Service difficulty report · Relay · Beech 300BEECH

Difficulty date
October 1, 2014
Submitted
March 12, 2015
Operation
General aviation
Make and model
Beech 300BEECH
Aircraft time
3,179 hours
Engine
Pwa PT6A60A
Part
Relay
Part number
JCD1N
Condition
Burned
Location
Blower
Part time
2,900 hours
Stage of operation
IN
How discovered
9
Nature of condition
B
Precautionary procedure
K

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

What was found

(CAN) WHILE TROUBLESHOOTING AN UNRELATED AUTO HEAT SNAG, THE MAINTENANCE CREW DISCOVERED THE FORWARD BLOWER RELAY P/N JC-D1N (K136) IN AN OVERHEAT CONDITION. THE RELAY APPEARED BURNT AND WELDED SHUT. THE SOCKET IS ALSO IN POOR CONDITION. THE LOCATION OF THIS RELAY IS IN A HIGH TRAFFIC AREA, JUST PRIOR TO ENTERING THE COCKPIT.