Stinson

Stinson 108 Series

SB-246 Stinson Ash Tray Cover

10/01/2021Univair
Installing an ash tray cover as an additional safety feature.

SB-247 Stinson Leakage Through Cabin Door Windows

10/01/2021Univair
Using a sealing compound to prevent water from entering the cabin through the sliding window channels.

SB-248A Stinson Protection of Wiring Harness

10/01/2021Univair
Corrective procedure for possible chafing of the wiring harness at the throttle bracket behind the instrument panel.

SB-249 Stinson Modification of Control Wheel Installation

10/01/2021Univair
In cooperation with the CAA program of increasing the safety factor of cabin interior in the event of crash, we have modified the attachment of the control wheel to its shaft.

SB-250 Stinson Replacement of "Click" Washer in Fuel Valve

10/01/2021Univair
Steps to restore the position locating feature in the fuel tank selector valve and assure positive operation of the valve at all times.

SB-251 Stinson Fuel Gauge Modification

10/01/2021Univair
Correcting interference between the gas gauge tank unit float arm and the cast aluminum adapter in which the gas gauge tank unit is mounted.

SB-252 Stinson Tail Wheel Installation

10/01/2021Univair
Reports of malfunctioning steerable tail wheels caused by the tail wheel arm striking the end of the tail wheel installation bolt.

SB-253 Stinson Inspection of Cabin Sliding Window

10/01/2021Univair
As a precaution against possible cracking of the sliding window, at the knob, we recommend the following correction on airplanes in the above category.

SB-254 Stinson Inspection of Stabilizer Leading Edge Attachment

10/01/2021Univair
Inspection to determine if fatigue cracks have developed in the fitting that attaches the horizontal stabilizer to the fin.

SB-255 Stinson Accelerator Pump Kit

10/01/2021Univair
Information on the Marvel-Schebler Accelerator Pump Kit, part A666-581.