Cessna Service Bulletin, SB04-52-01

Security Lock Installation

Reason: To announce the availability of security locks that may be installed on Model 172R, 172S, 182S, 182T, T182T, 206H and T206H airplanes. 

Description:  The locks are designed to provide added protection against theft and vandalism when installed on the pilots' door, aft baggage door and cargo doors as applicable.