What was found
DURING MANUAL MASK RELEASE CHECK, DOOR 3FED, 6FED, 8ABC, 11FED, 13FED, 12ABC, 15DEF, 20DEF, 21D, 23ABC, AND 34ABC DID NOT OPEN. REMOVED AND REPLACED DROP MECHANISM ON DOORS.
- Difficulty date
- January 23, 2009
- Submitted
- February 10, 2009
- Operation
- Air carrier
- Aircraft
- N588NK
- Make and model
- Airbus A321231
- Aircraft serial
- 2590
- Aircraft time
- 11,717 hours, 4,817 cycles
- System (JASC)
- 3520 · Passenger Oxygen System
- Part
- Mechanism
- Condition
- Malfunctioned
- Location
- O2 Door
- 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.