2B WILL NOT TEST, ITEM DEFERRED PER MEL 26-11.  CLEAN AND RESET CANNON PLUG.  OPS CHECK NORMAL PER MM 26-14-00, DEFERRAL CLEARED.

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