Piper J-3

Failure of the floorboard and rudder pedal lug attachment to the tubular structure due to continued flexing of these parts during operation.

Approved changes to make the heat control on the instrument panel more readily accessible for a pilot flying solo in the rear seat.

Recommended procedure for installing a one-piece Plexiglas windshield.

Piper  Service Bulletin No. 77 Applicability: Piper E-2, F-2, J-2 and J-3 Cubs System: Cabin, Control Issue Date: February 18, 1946 Subject : Seats, Safety Belts and Control Cables Summary: Inspecting the condition of...

Installing a spring on the fuel shut-off to assist opening of the valve.

Due to a number of reported failures of single strand .032" safety wire used on control system turnbuckles, it is considered necessary to replace the safety wire with single strand .040" brass or copper wire.

Installing tailspring attachment reinforcing units, part numbers 30882 and 30871, to prevent tailspring attachment failure.

Suggested procedures to be followed in temperatures of 40 degrees F or below for Piper J3C-65.

Reworking of bottom cowl for replacing air scoop EQ5259 with EQ5370 (Continental part numbers).

Inspect the lift strut clevis bolts for evidence of abuse. If such evidence is noted, the bolts shall be replaced.

Instructions for moving the Scott Brake cylinders from a position directly aft of the rear rudder pedals to a new position as shown in the attached sketches.

Installation of a new gasket with more cushioning properties to eliminate breakage of the glass fuel strainer bowl.

Inspect for proper installation of the fuel strainer port.

Defects in glass fuel strainer bowls in the form of distortions, internal air bubbles or indication of cold forming.

Replacing rubber stop discs with leather discs at the next periodic inspection.

Inspection to ascertain that the flattened tube end fitting at each end of the connector tube is riveted in place as shown in sketch.

These inspection notes are issued as a recommended check list to assist owners, operators, and maintenance personnel in keeping their Piper airplanes in an airworthy condition.

Failures of lift struts caused by abuse, failure to replace lift struts after ground accidents, and the use of damaged parts from scrapped airplanes as service replacement parts.

Replacing aluminum aileron hinge reinforcing bracket with one made of steel, part number 10931-02.

Revises compliance time, purpose, and instructions for inspection and/or replacement of wing lift strut assembly. Also announces the availability of new sealed lift struts.