What was found
O2 MASK IN UPPER CREW REST BUNK DID NOT DROP
- Difficulty date
- April 28, 2026
- Submitted
- April 28, 2026
- Operation
- Air carrier
- Aircraft
- N774CK
- Make and model
- Boeing 777F1H
- Aircraft serial
- 66084
- Aircraft time
- 30,498 hours, 4,200 cycles
- System (JASC)
- 3520 · Passenger Oxygen System
- Part
- Oxygen Mask
- Condition
- No Deploy
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.