What was found
AIR CON SYSTEM HAD LOW AIR FLOW ON THE GROUND AND IN FLIGHT. DURING CRUISE, THERE WAS A STRONG MOLDY SOCK ODOR FOR THE DURATION OF THE FLIGHT. FOUND A LEAK ON THE OIL COOLER LINES. REPLACED OIL COOLER LINE O-RINGS IAW AMM 49-91-41.
- Difficulty date
- June 5, 2018
- Submitted
- June 7, 2018
- Operation
- Air carrier
- Aircraft
- N916AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29517
- Aircraft time
- 56,383 hours, 22,761 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- O-Ring
- Condition
- Leaking
- Location
- Oil Cooler Line
- Stage of operation
- CR
- How discovered
- V
- Nature of condition
- K, B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.