Piper Service Bulletin No. 1 Applicability: Piper E-2, J-2, J-3 System: Rigging Issue Date: February 15, 1946 Subject : How to Rig Cub E-2, J-2, J-3 Airplanes Summary: Instructions for rigging Piper Cub E-2, J-2, and J-3 airplane...
Piper Service Bulletin No. 18 Applicability: J-2 Cub serial numbers 1500 to 1999 J-3 Cub serial numbers 2000 to 2609 System: Control Issue Date: February 18, 1946 Subject : Replacement of Tailbrace Wire Nipple...
Failure of the bolts which attach the Continental A50 engine to the engine mount.
Breakage has occurred in the welded joint at the intersection of the steel channels, to which the right rear edge of the windshield attaches.
Inspection of motor mount for cracks in the tubing near the welds, especially in the member from the top firewall bulkhead to the rear engine mounting bosses.
Installation of a reinforcing patch around the fuel outlet fitting of the fuel tank.
Immediate changes necessary in the bungee installation.
Reports of binding in the stabilizer rear support bearing and, as the link tube at the adjustment yoke is of similar construction, there is a possibility that the same difficulty may occur there.
Possibility that the upper enclosure door may be torn from the airplane and cause damage to other parts of the airplane when flying with the door open.
Interference of the torque tube with the front seat canvas and of the elevator bellcrank with the rear seat canvas.
Failure of strainer/carburetor attaching fittings which may be attributed metal fatigue.
Piper Service Bulletin No. 47 Applicability: Piper E-2, J-2, and J-3 System: Operations Issue Date: February 19, 1946 Subject : Preparation for Winter Operation Summary: There are several items of equipment in the en...
Inspecting tail brace rod clevises attached to the fin for cracks and replacing wherever necessary.
Piper Service Bulletin No. 50 Applicability: Piper E-2, J-2, J-3, J-4 and J-5 System: Finishing Issue Date: February 19, 1946 Subject : Ribstitching Summary: Reported failures of the ribstitching both in the wing and...
Failure of the fuel shut-off control attachment at the swivel fitting.
A noticeable aging of the spar finish occurs in listed airplane models that are continually exposed to adverse atmospheric conditions.
Inspection of the stabilizer aluminum yoke casting, and if any cracks are apparent, the part should be replaced before further operation of the airplane.
Testing for secure attachment of flexible hose end fittings.
Failure of the stabilizer rear bearing bracket as a result of improper or insufficient lubrication.
Inspecting for cracks at or near the weld beads at the attachment of the muffler outer shell to the end plates.