Incident Overview

Date: Monday 2 January 1984
Aircraft Type: Beechcraft 99
Owner/operator: Britt Airways
Registration Number: N317VA
Location: Galesburg, IL – ÿ United States of America
Phase of Flight: Taxi
Status: Substantial
Casualties: Fatalities: 0 / Occupants: 11
Component Affected: Landing gear retraction systemLanding gear retraction system
Investigating Agency: NTSBNTSB
Category: Accident
During a taxiing maneuver, the main gear was retracted. An investigation revealed that the landing gear maintenance valve, PN22400-1, manufactured by Airright Inc., had corroded, allowing stray voltage to cycle through the landing gear retraction system. This corrosion was a probable cause of the incident.During a taxiing maneuver, the main gear was retracted. An investigation revealed that the landing gear maintenance valve, PN22400-1, manufactured by Airright Inc., had corroded, allowing stray voltage to cycle through the landing gear retraction system. This corrosion was a probable cause of the incident.

Description

THE MAIN GEAR RETRACTED WHILE THE ACFT WAS BEING TAXIED TO THE TAXIOFF POSITION. INVESTIGATION REVEALED THAT A LANDING GEAR MAINTENANCE VALVE PN22400-1, SN19 MANUFACTURED BY AIRRIGHT INC HAD CORRODED AND WAS ALLOWING STRAY VOLTAGE TO CYCLETHE LANDING GEAR RETRACTION SYSTEM. Probable Cause:

Primary Cause

Corrosion of the landing gear maintenance valve, PN22400-1, manufactured by Airright Inc.Corrosion of the landing gear maintenance valve, PN22400-1, manufactured by Airright Inc.

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