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.
Modifying the battery box lid to eliminate the possibility of "shorting" the battery terminal wing nuts.
To preclude the possibility of in-flight fires, the following inspection and rework is necessary to eliminate combustible material and possible ignition sources from the area aft of the firewall underneath the forward cabin floor.
Replacing aluminum aileron hinge reinforcing bracket with one made of steel, part number 10931-02.
How to fix difficulties with the fabric where it attaches to the fuselage under the windshield top and/or directly over the rear edge of the windshield top attachment channel.
Reports of collapsed wing mounted fuel tanks due to inadequate venting of the tank.
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.
Outlines the repair of Univair STC'd Stamped Ribs in accordance with the original STC and FAA Advisory Circular AC 43.13-1B.
Inspection of the hinge assembly and correction of rivet fatigue.
Adding strips of felt to the gas tank cover to improve the clearance between the cover reinforcements and the tank.
Trouble with the starter button sticking as a result of a loose connection in the starting circuit.
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.
Shock cord application chart for listed Piper models.
Rigging and leveling procedures for Piper PA-16.
Approximate list of materials required to cover and finish the various component assemblies of the listed piper planes.