04/11/2022Univair
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...
04/11/2022Univair
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 Nipples Summar...
09/17/2021Univair
Failure of the bolts which attach the Continental A50 engine to the engine mount.
09/17/2021Univair
Breakage has occurred in the welded joint at the intersection of the steel channels, to which the right rear edge of the windshield attaches.
09/17/2021Univair
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.
09/17/2021Univair
Installation of a reinforcing patch around the fuel outlet fitting of the fuel tank.
09/17/2021Univair
Immediate changes necessary in the bungee installation.
09/17/2021Univair
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.
09/17/2021Univair
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.
09/17/2021Univair
Interference of the torque tube with the front seat canvas and of the elevator bellcrank with the rear seat canvas.
09/17/2021Univair
Failure of strainer/carburetor attaching fittings which may be attributed metal fatigue.
04/11/2022Univair
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 engine ...
09/17/2021Univair
Inspecting tail brace rod clevises attached to the fin for cracks and replacing wherever necessary.
04/11/2022Univair
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 cont...
09/17/2021Univair
Failure of the fuel shut-off control attachment at the swivel fitting.
09/16/2021Univair
A noticeable aging of the spar finish occurs in listed airplane models that are continually exposed to adverse atmospheric conditions.
09/17/2021Univair
Inspection of the stabilizer aluminum yoke casting, and if any cracks are apparent, the part should be replaced before further operation of the airplane.
09/17/2021Univair
Testing for secure attachment of flexible hose end fittings.
09/17/2021Univair
Failure of the stabilizer rear bearing bracket as a result of improper or insufficient lubrication.
09/17/2021Univair
Inspecting for cracks at or near the weld beads at the attachment of the muffler outer shell to the end plates.