# SDR 03032905

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 2005
- Submitted: March 31, 2005
- Operation: Air carrier
- Aircraft: [N851FE](https://openairdocs.org/aircraft/N851FE), registered now
- Make and model: Cessna 208B
- Registry model: [Cessna 208B](https://openairdocs.org/model/cessna-208b) (OpenAirDocs)
- Aircraft serial: 208B0166
- Aircraft time: 9,067 hours, 9,217 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Shutoff Valve
- Condition: Contaminated
- Location: Cabin Air
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/03032905

## Discrepancy

DURING CLIMBOUT, OBSERVED A MIST OR CONDENSATION IN COCKPIT & INSIDE OF WINDSCREEN.  PILOT SELECTED WINDSHIELD DEFROST WHICH ACCELERATED RATE OF CONDENSATION.  DESELECTED DEFROST, CABIN HEAT & DONNED EMERGENCY O2.  DECLARED EMERGENCY DUE TO SUSPECTED SMOKE & RETURNED.  STANDING WATER IN CABIN HEATER BOX.  AIRCRAFT OPERATED IN HEAVY WIND & RAINY CONDITIONS DURING BOTH GROUND & FLIGHT TIME.  SERVICEABLE AFTER DRYING WITH COMPRESSED AIR.  MAINTENANCE FOUND WATER IN FWD/AFT DISTRIBUTION BOX & DRIED WITH COMPRESSED AIR.  PERFORMED GROUND RUNS AT MAX HEAT.  NO FURTHER DISCREPANCIES NOTED.  SUSPECT WATER MAY HAVE ENTERED CABIN DURING GROUND TIME (MAIN DOOR OPEN) AND ACCUMULATED IN LEFT & RIGHT PLENUN.

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