What was found
LANDING GEAR FAILED TO EXTEND ON APPROACH, AND LANDING INTO PIT. THE CREW EXTENDED THE GEAR THROUGH EMERGENCY MEANS, AND LANDED AIRCRAFT WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE HYDRAULIC POWER PACK, AND HYDRAULIC POWER ELECTRICAL RELAY, JACKED AND CYCLED GEAR WITH NO PROBLEMS NOTED. AIRCRAFT WAS RETURNED TO SERVICE. (M)