Service difficulty report · Diode · Dhav DHC8102

Difficulty date
May 1, 2012
Submitted
September 14, 2015
Operation
General aviation
Make and model
Dhav DHC8102
Aircraft time
49,312 hours
Engine
Pwa PW120A
Propeller
Hamstd 14SF7
Part
Diode
Part number
CSP3259
Condition
Burned
Location
Nr 1 Relay Panel
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

(CAN) DURING HEAVY MAINTENANCE, VISUAL INSPECTION DIODE 3261-CR2 WAS FOUND BURNED IN HALF. THIS DIODE SUPPLIES DUPLICATE POWER FOR THE LANDING GEAR SYS. IT A LARGE DIODE PROTECTED BY HEAT SHRINK. NO FUNCTION THAT WOULD HAVE INDICATED THIS DIODE WAS FAULTY.