What was found
PDX - FLIGHT 2496 - AT THE GATE BEFORE PUSHBACK, THE APU WAS STARTED, AND UPON SELECTING APU BLEED AIR THE CABIN FILLED WITH BLUE SMOKE. MAINTENANCE PLACED THE APU ON MEL 49-50-1. AIRCRAFT RETURNED TO SERVICE.
- Difficulty date
- January 27, 2008
- Submitted
- February 1, 2008
- Operation
- Air carrier
- Aircraft
- N401QX
- Make and model
- Bombdr DHC8402
- Aircraft serial
- 4031
- Aircraft time
- 16,999 hours, 17,192 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Apu
- Condition
- Smoke
- 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.