# SDR AALA201610179011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2016
- Submitted: October 19, 2016
- Operation: Air carrier
- Aircraft: [N507AY](https://openairdocs.org/aircraft/N507AY), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 3712
- Aircraft time: 28,876 hours, 9,997 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Spring
- Condition: Defective
- Location: O2 Module
- 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/AALA201610179011

## Discrepancy

LAV L O2 MODULE FAILED TO DEPLOY DURING MANUAL DROP TEST.  INSTALLED NEW TEST BUTTON AND SPRING ON LAV O2 DOOR.  ACCOMPLISHED SUCCESSFUL OP'S CHECK OF MANUAL MASK RELEASE IAW AMM 35-23-00.  THE AIRCRAFT WAS NOT GROUNDED.

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