<< >> NASA ASRS Report 223896, October 1992

Light transport air carrier flight crew experience a non resolved gear indication and can't get any ideas from maintenance.

Attributes
ACN	223896
Time
Date	199210
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : lex
State Reference	KY
Altitude	agl bound lower : 300 agl bound upper : 2000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : lex tracon : iad
Operator	common carrier : air carrier
Make Model Name	Light Transport, Low Wing, 2 Turboprop Eng
Navigation In Use	Other Other
Flight Phase	climbout : initial climbout : intermediate altitude climbout : takeoff
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 230 flight time total : 12000 flight time type : 7000
ASRS Report	223896
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	aircraft equipment problem : less severe other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	none taken : unable
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

When gear retracted, landing gear lights went out but position disagreement light in handle stayed on. All other indications were that gear was up. After recycling as per procedure, light was still on and we immediately contacted maintenance by radio (cvg is close enough to do this directly) for any ideas. They were unable to provide any solution. Due to the fact we were already so close to cvg, and were close enough for approach and landing check, we extended the gear normally and proceeded to cvg. No problems further. I think that acrs should try to promote additional and better methods of aircraft/maintenance communications. Even though our contact didn't help, we only reached maintenance because we were close to base. Reaching them from further away could involve more complex (and time-consuming) procedures that could cause problems in time-critical situations where maintenance help could be useful.

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Original NASA ASRS Text

Title: LTT ACR FLC EXPERIENCE A NON RESOLVED GEAR INDICATION AND CAN'T GET ANY IDEAS FROM MAINT.

Narrative: WHEN GEAR RETRACTED, LNDG GEAR LIGHTS WENT OUT BUT POS DISAGREEMENT LIGHT IN HANDLE STAYED ON. ALL OTHER INDICATIONS WERE THAT GEAR WAS UP. AFTER RECYCLING AS PER PROC, LIGHT WAS STILL ON AND WE IMMEDIATELY CONTACTED MAINT BY RADIO (CVG IS CLOSE ENOUGH TO DO THIS DIRECTLY) FOR ANY IDEAS. THEY WERE UNABLE TO PROVIDE ANY SOLUTION. DUE TO THE FACT WE WERE ALREADY SO CLOSE TO CVG, AND WERE CLOSE ENOUGH FOR APCH AND LNDG CHK, WE EXTENDED THE GEAR NORMALLY AND PROCEEDED TO CVG. NO PROBLEMS FURTHER. I THINK THAT ACRS SHOULD TRY TO PROMOTE ADDITIONAL AND BETTER METHODS OF ACFT/MAINT COMS. EVEN THOUGH OUR CONTACT DIDN'T HELP, WE ONLY REACHED MAINT BECAUSE WE WERE CLOSE TO BASE. REACHING THEM FROM FURTHER AWAY COULD INVOLVE MORE COMPLEX (AND TIME-CONSUMING) PROCS THAT COULD CAUSE PROBLEMS IN TIME-CRITICAL SITUATIONS WHERE MAINT HELP COULD BE USEFUL.

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.