AD 2011-13-10
Effective 08/01/2011 · Published 06/27/2011
Airworthiness Directives; Learjet Inc. Model 45 Airplanes
Summary
We are superseding an existing airworthiness directive (AD) for the products listed above. That AD currently requires, for certain airplanes, repetitive inspections for chafing and other damage of the case drain tube from the hydraulic pump case installed on the left-hand engine, and corrective action if necessary. That AD also requires, for all airplanes, repetitive inspections for discrepancies of the left engine'…