What was found
PILOT REPORTED THE AUXILIARY CABIN FAN SWITCH FELT HOT WITH A BURNING SMELL AND NOTED SPARKS. COMPANY MAINTENANCE INSPECTED AND FOUND A BURNT WIRE TERMINAL. THE TERMINAL WAS REPLACED WITH NO FURTHER DEFECTS NOTED.
- Difficulty date
- October 8, 2025
- Submitted
- October 10, 2025
- Operation
- Air carrier
- Aircraft
- N223PB
- Make and model
- Cessna 402C
- Aircraft serial
- 402C0105
- Aircraft time
- 41,418 hours, 41,289 cycles
- System (JASC)
- 2197 · Air Conditioning System Wiring
- Part
- Switch
- Condition
- Shorted
- Location
- Zone 200
- 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.