What was found
OXYGEN MASKS DID NOT DEPLOY AT ROWS 2R, 12R, 16L & 20L DURING PRESSURIZATION EVENT. PERFORMED SATISFACTORY PASSENGER OXYGEN SYS, LATCH MECHANISM MANUAL ACTUATION TEST. ALL OXYGEN MASKS DEPLOYED PROPERLY.
- Difficulty date
- February 1, 2014
- Submitted
- February 3, 2014
- Operation
- Air carrier
- Aircraft
- N409US
- Make and model
- Boeing 737401
- Aircraft serial
- 23879
- Aircraft time
- 68,896 hours, 46,150 cycles
- System (JASC)
- 3520 · Passenger Oxygen System
- Part
- Oxygen Mask
- Condition
- Malfunctioned
- Location
- Cabin
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.