What was found
AIRCRAFT WAS GROUNDED: REF MIC 1658268 DURING OPS CHECK OF MANUAL MASK RELEASE, O2 MASKAT SEAT 9LH FAILED TO DEPLOY. REF AMM 35-23-00-710-001-A. MAINTENANCE REMOVED AND REINSTALLED 9LH DROP ACTUATOR IAW AMM 35-21-41.
- Difficulty date
- November 6, 2025
- Submitted
- November 10, 2025
- Operation
- Air carrier
- Aircraft
- N117UW
- Make and model
- Airbus A320214
- Aircraft serial
- 1224
- Aircraft time
- 72,038 hours, 36,479 cycles
- System (JASC)
- 3520 · Passenger Oxygen System
- Part
- Actuator
- Condition
- No Test
- Location
- Zone 200
- 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.