What was found
AIRCRAFT WAS GROUNDED: DESCENDING THROUGH ABOUT 15,000 FEET, A DIRTY MUST SOCK SMELL WAS NOTED. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU . **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)
- Difficulty date
- April 30, 2023
- Submitted
- May 2, 2023
- Operation
- Air carrier
- Aircraft
- N198UW
- Make and model
- Airbus A320*
- Aircraft serial
- 5444
- Aircraft time
- 33,080 hours, 13,360 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Apu
- Part number
- 38007081
- Part serial
- P3357
- Condition
- Odor
- Location
- Zone 100 - Fuse
- Part time
- 43,276 hours, 23,703 cycles
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.