SDR AALA202412200047

Service difficulty report · Oxygen Mask · Airbus A321231

Difficulty date: December 17, 2024
Submitted: December 20, 2024
Operation: Air carrier
Aircraft: N918US
Make and model: Airbus A321231
Aircraft serial: 6443
Aircraft time: 30,659 hours, 12,596 cycles
System (JASC): 3520 · Passenger Oxygen System
Part: Oxygen Mask
Condition: Unwanted Deploy
Location: Zone 200
Stage of operation: CL
How discovered: O
Nature of condition: O
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT WAS GROUNDED: ON TAKEOFF, O2 MASKS DROPPED AT 16 ABC. AIRCRAFT RETURNED TO FIELD, EMERGENCY DECLARED LANDED WITHOUT INCIDENT. **SUPPLEMENTAL REPORT FOR SDR AALA202412180047.** (CLOSED) MAINTENANCE FOUND O2 MASK UNPROPERLY PACKED, PUSHING DOWN ON CONTAINER DOOR. REPACKED O2 MASKS IAW AMM 35-21-43.

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