What was found
LT MAIN GEAR DID NOT INDICATE GREEN. PREFORMED CK LIST AND BLEW GEAR DOWN STILL NO INDICATION. REDUCED POWER BELOW 500 FT AND FULL FLAPS TO CK FOR GEAR WARNING DID NOT GET GEAR WARNING, SO LANDED UNEVENTFUL. FOUND BOTH LT INDICATOR BULBS BURNED OUT. REMOVED AND REPLACED LIGHT BULBS IAW MM 33-10-06. OP CHECKS GOOD. RESET AND SERVICED GEAR EMERGENCY BLOWDOWN BOTTLE IAW MM 12-13-01. PERFORMED SEVERAL SHORT AND FULL CYCLES TO BLEED SYS IAW MM 32-01-00.