- Difficulty date
- July 19, 2019
- Submitted
- July 19, 2019
- Operation
- Air carrier
- Aircraft
- N447QX
- Make and model
- Bombdr DHC8402
- Aircraft serial
- 4364
- Aircraft time
- 19,147 hours, 20,563 cycles
- Part
- Sensor
- Condition
- Malfunctioned
- Location
- Apu
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- A
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU START ABORTED DUE TO RAMP REPORT FLAME FROM EXHAUST ( APU INOP ). RESET APU CB L3. OPS TESTED APU PER AMM 49-00-00-869-801. APU FAILED TO START. RE-ACCOMPLISHED MEL MTX PROCEDURE TO CONTINUE MEL 49-00-1. APU CB L3 IS PULLED/COLLARED. CDS SHOWED 270-0/RUN (DMM TEMP SENSOR) AND 054-2/RUN (IGNITOR PLUG A OPEN) FAULTS. PLACED APU ON MEL 49-00-1.