09/30/2021Univair
Mandatory replacement of airspeed indicators.
04/12/2022Univair
Per Lycoming Division of Avco Corporation, it is permissible to use a torque value of 40 inch pounds to provide adequate tightness to maintain proper engine support in lieu of the linear dimension as previously specified.
04/12/2022Univair
Instructions for applying the recommended fuel valve lubricant in the listed Piper models.
09/30/2021Univair
The decal originally attached to the propellers of aircraft indicated by the above serial numbers is incorrect. The incorrectly marked decal must be removed and replaced with the correctly marked decal.
09/30/2021Univair
Instructions for more rigid visual inspections of the engine and nose wheel mounts for indication of cracks at each of the 100 hour inspections.
04/12/2022Univair
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.
09/30/2021Univair
Closer inspection required of the brake cable and pulleys is necessary to find frayed or broken cables, generally where the cable contacts the pulleys.
09/30/2021Univair
Installation of oil shields on Airborne Mechanisms Dry Vacuum Pumps, Models 113A1 and 113A5, to prevent oil or cleaning solvents from entering the vent holes in the face of the mounting flange.
09/30/2021Univair
Inspection of the Monroe type shimmy dampeners, part numbers 21701-02 and 21701-04.
04/12/2022Univair
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.
09/30/2021Univair
Reports have been received indicating that movement of the nose gear can be restricted due to binding of the upper nose gear oleo bearing due to lack of lubrication.
04/12/2022Univair
Correction to Owner's Handbooks for the listed models.
09/30/2021Univair
At each 100 hour inspection, the bushing, washer and nut of the stabilizer yoke assembly should be inspected for wear and, if worn, should be replaced.
09/30/2021Univair
Installation of Muffler Support Kit No. 756-803, and Tailpipe Support Kit No. 756-804, will be instrumental in extending the service life of the exhaust system.
04/12/2022Univair
The following listing denotes the location of the Cylinder Head Temperature Probe for Piper aircraft.
04/13/2022Univair
Table showing the type of brake fluid used in airplanes manufactured by the Piper Aircraft Corporation.
04/13/2022Univair
Shock cord application chart for listed Piper models.
04/13/2022Univair
Actual labor breakdown, in hours, of factory time required to cover and finish 100 each of the Piper PA-18, PA-18A and PA-22 models.
09/30/2021Univair
Model PA-22 rigging procedure (supplement to PA-20 Rigging Procedure).
04/13/2022Univair
Approximate list of materials required to cover and finish the various component assemblies of the listed piper planes.