<< >> NASA ASRS Report 419023, October 1998

Pilot of a PA31T cheyenne on an EMS part 135 flight on approach and unable to get a green light on the left main gear. Emergency declared and turn away from airport to troubleshoot the problem. Has paramedic change the light bulb and indication ok.

Attributes
ACN	419023
Time
Date	199810
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : sfo
State Reference	CA
Altitude	agl bound lower : 1000 agl bound upper : 1000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : pit
Operator	common carrier : air taxi
Make Model Name	PA-31T-1 Cheyenne I
Flight Phase	landing other
Route In Use	approach : visual
Flight Plan	IFR
Person 1
Affiliation	company : air taxi
Function	flight crew : single pilot
Qualification	pilot : cfi
Experience	flight time last 90 days : 150 flight time total : 6000 flight time type : 600
ASRS Report	419023
Person 2
Affiliation	Other
Function	observation : passenger
Qualification	other other : other
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	flight crew : overcame equipment problem other
Consequence	Other
Supplementary
Air Traffic Incident	other

Narrative:

On parallel visual for runway 28R with a B737 on runway 28L. I had been held at 210 KT speed as long as possible. I waited until last min to configure and couldn't get a green light on the left main. I went around on runway heading, declared an emergency and asked for an altitude and heading free from all of the traffic so that I could figure out the problem. I suspected the gear light had burned out when I pressed it. The paramedic wasn't busy so I asked him to come up and swap the lights while I flew. That's all it was -- a light bulb. I canceled the emergency and landed.

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Original NASA ASRS Text

Title: PLT OF A PA31T CHEYENNE ON AN EMS PART 135 FLT ON APCH AND UNABLE TO GET A GREEN LIGHT ON THE L MAIN GEAR. EMER DECLARED AND TURN AWAY FROM ARPT TO TROUBLESHOOT THE PROB. HAS PARAMEDIC CHANGE THE LIGHT BULB AND INDICATION OK.

Narrative: ON PARALLEL VISUAL FOR RWY 28R WITH A B737 ON RWY 28L. I HAD BEEN HELD AT 210 KT SPD AS LONG AS POSSIBLE. I WAITED UNTIL LAST MIN TO CONFIGURE AND COULDN'T GET A GREEN LIGHT ON THE L MAIN. I WENT AROUND ON RWY HDG, DECLARED AN EMER AND ASKED FOR AN ALT AND HDG FREE FROM ALL OF THE TFC SO THAT I COULD FIGURE OUT THE PROB. I SUSPECTED THE GEAR LIGHT HAD BURNED OUT WHEN I PRESSED IT. THE PARAMEDIC WASN'T BUSY SO I ASKED HIM TO COME UP AND SWAP THE LIGHTS WHILE I FLEW. THAT'S ALL IT WAS -- A LIGHT BULB. I CANCELED THE EMER AND LANDED.

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.