AD/ECUREUIL/21 Amdt 1 - Main G/Box Bevel Reduction Gear Module

PART 1: Within 10 hours time in service after 31st March 1983 and every 50 hours, prior to compliance with Part 2, carry out the visual check.

PART 2: Within 300 hours time in service after 31 March 1983, carry out the screw tightening check, as a one time only inspection.

PART 3: Every 300 hours time in service, after compliance with Part 2, carry out the visual check.