# SDR QXEA2019080100301

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2019
- Submitted: August 1, 2019
- Operation: Air carrier
- Aircraft: N422QX
- Make and model: Bombdr DHC8402
- Aircraft serial: 4150
- Aircraft time: 29,323 hours, 31,185 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Duct
- Condition: Odor
- Location: Air Con System
- Stage of operation: DE
- 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/QXEA2019080100301

## Discrepancy

BLEED AIR SMELL VERY STRONG ON DESCENT. REMOVED FROM SERVICE. CDS HAD NO RELATED FAULTS. C/W ODOR CHECKLIST REF FORM  M-744. C/W MCN 62172-01,TROUBLE SHOOTING COMMON SMELLS ON AIRCRAFT. C/W Q400 AMM 21-00-00-160-801, REMOVAL OF ODOR FROM AIR COND. DUCTS.NO NOTICEABLE ORDER DURING GROUND RUNS. A/C OK FOR SERVICE. AIRCRAFT RETURNED TO SERVICE.

---
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.
