What was found
APU FAILED AUX CIRCUIT BREAKER N-8 TRIPPED. MX INSPECTED FIRE BOTTLE STILL CHARGED. NO OBVIOUS DEFECTS OR DAMAGE NOTED. R & R APU START CONTACTOR, RESET CIRCUIT BREAKER N8. OPS CHECKED GOOD. FOUND CONTACTOR SHORTED.
- Difficulty date
- July 8, 2013
- Submitted
- July 9, 2013
- Operation
- Air carrier
- Aircraft
- N839EX
- Make and model
- Dhav DHC8102
- Aircraft serial
- 226
- Aircraft time
- 52,581 hours, 59,289 cycles
- System (JASC)
- 4997 · APU System Wiring
- Part
- Contactor
- Part number
- AJA4N176
- Condition
- Shorted
- Stage of operation
- TX
- 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.