Airworthiness Directive · Amendment 39-16674 · Windows
Bombardier, Inc. Model DHC-8-101, -102, -103, -106, -201, -202, -301, -311, -315, -401, and -402 Airplanes
This AD applies to the Bombardier, Inc. airplanes, certificated in any category, identified in paragraphs (c)(1) and (c)(2) of this AD.
(1) Model DHC-8-101, -102, -103, -106, -201, -202, -301, -311, and -315, serial numbers 003 through 566 inclusive.
(2) Model DHC-8-401, and -402 airplanes, serial numbers 4001, 4003, 4004, 4006, and 4008 through 4274 inclusive.
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done.
Within 6,000 flight hours or 36 months after the effective date of this AD, whichever occurs first, install a drain system in the cockpit windshield lower frames, and do all applicable related investigative and corrective actions, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 8-53-78, Revision D, dated July 6, 2010 (for Model DHC-8-101, -102, -103, -106, -201, -202, -301, -311, and -315 airplanes); or 84-53-43, dated April 27, 2010 (for Model DHC-8-401 and -402 airplanes); except where these service bulletins state to contact the manufacturer, contact the New York Aircraft Certification Office or Transport Canada Civil Aviation (TCCA) or its delegated agent. Do all applicable related investigative and corrective actions before further flight.
For Models DHC-8-101, -102, -103, -106, -201, -202, -301, -311, and -315 airplanes: Modification of the drain system is also acceptable for compliance with the requirements of paragraph (g) of this AD, if done before the effective date of this AD, in accordance with Bombardier Service Bulletin 8-53-78, dated December 23, 1999; Revision A, dated June 7, 2001; Revision B, dated May 2, 2002; or Revision C, dated April 29, 2010.
Note 1: This AD differs from the MCAI and/or service information as follows: No differences.
