What was found
FLIGHT 2215. APU FAILED TO START, FLAME CAME OUT OF THE TAIL ON START ATTEMPT. PLACED THE APU ON MEL 49-00-1. CLEARED ON 9/28 BY REPLACING THE APU EXCITER AND IGNITER "B". OPERATIONAL CHECKS GOOD. RETURNED TO SERVICE. (K)
- Difficulty date
- September 24, 2008
- Submitted
- October 29, 2008
- Operation
- Air carrier
- Aircraft
- N421QX
- Make and model
- Bombdr DHC8402
- Aircraft serial
- 4149
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Exciter
- Part number
- 4951070
- Part serial
- 07201490
- Condition
- Failed
- Location
- Apu
- Part time
- 2,191 hours, 2,323 cycles
- 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.