What was found
AT GATE, BLUE SMOKE FROM APU TAIL PIPE; COCKPIT INDICATION SHOWED APU OIL QUANTITY DROPPING RAPIDLY; APU THEN AUTO-SHUTDOWN. R & R APU BATTERY IAW AMM 24-31-04. R & R APU BATTERY CHARGER IAW AMM 24-13-05.
- Difficulty date
- May 19, 2012
- Submitted
- May 21, 2012
- Operation
- Air carrier
- Aircraft
- N640GT
- Make and model
- Boeing 7673S1
- Aircraft serial
- 25221
- Aircraft time
- 68,961 hours, 14,571 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Apu
- Condition
- Smoke
- Stage of operation
- TX
- How discovered
- V
- Nature of condition
- B, J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.