Air carrier large transport unable to get full gear extension at OM made a go around until alternate procedure could be completed and gear indicated down and locked.

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Attributes
ACN	194628
Time
Date	199111
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : msp
State Reference	MN
Environment
Flight Conditions	IMC
Light	Dusk
Aircraft 1
Controlling Facilities	tower : msp
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	descent : approach landing : go around
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : flight engineer pilot : commercial pilot : atp pilot : instrument
Experience	flight time last 90 days : 250 flight time total : 7000 flight time type : 2000
ASRS Report	194628
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	flight crew : overcame equipment problem flight crew : declared emergency
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

After gear lowered during ILS approach the right main gear (green) down and locked light did not illuminate. I executed a captain directed missed approach, returned to msp approach control for delaying vectors. The captain and so conducted communication and fom procedures, attained 3 green lights on the gear and the aircraft was returned to the inbound flow and landing executed. No emergency was declared, no assistance was required. In my opinion the situation was handled expertly and all decisions were correct by crew.

Original NASA ASRS Text

Title: ACR LGT UNABLE TO GET FULL GEAR EXTENSION AT OM MADE A GAR UNTIL ALTERNATE PROC COULD BE COMPLETED AND GEAR INDICATED DOWN AND LOCKED.

Narrative: AFTER GEAR LOWERED DURING ILS APCH THE R MAIN GEAR (GREEN) DOWN AND LOCKED LIGHT DID NOT ILLUMINATE. I EXECUTED A CAPT DIRECTED MISSED APCH, RETURNED TO MSP APCH CTL FOR DELAYING VECTORS. THE CAPT AND SO CONDUCTED COM AND FOM PROCS, ATTAINED 3 GREEN LIGHTS ON THE GEAR AND THE ACFT WAS RETURNED TO THE INBOUND FLOW AND LNDG EXECUTED. NO EMER WAS DECLARED, NO ASSISTANCE WAS REQUIRED. IN MY OPINION THE SITUATION WAS HANDLED EXPERTLY AND ALL DECISIONS WERE CORRECT BY CREW.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.