What was found
DURING FREON AIR-CONDITIONING OPERATION THE 125 AMP CIRCUIT BREAKER CONTACTS BURNT CLOSED AND BURNED A HOLE THROUGH THE OUTER PROTECTIVE BODY OF THE CIRCUIT BREAKER.
- Difficulty date
- July 26, 2021
- Submitted
- August 5, 2021
- Operation
- Air carrier
- Aircraft
- N74AX
- Make and model
- Pilats PC12
- Aircraft serial
- 149
- Aircraft time
- 12,139 hours, 13,366 cycles
- System (JASC)
- 2197 · Air Conditioning System Wiring
- Part
- Circuit Breaker
- Part number
- 9725518322
- Condition
- Burned
- Location
- A/C Pack
- Part time
- 2,995 hours, 3,597 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.