Cessna SkyHawk SP 172S NAV III 2005 Pilot Operating Handbook page 376

CESSNA
... MODEL 172S NAV III
SECTION 9 - SUPPLEMENTS
SUPPLEMENT
4
SERVICE BULLETIN CONFIGURATION LIST
The following is a list of Service Bulletins that are applicable to the
operation of the airplane, and have been incorporated into this
supplement. This list contains only those Service Bulletins that are
currently active.
Number
FAA APPROVED
172SPHAUS-S4-00
Airplane Serial
Effectivity
Revision
Incorporated
Incorporated
in Airplane
U.s.
S4·3