Unsafe gear indication on final approach.

Attributes
ACN	109713
Time
Date	198904
Day	Thu
Local Time Of Day	0001 To 0600
Place
Locale Reference	atc facility : yip
State Reference	MI
Altitude	msl bound lower : 1500 msl bound upper : 1500
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tower : yip
Operator	general aviation : corporate
Make Model Name	Medium Large Transport
Flight Phase	cruise other descent : approach landing other
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : first officer
Qualification	pilot : flight engineer pilot : instrument pilot : cfi pilot : commercial
Experience	flight time last 90 days : 150 flight time total : 4000 flight time type : 3200
ASRS Report	109713
Person 2
Affiliation	Other
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other flight crewa
Resolutory Action	flight crew : overcame equipment problem flight crew : declared emergency
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

Extended gear on approach to yip. Unable to get 3 green lights on gear (no left main green light). Made 3 low passes over runway to confirm visibility with tower. On third pass left main gear extended, verified with green light and also engineer visibility verified, plus pilot in an aircraft on the ground verified along with firemen observing the situation. Also tower confirmed the gear was down. Aircraft was landed without incident.

Original NASA ASRS Text

Title: UNSAFE GEAR INDICATION ON FINAL APCH.

Narrative: EXTENDED GEAR ON APCH TO YIP. UNABLE TO GET 3 GREEN LIGHTS ON GEAR (NO LEFT MAIN GREEN LIGHT). MADE 3 LOW PASSES OVER RWY TO CONFIRM VIS WITH TWR. ON THIRD PASS LEFT MAIN GEAR EXTENDED, VERIFIED WITH GREEN LIGHT AND ALSO ENGINEER VIS VERIFIED, PLUS PLT IN AN ACFT ON THE GND VERIFIED ALONG WITH FIREMEN OBSERVING THE SITUATION. ALSO TWR CONFIRMED THE GEAR WAS DOWN. ACFT WAS LANDED WITHOUT INCIDENT.

Data retrieved from NASA's ASRS site as of August 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.