What was found
DURING MX PREFLIGHT; CAPTAINS O2 MASK FAILS "PRESS TO TEST." REPLACED CAPT'S FULL FACE O2 MASK IAW B757 AMM CH. REF. LISTED ABOVE. OPS AND LEAK CKS GOOD. A/C OK FOR SERVICE.
- Difficulty date
- August 21, 2026
- Submitted
- August 24, 2026
- Operation
- Air carrier
- Aircraft
- N928FD
- Make and model
- Boeing 75728A
- Aircraft serial
- 24369
- Aircraft time
- 101,970 hours, 34,253 cycles
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Mask
- Part number
- MF20108
- Part serial
- 79402
- Condition
- No Test
- 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.