Instructions for rigging Piper Cub E-2, J-2, and J-3 airplanes
Reinforcement of the stabilizer adjustment yokes due to cracks in the tubular stubs.
Reports of breakage of the larger diameter tail brace wires (No. 8-36) and steps for replacing.
Installing newly designed tail brace wire nipples to avoid fatigue failures.
Inspect the stabilizer adjustment yoke for conformity with the approved drawing, and add reinforcement if the present one is unsatisfactory.
There are several items of equipment in the engine installation which should be carefully inspected to insure satisfactory winter operation.
Reported failures of the ribstitching both in the wing and control surface covering which may result in the fabric being torn from the structure while in flight.
Inspecting the condition of the seat bottoms and braces for cracks, and inspecting the control cables for wearing.
Inspecting wings for broken drag wires.
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.
This letter is to advise all concerned that as of September 1st, 1962, the Piper Aircraft Corporation considers the following aircraft models obsolete inasmuch as they have been out of production for at least seven years.