# SDR DALA2016082206189

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2016
- Submitted: August 24, 2016
- Operation: Air carrier
- Aircraft: [N586NW](https://openairdocs.org/aircraft/N586NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32987
- Aircraft time: 49,179 hours, 16,435 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Condition: Odor
- Location: Recirculation
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2016082206189

## Discrepancy

ACFT DIVERTED FOR SMOKE ODOR IN FORWARD CABIN AND FLIGHT DECK.  EMERGENCY DECLARED.  CREW OFF UTILITY BUSS AND ODOR SLOWLY DISSIPATED.   REPLACED LEFT RECIRCULATION FAN IAW AMM 21-25-01.  REPLACED LEFT RECIRCULATION FILTER. REPLACED RELAY K415 AND SYSTEM 1 AIR GROUND K124. PERFORMED RESET OF EXHAUST VALVE AND SMOKE SYSTEM. ACFT RETURNED TO SERVICE.

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