What was found
FO EMERGENCY PRESS TO TEST BUTTON OXYGEN MASK IS LEAKING. R & R FO CREW O2 MASK PER A320 AMM 35-12 OP CKS GOOD AC OK FOR SVC. (LP: 8285974)
- Difficulty date
- March 6, 2026
- Submitted
- March 10, 2026
- Operation
- Air carrier
- Aircraft
- N356NW
- Make and model
- Airbus A320212
- Aircraft serial
- 818
- Aircraft time
- 80,478 hours, 38,074 cycles
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Mask
- Part number
- MF100511
- Part serial
- B120355
- Condition
- Leaking
- Location
- Zone 200
- Part time
- 23,414 hours, 10,761 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.