# SDR QXEA2019061700249

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2019
- Submitted: June 17, 2019
- Operation: Air carrier
- Aircraft: N440QX
- Make and model: Bombdr DHC8402
- Aircraft serial: 4347
- Aircraft time: 19,906 hours, 21,288 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: TX
- 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/QXEA2019061700249

## Discrepancy

UPON STARTING THE APU & SELECTING THE BLEED AIR ON, THE FA'S REPORTED A STRONG NATURAL GAS SMELL IN THE CABIN. THE RAMP THEN REPORTED A STRONG GAS SMELL IN THE AFT CARGO PIT.  UPON INSPECTION, THE SAME SMELL WAS NOTED WITH SMELL GETTING WORSE TOWARDS AFT OF THE A/C. ( APU BLEED AIR SYSTEM INOP ). REMOVED FROM SERVICE. PERFORMED REMOVAL OF ODORS FROM AIR CONDITIONING DUCTS. REF -8 400 AMM TASK 21-00-00-160-801 PARA 4B. NO UNUSUAL ODOR IN AFT CABIN OR AFT PIT NOTED. AIRCRAFT RETURNED TO SERVICE.

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