As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHEN LANDING GEAR ONLY EXTENDED HALFWAY. EMERGENCY EXTENSION USED TO EXTEND TO LANDING CONFIGURATION. MOTOR WAS INSTALLED AS AN OVERHAULED UNIT 4.4 HRS PRIOR TO FAILURE. C/B WAS FOUND TRIPPED UNDER CABIN FLOOR. BREAKER RESET AND GEAR CYCLED. MOTOR WAS LABORING TO OPERATE. NEW MOTOR INSTALLED AND GEAR CYCLES CARRIED OUT WITH NO FAULTS FOUND. (TC NR 20061229001)