Summary
We propose to supersede Airworthiness Directive (AD) 2009-06- 06 for all Airbus Model A310 and A300-600 series airplanes. AD 2009-06- 06 currently requires revising the Airworthiness Limitations Section of the Instructions for Continued Airworthiness to incorporate new limitations and maintenance tasks for aging systems maintenance. Since we issued AD 2009-06-06, we have determined that more restrictive maintenance requirements and airworthiness limitations are necessary. This proposed AD would require revising the maintenance or inspection program to incorporate new maintenance requirements and airworthiness limitations. We are proposing this AD to prevent reduced structural integrity and reduced control of these airplanes due to the failure of system components.