AD 74-13-06

74-13-06 McCAULEY: Amendment 39-1878. Applies to main wheel assemblies P/N's D-30063-1, -2, and -4, S/N's 720000 thru 739999 typically used on, but not limited to, Cessna Aircraft Models 180J, A185F, U206F, TU206F, 210L and T210L.

Compliance required as indicated unless already accomplished.

To prevent possible wheel failures due to breakage of the wheel flange attaching bolts, accomplish the following:

(a) For main wheel assemblies used on the Cessna Aircraft Models 180J, A185F, U206F, TU206F, 210L, and T210L manufactured in the Model Year 1974 and any other aircraft with these main wheel assemblies installed, within the next 25 hours' time in service, modify main wheel assemblies in accordance with the instructions contained in McCauley Industrial Corporation Service Bulletin WB-1-A dated June 10, 1974, or subsequent Federal Aviation Administration approved revisions. Equivalent methods of compliance with this Airworthiness Directive must be approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration Great Lakes Region, Des Plaines, Illinois.

(b) For main wheel assemblies used on Cessna Aircraft Models 180J and A185F, manufactured in the Model Year 1973; within 25 hours' time in service after the effective date of this Airworthiness Directive and thereafter, at intervals not to exceed 25 hours' time in service visually inspect the 1/4" bolts attaching the wheel flanges for broken bolts until compliance with the modification in Paragraph (a) above is accomplished. If indications of broken bolts exist modify wheels in accordance with Paragraph (a).

(c) Upon completion of the modification in Paragraph (a), record compliance with this particular part of the Airworthiness Directive in the aircraft logbook.

NOTE: Cessna Service Letter SE 74-8 or subsequent revisions pertains to the same subject. The McCauley wheels may additionally be marked with Cessna P/N's C163002-0102, -0103 or -0104.

Thisamendment becomes effective June 24, 1974.