# SDR IPXA12M75572

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2012
- Submitted: October 1, 2012
- Operation: Air carrier
- Aircraft: N279UP
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48573
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Controller
- Part number: 4059027903
- Part serial: 91010228
- Condition: False Activation
- Location: Smoke Detection
- Stage of operation: CL
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA12M75572

## Discrepancy

SMOKE INDICATION FROM MAIN CABIN.  EMERGENCY DECLARED.  R & R MISCELLANEOUS SYS CONTROLLER REF MM 31-42-01. PERFORMED RTS TEST OF MISCELLANEOUS SYS CONTROLLER SYS CHECK OK.

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