# SDR QXEA2010122800939

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2010
- Submitted: December 28, 2010
- Operation: Air carrier
- Aircraft: N426QX
- Make and model: Bombdr DHC8402
- Aircraft serial: 4154
- Aircraft time: 9,241 hours, 10,107 cycles
- Engine: Pwc PW150A
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: NR
- How discovered: 9
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA2010122800939

## Discrepancy

BURNING ODOR COMING FROM BLEEDS AT POWER SETTINGS BELOW 25 PERCENT TQ.  ODOR GRADUALLY DISAPPATES AT HIGHER POWER SETTINGS.  INTEROGATED CDS FOR FAULTS , NONE NOTED.  GROUND RAN BOTH ENGINES, NO ODORS NOTED WITH BLEEDS SELECTED. PERFORMED PURGE OF AC DUCTS IAW DH8-400-SL-21-012A. PERFORMED ENGIINE OIL CHECK, LEVELS OK. COULD NOT DUPLICATE. RETURNED TO SERVICE. NO PARTS REPLACED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
