What was found
AIRCRAFT WAS GROUNDED: SWEET AND DIRTY SOCK SMELL IN COCKPIT AND CABIN DURING CLIMB AND DESCENT, DISSIPATED IN CRUISE. REPLACED APU WITH SERVICEABLE UNIT IAW WORKCARD 49-94-11, LEAK AND OPS CHECK GOOD.
- Difficulty date
- December 15, 2021
- Submitted
- January 21, 2022
- Operation
- Air carrier
- Aircraft
- N740UW
- Make and model
- Airbus A319112
- Aircraft serial
- 1265
- Aircraft time
- 55,591 hours, 33,582 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Apu
- Part number
- 38007081WGEN
- Part serial
- 4101
- Condition
- Leaking
- Location
- Aft
- Part time
- 29,198 hours, 16,559 cycles
- Stage of operation
- CL
- How discovered
- 9
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.