What was found
DURING CRUISE EICAS STATUS MSG APU OIL QTY CAME ON. DURING DESCENT FOR APPROACH THE APU AUTO SHUTDOWN WITH APU FAULT ON EICAS. FOUND OIL CAP O-RING FLAT AND CRACKED. REPLACED SAME RAN APU NO LEAKS NOTED.
- Difficulty date
- August 7, 2003
- Submitted
- August 26, 2003
- Operation
- Air carrier
- Aircraft
- N179DN
- Make and model
- Boeing 767332
- Aircraft serial
- 25144
- Aircraft time
- 59,278 hours, 9,183 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- O-Ring
- Part number
- 380029817
- Part serial
- P2393
- Condition
- Cracked
- Location
- Oil Cap
- Part time
- 9,899 hours, 8,943 cycles
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- K, J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.