Service difficulty report · Heater · Cndair CL604

Difficulty date
July 27, 2009
Submitted
August 3, 2009
Operation
General aviation
Make and model
Cndair CL604
Engine
Ge CF343B
Part
Heater
Part number
307402
Condition
Overheated
Location
Floormat
Stage of operation
IN
How discovered
O
Nature of condition
M, J
Precautionary procedure
H

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

What was found

(CAN) OPERATOR REPORTED AFTER A 4 HR FLIGHT THAT SUITCASES STORED IN BAGGAGE COMPARTMENT ON THE FLOOR JUST INSIDE CARGO NET (RT SIDE) ARE TOO HOT TO TOUCH. ONE SUITCASE HAS SUFFERED HEAT DAMAGE (DAMAGE TO THE CREW SUITCASE HANDLE). MX WIRING VERIFICATION DONE, NO ANOMALY NOTED. BAGGAGE BAY FLOORMAT HEATER SYS TESTED IAW SMM, NO ANOMALY NOTED. BAGGAGE BAY FLOORMAT HEATERS HAVE BEEN DEACTIVATED (GALLEY TOUCH SCREEN CB PULLED) AS A PRECAUTIONARY. AFTER THAT, THE FLOORMAT HEATERS (3X) HAS BEEN REMOVED AND SENT TO MFG FOR INVESTIGATION. OPERATOR FLOORMAT HEATERS HAVE BEEN BENCH TESTED BY MFG, NO ANOMALY NOTED. MFG RELEASED ADVISORY WIRE AW600-21-2323 (JULY 22, 2009) TO THEIR OPERATOR ADVISING ABOUT THIS POSSIBLE CONDITION. AFTER INVESTIGATION, A NEW DESIGN HAS BEEN INTRODUCED TO THE (COMPLETION) LINE, NEW DESIGN CONSIST OF REMOVING 2 OF THE 3 FLOORMAT HEATERS. NEW DESIGN IS ALSO AVAILABLE TO IN-SERVICE ACFT VIA A SERVICE REQUEST FOR PRODUCT SUPPORT ACTION (SRPSA) AS INDICATED IN ADVISORY WIRE.