# SDR ASOA201000179

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 2010
- Submitted: February 11, 2010
- Operation: Air carrier
- Aircraft: [N848AS](https://openairdocs.org/aircraft/N848AS), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7339
- Aircraft time: 25,710 hours, 21,669 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Check Valve
- Condition: Failed
- Location: Cabin Air
- Stage of operation: CL
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASOA201000179

## Discrepancy

RIGHT AFTER TAKEOFF,  F/A CALLED REPORTING SMOKE IN CABIN.  SHORTLY AFTER RECEIVED SMOKE TOILET CAUTION -  STARTED TO RUN QRH AND CAUTION EXTINGUISHED  -  SMOKE SLOWLY CLEARED UP - RETURNED TO DEPARTURE. (ACFT RETURNED TO DEPARTURE AFTER T/O -- TOWER DECLARED AN EMERGENCY AS A PRECAUTION).  R & R RT ENG BLEED AIR CK VALVE.  RAN ENG AND BLEEDS 3 TIMES.  NO FURTHER DISCREPANCIES NOTED.  IAW AMM 36-11-31.

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