- Difficulty date
- September 29, 2013
- Submitted
- October 3, 2013
- Operation
- Air carrier
- Make and model
- Boeing 757222
- Aircraft serial
- 25222
- Aircraft time
- 72,664 hours, 26,610 cycles
- Engine
- Pwa PW2037
- Part
- Oxygen Mask
- Part number
- MC1019151
- Part serial
- 17
- Condition
- Damaged
- Location
- Cockpit
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRST OFFICER`S O2 MASK EMERGENCY PRESSURE KNOB BROKEN. SWAPPED OBSERVER'S SEAT 02 MASK TO FIRST OFFICER`S POSITION. FIRST OFFICER`S MASK NOW SERVICEABLE. DEFERRED OBSERVER`S SEAT CONSIDERED INOPERATIVE. REPLACED OBSERVER`S SEAT 02 MASK.