What was found
THE PILOT REPORTED A BURNING SMELL IN CABIN DURING FLIGHT. MAINTENANCE INSPECTED AND FOUND THE HEATER FLOW SWITCH DIRTY. THIS WAS CLEANED AND SUBSEQUENT HEATER RUN-UPS PRODUCED NO FURTHER DEFECTS NOTED.
- Difficulty date
- October 27, 2021
- Submitted
- November 1, 2021
- Operation
- Air carrier
- Aircraft
- N747WS
- Make and model
- Cessna 402CESSNA
- Aircraft serial
- C4020080
- Aircraft time
- 33,814 hours, 18,566 cycles
- System (JASC)
- 2140 · Heating System
- Part
- Switch
- Condition
- Dirty
- Location
- Heater
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.