<< >> NASA ASRS Report 80113, January 1988

Atx small transport got gear red warning light on approach to nome. Pilot was uable to extend gear normally and had to use emergency extend procedure.

Attributes
ACN	80113
Time
Date	198801
Day	Mon
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : ome
State Reference	AK
Altitude	msl bound lower : 0 msl bound upper : 2000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air taxi
Make Model Name	Small Transport, Low Wing, 2 Recip Eng
Flight Phase	cruise other descent other
Flight Plan	VFR
Person 1
Affiliation	company : air taxi
Function	flight crew : single pilot
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 11000
ASRS Report	80113
Person 2
Function	flight crew : single pilot
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : less severe
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	flight crew : overcame equipment problem
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Selected gear down and did not work. Discuss over radio with comp maintenance. Recycle and reset master switch and breakers. Still no gear down. Slowed to 115 KT. Gear down on selector, pull hydraulic breaker, use emergency blow down bottle per checklist. Got three green lights and gear unsafe light out. Visual check gear by another company aircraft in area. (20 mi west nome) flew on in made normal landing. Shuttle valve was not working properly. Perhaps should have life limit cycle to replace? The gear is simple and easy to work on emergency system. Manufacturer did good engineering job with aircraft.

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Original NASA ASRS Text

Title: ATX SMT GOT GEAR RED WARNING LIGHT ON APCH TO NOME. PLT WAS UABLE TO EXTEND GEAR NORMALLY AND HAD TO USE EMERGENCY EXTEND PROC.

Narrative: SELECTED GEAR DOWN AND DID NOT WORK. DISCUSS OVER RADIO WITH COMP MAINT. RECYCLE AND RESET MASTER SWITCH AND BREAKERS. STILL NO GEAR DOWN. SLOWED TO 115 KT. GEAR DOWN ON SELECTOR, PULL HYDRAULIC BREAKER, USE EMER BLOW DOWN BOTTLE PER CHECKLIST. GOT THREE GREEN LIGHTS AND GEAR UNSAFE LIGHT OUT. VISUAL CHECK GEAR BY ANOTHER COMPANY ACFT IN AREA. (20 MI WEST NOME) FLEW ON IN MADE NORMAL LNDG. SHUTTLE VALVE WAS NOT WORKING PROPERLY. PERHAPS SHOULD HAVE LIFE LIMIT CYCLE TO REPLACE? THE GEAR IS SIMPLE AND EASY TO WORK ON EMER SYSTEM. MANUFACTURER DID GOOD ENGINEERING JOB WITH ACFT.

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.