What was found
APU EMITS SMOKE FROM TAIL PIPE. OIL QTY RAPIDLY DROPPED TO ZERO. TURBINE BLADE TIP DAMAGE ON OLD APU. REPLACED APU. OPS NORMAL.
- Difficulty date
- September 19, 2008
- Submitted
- September 26, 2008
- Operation
- Air carrier
- Aircraft
- N793UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26946
- Aircraft time
- 48,883 hours, 7,278 cycles
- Engine
- Pwa PW4090
- System (JASC)
- 4920 · APU Core Engine
- Part
- Engine
- Condition
- Failed
- Location
- Apu
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- B
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.