47-47-06 MARTIN: (Was Service Note 2 of AD-795-1.) Applies to All Model 202 Airplanes With HSP 23260 Propellers With YB2H17F3-48R Blades and Westinghouse D-30 Generators.
Compliance required at first major (long period) inspection and thereafter as specified below.
Carefully inspect the engine accessory section rear cover for signs of fatigue cracks particularly near the generator mounting pad at the first long period inspection and at every short period inspection thereafter until engine overhaul. After the engine overhaul, the same inspection sequence shall be observed.