Service difficulty report · Contactor · Cndair CL6002B19

Difficulty date
December 14, 2005
Submitted
June 6, 2006
Operation
General aviation
Make and model
Cndair CL6002B19
Engine
Ge CF343B1
Part
Contactor
Condition
Burned
Location
Avoinic Bay
Stage of operation
DE
How discovered
O
Nature of condition
G
Precautionary procedure
O

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

What was found

PILOT EXPLAINED THAT AT ABOUT 24,000 FEET BEGAN EXPERIENCING ELECTRICAL FAILURES AND LOST AC BUS 2 AND GEN 2. DURING ATTEMPT TO RESET GEN 2 AND BUS 2 HE BEGAN LOSING GEN 1 AND BUS 1 AT THIS TIME PROBABLY AFTER LOSING ESSENTIAL BUS ADG DEPLOYED. AFTER TALKING WITH MAINT CONTROL WAS ABLE TO RESET GEN 2 AND REGAIN AC BUS 2 WAS NOT ABLE TO RESET GEN 1 OR AC BUS 1 AND DID NOT ATTEMPT TO START THE APU. UPON INSPECTION ON THE GRD, DID NOT FIND ANY IRREGULARITIES WITH EITHER OF THE ENGINE GENERATORS. DURING AN INSPECTION OF THE AVIONICS BAY THE CONTACTORS ON THE LEFT SIDE OF THE AVIONICS BAY WERE DAMAGED BEYOND RECOGNITION AND THERE WAS HEAVY SMOKE AND SOME HEAT DAMAGE.