SDR QXEA2019102100390

Service difficulty report · Unknown · Bombdr DHC8402

Difficulty date: October 18, 2019
Submitted: October 21, 2019
Operation: Air carrier
Aircraft: N437QX
Make and model: Bombdr DHC8402
Aircraft serial: 4240
Aircraft time: 23,335 hours, 25,121 cycles
System (JASC): 2120 · Air Distribution System
Part: Unknown
Condition: Odor
Location: Cabin
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

BURNING ELECTRICAL SMELL NOTED IN THE FLIGHT DECK DURING FAILED FUNCTIONAL TEST OF THE AIRFRAME PNEUMATIC DEICING SYSTEM (Q400 AMM TASK 30-11-00-720-801). C/W FUNCTIONAL TEST OF AIRFRAME PNEUMATIC DEICING SYSTEM IAW Q400 AMM TASK 30-11-00-720-801 WITH WARDROBE AND FLIGHT DECK DOOR REMOVED AND TECH SERVICES ON BOARD. FUNCTIONAL TEST PASSED AND NO UNUSUAL SMELLS NOTED. SUSPECT COMPRESSOR WASH CROSS CONTAMINATION TO BE THE MISTAKE SOURCE OF UNUSUAL SMELL. NFDN.