What was found
LANDING GEAR WOULD NOT EXTEND UNTIL PILOT OPENED BYPASS VALVE TO USE EMERGENCY HAND PUMP. GEAR FELL TO DOWN POSITION, BUT WOULD NOT EXTEND AND LOCK. A GEAR-UP LANDING WAS MADE WITH EXTENSIVE DAMAGE TO AIRCRAFT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LANDING GEAR WOULD NOT EXTEND UNTIL PILOT OPENED BYPASS VALVE TO USE EMERGENCY HAND PUMP. GEAR FELL TO DOWN POSITION, BUT WOULD NOT EXTEND AND LOCK. A GEAR-UP LANDING WAS MADE WITH EXTENSIVE DAMAGE TO AIRCRAFT.