Airworthiness Directives; Cessna Aircraft Company 150, 172, 175, 180, 182, 185, 206, 210, and 336 Series Airplanes

摘要

This document withdraws a notice of proposed rulemaking (NPRM) that would have applied to certain Cessna Aircraft Company (Cessna) 150, 172, 175, 180, 182, 185, 206, 210, and 336 series airplanes. The proposed AD would have affected those airplanes equipped with 0513166 series plastic control wheels. The proposed AD would have required you to repetitively inspect these wheels for cracks, conduct a pull test on these wheels, and replace any control wheels that are cracked or that do not pass the pull test. Replacement of the control wheels would have been with ones that were FAA-approved and were not 0513166 series plastic control wheels. After evaluating all the comments received on the proposal, we have determined that the cracking or failure of the control wheel is not a safety hazard and that a special airworthiness information bulletin would be more appropriate. There have been only four service difficulty reports made in the FAA database; however, there were neither associated accidents nor incidents. Most of the affected airplanes have dual control wheels with each wheel having two handles for redundancy, which would provide an alternative means to control the airplane should