# SDR DXTA2018091401427

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2018
- Submitted: September 24, 2018
- Operation: Air carrier
- Aircraft: [N677QS](https://openairdocs.org/aircraft/N677QS), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605367
- Aircraft time: 12,267 hours, 9,775 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Converter
- Part number: 99145232
- Part serial: 04050740
- Condition: Defective
- Location: Ac Bay
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2018091401427

## Discrepancy

AFTER TAKEOFF CLIMBING THROUGH 10000' WE SHUT DOWN THE APU AND IMMEDIATELY SMELLED A VERY STRONG ODOR OF BURNING OIL OR SOME OTHER CHEMICAL. THE APU RAN FOR ABOUT 45 MINUTES PRIOR WITHOUT ANY ODOR. REMOVED & REPLACED LT & RT OZONE CONVERTERS IAW MM 27-71-00. OPS & LEAK CHK GOOD.

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