AD 76-22-01

76-22-01 BELLANCA AIRCRAFT CORPORATION: Amendment 39-2753. Applies to:

MODEL SERIAL NUMBER 7 ECA 1126-76 thru 1173-76 7GCAA 324-76 thru 332-76 7GCBC 887-76 thru 942-76 7KCAB 551-76 thru 584-76 8KCAB 219-76 thru 265-76 8GCBC 188-76 thru 228-76

And all previous serial numbered airplanes in which the adjustable front seat has been installed per Bellanca Kit #252.

Compliance required within the next 10 hours' time in service after the effective date of this AD, unless already accomplished.

To detect permanent deformation and/or cracks in the lower frame side tubes on the adjustable front seat, accomplish the following:

a. Inspect the left and right side lower seat frame side tubes for evidence of cracks and/or permanent deformation in an area just forward of the side brace and side tube junction. A permanent upward bow in the side tube at this junction is evidence of permanent deformation. The area can best be inspected after removal of theseat cushion.

b. If cracks and/or permanent deformation are found, repair per AC 43.13-1 and install Bellanca Kit #253, or replace the seat frame with a new reinforced seat frame P/N 7-1513, before further flight.

c. If cracks and/or permanent deformation are not found, install Bellanca Kit #253 within the next 20 hours' time in service after the effective date of this AD.

Bellanca Service Letter #C-125 dated May 19, 1976 pertains to this subject.

This amendment becomes effective November 2, 1976.