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.
A recent fuel tank collapse was attributed to inadequate venting, caused by obstruction of the cap vent holes installed per Piper Service Bulletin No. 522.
Compromised structural integrity of the fuselage due to excessive rust and corrosion between steel tubing and preformed sheet steel material.
Steps to preclude failure of the U12694 series throttle cables, which could cause loss of full travel of the throttle control.
Outlines the repair of Univair STC'd Stamped Ribs in accordance with the original STC and FAA Advisory Circular AC 43.13-1B.
Recommended modifications for winter operations of Piper J-3, PA-11 and PA-12 aircraft.
A kit is now available to provide replacement of the standard PA-12 Carburetor Air Box with a Ram-type Box which improves the efficiency of the engine operation and a higher rate of climb.
Recommended parts for reinforcing the landing gear on all of the PA-12 airplanes in the field.
Correction to the PA-12 Weight and Balance Form regarding the propeller installation arm.
Discussion concerning the useful life of the eight rubber engine support bushings, Lycoming part number 60883.
Information concerning the use of safety belts which do not have TSO approval.
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.
Material list and instructions to reinforce the area where the fabric attaches to the fuselage under the windshield top and/or directly over the rear edge of the windshield top attachment channel.
The round upper and lower tail brace tie rod assemblies, part numbers 10555-02 and 10556-02, respectively, have been approved to replace the upper and lower streamline tail brace tie rod assemblies in the listed aircraft.
Table showing the type of brake fluid used in airplanes manufactured by the Piper Aircraft Corporation.
Rigging and leveling procedures for Piper PA-12.
Instructions for installing shock cords on Piper PA-12 and PA-14 aircraft.
Shock cord application chart for listed Piper models.
Approximate list of materials required to cover and finish the various component assemblies of the listed piper planes.
Approximate amount of material required to recover PA-12 Model using cellulose acetate butyrate dope and raw fabric.