NTSB Identification: CHI84IA155.
The docket is stored on NTSB microfiche number 26890.
Scheduled 14 CFR
Incident occurred Monday, April 16, 1984 in MILWAUKEE, WI
Aircraft: SWEARINGEN SA226TC, registration: N163MA
Injuries: 10 Uninjured.

NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.

A GEAR UP LANDING WAS PERFORMED AFTER THE CREW WAS UNABLE TO EXTEND THE RGT MAIN GEAR THRU NORMAL & EMERG PROCEDURES. AN EXAM OF THE ACFT DISCLOSED THE RGT MAIN GEAR DOOR AFT HINGE BOLT WAS SLIGHTLY BENT & DIFFICULT TO ROTATE IN ITS BUSHING. THE BUSHING & BOLT WERE DRY & HAD NOT BEEN LUBRICATED RECENTLY. THE HYDRAULIC CYLINDER WAS NOT CAPABLE OF SUPPLYING ENOUGH PRESSURE TO OVERCOME THE BINDING DOOR. THE BUSHING HAD NOT RECENTLY BEEN INSPECTED OR LUBRICATED BY MAINTENANCE PERSONNEL BECAUSE OF ITS LOCATION BEING DIFFICULT TO ACCESS.

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

DOOR,LANDING GEAR..BINDING(MECHANICAL)

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

MAINTENANCE,LUBRICATION..INADEQUATE..COMPANY MAINTENANCE PERSONNEL

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

LANDING GEAR,MAIN GEAR..MOVEMENT RESTRICTED

Index for Apr1984 | Index of months