Airworthiness Directives; The Boeing Company Airplanes

We are adopting a new airworthiness directive (AD) for certain Model 767-200 and 767-300 series airplanes. This AD was prompted by reports of water accumulation in the forward lower lobe of the forward cargo compartment. This AD requires installing cargo bulkhead supports, ceiling supports, a secondary dam support, drainage tubing, and ceiling panels to the forward lower lobe in the forward cargo compartment. We are issuing this AD to prevent water from accumulating in the forward lower lobe of the forward cargo compartment and entering the adjacent electronic equipment bay, which could result in an electrical short and the potential loss of several functions essential for safe flight.