What was found
#2 OXYGEN MASK MIKE IS INOP. SUPPLEMENTAL DATA UPDATE MASK ASSY FOUND DEFECTIVE. REPLACED 1ST OFFICER'S OXY MASK ASSY. OP CHKS NORMAL.
- Difficulty date
- December 29, 2009
- Submitted
- January 4, 2010
- Operation
- Air carrier
- Aircraft
- N586UA
- Make and model
- Boeing 757222
- Aircraft serial
- 26710
- Aircraft time
- 54,961 hours, 19,404 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Mask
- Part number
- MC1019151
- Part serial
- 898
- Condition
- Defective
- 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.