What was found
L4 LAVATORY OXYGEN MASK INOPERATIVE. REPLACED PSU ASSY IAW AMM 35-21. OK FOR SERVICE.
- Difficulty date
- September 5, 2025
- Submitted
- September 9, 2025
- Operation
- Air carrier
- Aircraft
- N431DX
- Make and model
- Airbus A330941
- Aircraft serial
- 2073
- Aircraft time
- 4,319 hours, 535 cycles
- System (JASC)
- 3520 · Passenger Oxygen System
- Part
- Oxygen Mask
- Condition
- Inoperative
- Location
- Zone 900
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.