09/23/2021Patrick Standish
The compliance time for inspection of lift strut assemblies is changed from every 5 years to every 12 months.
09/23/2021Patrick Standish
Installing the Name Plate Installation Kit on airplanes with improperly installed serial number data plates.
09/23/2021Patrick Standish
Evidence of premature internal corrosion in the steel tube structure of the vertical fin and the five tail surfaces (stabilizers, elevators, and rudder).
09/23/2021Patrick Standish
Instructions for correcting possible leakage of acid into the battery case of ARTEX 110-4 ELT battery packs.
09/23/2021Patrick Standish
A condition exists where the flexible coupling connecting the vacuum pump may fail prematurely, causing a loss of vacuum/pressure with the resultant loss of vacuum/pressure instruments and other appliances.
09/17/2021Patrick Standish
The possibility exists where the airplane's gyro vacuum/pressure system may become contaminated by loose particles originating from the air filter element.
04/12/2022Patrick Standish
Steps to preclude failure of the U12694 series throttle cables, which could cause loss of full travel of the throttle control.
04/13/2022Patrick Standish
Outlines the repair of Univair STC'd Stamped Ribs in accordance with the original STC and FAA Advisory Circular AC 43.13-1B.
09/23/2021Patrick Standish
Removal of the lower bungee cable as indicated in the attached sketch.
04/12/2022Patrick Standish
Adding strips of felt to the gas tank cover to improve the clearance between the cover reinforcements and the tank.
09/23/2021Patrick Standish
Carburetor air take-off tube on the muffler tail pipe shroud has been cracking at the weld, resulting in partial loss in carburetor heat.
09/23/2021Patrick Standish
Inquiries relative to the new "Duraclad" finish on our 1951 Model airplanes.
09/23/2021Patrick Standish
Incorporating a thru bolt (AN3-14) instead of the spring clip which was used to attach the control stick tube to the stub.
09/23/2021Patrick Standish
Remedy for manifold pressure gauges installed in 1951 model airplanes giving unsatisfactory service.
09/23/2021Patrick Standish
Optional installation of Auxiliary Oil Radiator Kit which will reduce the oil temperature about 20° for engines that are running excessive oil temperatures.
09/29/2021Patrick Standish
Modifying applicable aircraft to incorporate the new heavier type clevises currently used in the PA-18 "125" airplanes.
09/29/2021Patrick Standish
Possibility of the flap cables on the PA-18A becoming fouled between the hopper and the diagonal fuselage tube.
09/29/2021Patrick Standish
Addition of one long spring leaf, part number 12567-04, to prevent anticipated damage to the rudder while operating with heavy loads in rough terrain.
09/29/2021Patrick Standish
Procedure for correcting the installation of the battery cable to prevent interference with the left rudder cable on the PA-18A agricultural airplane.
09/29/2021Patrick Standish
Discovery of sufficient chafing between the oil pressure line and the oil radiator line to cause wear, with the possibility that in time the oil pressure line might develop a leak.