# SDR SWAA2014011524074

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2014
- Submitted: January 15, 2014
- Operation: Air carrier
- Aircraft: N649SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 27719
- Aircraft time: 53,497 hours, 42,563 cycles
- System (JASC): [2916 · Hydraulic Reservoir, Main](https://openairdocs.org/jasc/2916)
- Part: Module
- Part number: 7321124002
- Part serial: 68279
- Condition: Faulty
- Location: Hydraulic Sys
- Stage of operation: UK
- 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/SWAA2014011524074

## Discrepancy

AIR TURN BACK, DECLARED EMERGENCY ON DEPARTURE, FLIGHT ATTENDANT REPORTED SMOKE & FUMES IN CABIN, PERFORMED QRH.  DURING QRH PROCEDURES, SMOKE DISSIPATED AFTER PACK SELECTED OFF.  RETURNED TO DTW.  R & R HYD RESERVOIR  AIR PRESSURE MODULE & LT COALESCENT BAG IAW MM.

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