What was found
RETURNED DUE TO SMOKE IN THE AFT CABIN. MAINTENANCE FOUND APU INLET CONTAMINATED WITH OIL. MAINTENANCE FOUND OIL CAP OFF. CLEANED APU INLET AND DUCTS AND COMPLIED WITH DUCT BURNOUT. AIRCRAFT WAS RETURNED TO SERVICE.
- Difficulty date
- July 16, 2016
- Submitted
- July 18, 2016
- Operation
- Air carrier
- Aircraft
- N933DL
- Make and model
- Doug MD88
- Aircraft serial
- 49720
- Aircraft time
- 71,716 hours, 53,826 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Oil Cap
- Condition
- Detached
- Location
- Apu
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- W, K, B
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.