# SDR DXTA2013090305491

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 2, 2013
- Submitted: September 25, 2013
- Operation: Air carrier
- Aircraft: [N308QS](https://openairdocs.org/aircraft/N308QS), registered now
- Make and model: Cessna 680CE
- Aircraft serial: 6800116
- Aircraft time: 5,663 hours, 3,807 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Converter
- Part number: 31A4351
- Part serial: 05220637
- Condition: Failed
- Part time: 5,663 hours, 3,807 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2013090305491

## Discrepancy

WHILE RUNNING APU,  NOTICED ODOR LIKE DIRTY SOCK.  AFTER TAKEOFF, NOTICED ODOR LIKE BURNING OIL. NO SMOKE SEEN.  REMOVED AND CLEANED OZONE CONVERTERS REMOVED AND CLEANED HEAT EXCHANGER.  RE-INSTALLED HEAT EXCHANGER, PER NETJETS REPLACED R/H OZONE CONVERTER.  CLEANED DUCTING GOING TO THE COALESCER.  RE-ASSEMBLED RAN ENG'S APU, NO SMELL NOTED.  ALL LEAK CHECKS GOOD.  DONE IAW CE680 MM CHP 21-21-03.

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