What was found
F/O O2 MASK WILL NOT TEST PROPERLY. REPLACED F/O MASK ASSY.
- Difficulty date
- June 16, 2012
- Submitted
- July 6, 2012
- Operation
- Air carrier
- Aircraft
- N211UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30217
- Aircraft time
- 43,693 hours, 9,510 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Mask
- Part number
- MF20003
- Part serial
- 209
- Condition
- No Test
- 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.