As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH PILOT SELECTED LG HANDLE TO EXTEND POSITION, THE RED IN TRANSIT LIGHT DID NOT ILLUMINATE & LG RELAY CB POPPED. PILOT RESET CB & CYCLED LG HANDLE WITH THE SAME RESULTS. PILOT NOTIFIED TOWER OF INCIDENT, PERFORMED AN EMER EXTENSION OF LG & LANDED WITHOUT FURTHER INCIDENT. TROUBLESHOOTING REVEALED FAULTY HYD POWER PACK MOTOR. R & R HYD POWER PACK MOTOR WITH SERVICEABLE UNIT. ALL OPERATIONAL CHECKS WERE NORMAL.