What was found
FIRST OFFICER'S OXYGEN MASK QUICK DONNING LEVER BROKE ON DEPLOYMENT, CAUSING CONTINUOUS FLOW OF OXYGEN. MAINTENANCE REMOVED AND REPLACED F/O'S OXYGEN MASK.
- Difficulty date
- April 3, 2012
- Submitted
- April 4, 2012
- Operation
- Air carrier
- Aircraft
- N173US
- Make and model
- Airbus A321211
- Aircraft serial
- 1481
- Aircraft time
- 38,875 hours, 14,055 cycles
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Mask
- Part number
- MF100511
- Part serial
- 47776
- Condition
- Broken
- Location
- Cockpit
- Part time
- 48,147 hours, 19,278 cycles
- 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.