09/21/2021Univair
Instructions for equipping the fuel tank outlets with finger strainers.
04/11/2022Univair
Immediate changes necessary in the bungee installation.
04/11/2022Univair
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.
04/11/2022Univair
Inspecting tail brace rod clevises attached to the fin for cracks and replacing wherever necessary.
04/11/2022Univair
Reported failures of the ribstitching both in the wing and control surface covering which may result in the fabric being torn from the structure while in flight.
04/11/2022Univair
Failure of the fuel shut-off control attachment at the swivel fitting.
04/11/2022Univair
Reports of the listed model airplanes that the engine will not operate properly with low fuel in the 7 gallon header tank.
04/11/2022Univair
Wing aileron bellcrank brackets failing due to parking or staking out the airplane with the tail into the wind without securing the controls.
04/12/2022Univair
A noticeable aging of the spar finish occurs in listed airplane models that are continually exposed to adverse atmospheric conditions.
04/11/2022Univair
Inspection of the stabilizer aluminum yoke casting, and if any cracks are apparent, the part should be replaced before further operation of the airplane.
04/11/2022Univair
Instructions for repairs of minor cracks, pin holes and failed spot welds in the stainless steel wing tanks.
04/12/2022Univair
Testing for secure attachment of flexible hose end fittings.
04/11/2022Univair
Failure of the stabilizer rear bearing bracket as a result of improper or insufficient lubrication.
04/11/2022Univair
Inspecting for cracks at or near the weld beads at the attachment of the muffler outer shell to the end plates.
04/11/2022Univair
Failure of the floorboard and rudder pedal lug attachment to the tubular structure due to continued flexing of these parts during operation.
04/12/2022Univair
Due to a number of reported failures of single strand .032" safety wire used on control system turnbuckles, it is considered necessary to replace the safety wire with single strand .040" brass or copper wire.
04/12/2022Univair
Installing tailspring attachment reinforcing units, part numbers 30882 and 30871, to prevent tailspring attachment failure.
09/21/2021Univair
Materials list and procedure for installing a Plexiglas windshield.
04/11/2022Univair
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.
04/12/2022Univair
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.