What was found
DURING APPROACH AFTER LANDING GEAR EXTENSION WE RECEIVED NO NOSE DOWN INDICATION. DISCONTINUED APPROACH RECYCLED LANDING GEAR WITH NORMAL OPERATION.NO ASSOCIATED EICAS MESSAGES NOTED. RECIEVED DEBRIEF OF CREW, THEY REPORTED WHILE ON FINAL AND PUTTING GEAR DOWN - NO NOSE GEAR INDICATION, 1ST OFF DEPRESSED SEVERAL TIMES THE NLG LIGHT ASSY AND GOT BACK HALF OF ILLUMINATION, PASSING THRU APPROX 1000 FT, CAPT DID A GO AROUND, ON NEXT APPROACH/FINAL AND LANDING GEAR DOWN ALL LIGHTS WORKED NORMAL. NOTE: THERE WAS NEVER ANY EICAS MESSAGE. I DID A ANNUNCIATION LIGHT TEST AND WAS ABLE TO GET LIGHTS TO FAULT, REPLACED BOTH LAMPS ALL TEST NORMAL, PERFORMED PSEU BITE TEST AND NO FAULTS, NO 90 DAY HISTORY. OK FOR SERVICE. REF FIM 32-09/101 FIG 103 AND AMM 33-16-02-2-0.