What was found
FIRST OBSERVER OXYGEN MASK RED SWITCHES ARE STICKING. REPLACED STOWAGE BOX ASSY FOR OXYGEN MASK AT FIRST OBSERVER, IAW AMM 35-11-18 AND PERFORMED TEST, NO LEAK FOUND. OK FOR SERVICE.
- Difficulty date
- June 24, 2013
- Submitted
- July 25, 2013
- Operation
- Air carrier
- Aircraft
- N216UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30549
- Aircraft time
- 54,345 hours, 6,775 cycles
- Engine
- Pwa PW4090
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Switch
- Condition
- Sticking
- Location
- Oxygen Mask
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.