What was found
DURING COCKPIT OXY MASK INSPECTION FOUND F/O OXY MASK WITH EXP DATE: 2025-09(SEP)-19. CORRECTIVE ACTION: REPLACED MASK ASSY PER A330 AMM 35-12-41. (1875660) AIRCRAFT WAS GROUNDED.
- Difficulty date
- October 20, 2026
- Submitted
- October 20, 2026
- Operation
- Air carrier
- Aircraft
- N827NW
- Make and model
- Airbus A330302
- Aircraft serial
- 1716
- Aircraft time
- 42,121 hours, 5,349 cycles
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Mask
- Part number
- 174690M7
- Part serial
- 46742
- Condition
- Expired
- Location
- Zone 200
- Part time
- 27,771 hours, 3,515 cycles
- 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.