# SDR UALA2013050703169

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 6, 2013
- Submitted: May 8, 2013
- Operation: Air carrier
- Aircraft: [N447UA](https://openairdocs.org/aircraft/N447UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 836
- Aircraft time: 50,208 hours, 20,300 cycles
- Engine: Iae V2527A5
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Actuator
- Part number: 21209401
- Condition: Failed
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013050703169

## Discrepancy

ROW 24 ABC FAILED O2 MASK DROP CHECK.  SEAT 24 ABC ARE INOP.  NEED ACTUATOR ASSY ON O2 CONTAINER REF CMM 35-21-73A-001C.  REPLACED ACTUATOR PCN 649-2759.  PERFORMED OPERATIONAL CHECK OF MANUAL MASK RELEASE PER AMM 35-23-00-710-001-A.  NO FAULTS.  PLACARD REMOVED.

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