Gear green light for right main gear off.

Attributes
ACN	267405
Time
Date	199404
Day	Fri
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : sfo
State Reference	CA
Altitude	msl bound lower : 1500 msl bound upper : 1500
Environment
Flight Conditions	Mixed
Light	Night
Aircraft 1
Controlling Facilities	tracon : oak tower : sfo
Operator	common carrier : air carrier
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	descent : approach landing : go around
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : flight engineer pilot : instrument pilot : private pilot : atp
Experience	flight time last 90 days : 180 flight time total : 5000 flight time type : 180
ASRS Report	267405
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : less severe
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	aircraft : equipment problem dissipated controller : issued new clearance flight crew : overcame equipment problem
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

On the ILS 19L sfo, landing gear lever was selected to the down position. The red light for the right main landing gear came on and went off. Normal indication. The gear green light for the right main gear remained off. The landing gear was cycled up and down and the same indication was observed. A go around was performed. The landing gear was cycled 2 more times. After the second cycling of the landing gear, normal indication of the landing gear being down and locked. The landing gear was left down for the remainder of the flight. Another approach was made to land on runway 19L, sfo.

Original NASA ASRS Text

Title: GEAR GREEN LIGHT FOR R MAIN GEAR OFF.

Narrative: ON THE ILS 19L SFO, LNDG GEAR LEVER WAS SELECTED TO THE DOWN POS. THE RED LIGHT FOR THE R MAIN LNDG GEAR CAME ON AND WENT OFF. NORMAL INDICATION. THE GEAR GREEN LIGHT FOR THE R MAIN GEAR REMAINED OFF. THE LNDG GEAR WAS CYCLED UP AND DOWN AND THE SAME INDICATION WAS OBSERVED. A GAR WAS PERFORMED. THE LNDG GEAR WAS CYCLED 2 MORE TIMES. AFTER THE SECOND CYCLING OF THE LNDG GEAR, NORMAL INDICATION OF THE LNDG GEAR BEING DOWN AND LOCKED. THE LNDG GEAR WAS LEFT DOWN FOR THE REMAINDER OF THE FLT. ANOTHER APCH WAS MADE TO LAND ON RWY 19L, SFO.

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.