Airworthiness Directive · Amendment 39-18371 · Doors
Bombardier, Inc. Airplanes
This AD applies to Bombardier, Inc. Model BD-700-1A10 and BD-700-1A11 airplanes, certificated in any category, serial numbers 9001 through 9476 inclusive and 9998.
We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model BD-700-1A10 and BD-700-1A11 airplanes. This AD was prompted by reports of fluid entry and accumulation in the aft equipment bay. This AD requires modifying the aft equipment bay. We are issuing this AD to prevent excessive quantities of flammable fluid accumulation in the aft equipment bay. Flammable fluid entry and accumulation in the aft equipment bay, in excessive quantities, could exceed safe levels maintained by the drainage and ventilation system.
Within 24 months after the effective date of this AD, modify the aft equipment bay, in accordance with the Accomplishment Instructions of the applicable service information specified in paragraphs (g)(1) through (g)(4) of this AD.
(1) For Model BD-700-1A10 airplanes, serial numbers 9002 through 9312 inclusive, 9314 through 9380 inclusive, and 9384 through 9429 inclusive: Bombardier Service Bulletin 700-52-042, dated March 29, 2012.
(2) For Model BD-700-1A10 airplanes, serial numbers 9381 and 9432 through 9476 inclusive: Bombardier Service Bulletin 700-52-6007, dated March 29, 2012.
(3) For Model BD-700-1A11 airplanes, serial numbers 9127 through 9383 inclusive, 9389 through 9400 inclusive, 9404 through 9431 inclusive, and 9998: Bombardier Service Bulletin 700-1A11-52-019, dated March 29, 2012.
(4) For Model BD-700-1A11 airplanes, serial numbers 9386, 9401, and 9445 through 9474 inclusive: Bombardier Service Bulletin 700-52-5007, dated March 29, 2012.