What was found
FIRST OFFICER`S OXYGEN MASK MIC APPEARS INOPERATIVE. REPLACED MASK, OPERATIONS CHECKED NORMAL.
- Difficulty date
- November 6, 2013
- Submitted
- November 8, 2013
- Operation
- Air carrier
- Aircraft
- N771UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26932
- Aircraft time
- 72,719 hours, 12,977 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 3520 · Passenger Oxygen System
- Part
- Oxygen Mask
- Part number
- MF20003
- Part serial
- 137
- Condition
- Faulty
- Location
- Cockpit
- 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.