Service difficulty report · Valve · Airbus A321231

Difficulty date
October 7, 2026
Submitted
October 11, 2026
Operation
Air carrier
Aircraft
N134AN
Make and model
Airbus A321231
Aircraft serial
6495
Aircraft time
35,628 hours, 13,714 cycles
Part
Valve
Condition
Leaking
Location
Zone 100
Stage of operation
CL
How discovered
O
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.

What was found

AIRCRAFT WAS GROUNDED: DIRTY SOCK ODOR DURING CLIMB THEN AGAIN DURING DESCENT - MAINTENANCE FOUND THE APU OIL LUBE UNIT VALVE ASSEMBLY LEAKING OIL AND REPLACED THE O-RINGS ON THE VALVE ASSEMBLY - A DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM WAS ACCOMPLISHED PER JOB CARD 26L00021014

More about the Airbus A321-231