# SDR 2011FA0000093

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2011
- Submitted: February 11, 2011
- Operation: General aviation
- Aircraft: [N99KE](https://openairdocs.org/aircraft/N99KE), registered now
- Make and model: Cirrus SR22
- Registry model: [Cirrus SR22](https://openairdocs.org/model/cirrus-design-sr22) (OpenAirDocs)
- Aircraft serial: 2303
- Engine: Cont IO550N
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Module
- Part number: 100N21281
- Condition: Failed
- Location: Oxygen Sys
- Part time: 279 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2011FA0000093

## Discrepancy

THE OXYGEN SYS WOULD NOT TURN ON IN FLIGHT BUT WORKED ON THE GROUND.  REMEDY WAS TO REPLACE THE SWITCH, WIRE HARNESS, AND LOGIC MODULE.

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