What was found
APU LOST ALL ENGINE OIL DURING OPERATION INTERNAL. NO EXTERNAL OIL LEAK NOTED. MAINTENANCE SHUTDOWN APU. REMOVED AND REPLACED APU IAW MM. OPS AND LEAKS CHECK IS GOOD.
- Difficulty date
- July 16, 2012
- Submitted
- August 10, 2012
- Operation
- Air carrier
- Aircraft
- N225UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30554
- Aircraft time
- 43,799 hours, 5,323 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 4990 · APU Oil System
- Part
- Engine
- Condition
- Failed
- Location
- Apu
- Component
- Apu
- Component part number
- 331500B
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- K
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.