What was found
MUSTY, DIRTY, SOCK ODOR IN THE COCKPIT, WITH BOTH APU BLEED AND ENGINE BLEEDS DURING ENTIRE FLIGHT. AIRCRAFT WAS GROUNDED. REPLACED THE APU OIL SUMP HEATER IAW AMM 49-96-51 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.
- Difficulty date
- May 18, 2018
- Submitted
- June 5, 2018
- Operation
- Air carrier
- Aircraft
- N721UW
- Make and model
- Airbus A319112
- Aircraft serial
- 1095
- Aircraft time
- 51,587 hours, 29,963 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Heater
- Condition
- Faulted
- Location
- Apu Oil Sump
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.