As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING A PREFLIGHT CHECK THE PILOT COULD NOT OPERATE THE PITCH TRIM AND FOUND THE BREAKER CHANNEL NR 2 POP OUT. AFTER THE INVESTIGATION BY THE AME HE FOUND THAT THE BUNDLE WIRES THAT GOES ON THE CANNON PLUG P8CD ATTACH TO THE TRANSIENT SUPPRESSOR BOX WAS CUT, BURNED, AND MELTED AT THE CLAMP ATTACHMENT.