Category: navion, rudder, controls
Applicability: Only serial numbers NAV-4-2 to NAV-4-550, inclusive.
Supersedes: Was mandatory note 1 of AD-782-3
Compliance: To be accomplished immediately.
Procedure:Remove present rudder-nose gear steering bellcrank, P/N 145-34175 and replace with new part of the same number furnished by North American. The replacement part is to be identified by a yellow dot and the stamp (SPL).
North American Service Bulletin No. 21, dated January
23, 1947, covers this same subject.
AD-47-11-01