Airworthiness Directive · Amendment 39-15782 · Landing gear
Bombardier Model DHC-8-400 Series Airplanes
This AD applies to Bombardier Model DHC-8-400, DHC-8-401, and DHC-8-402 airplanes, certificated in any category, serial numbers 4003, 4004, 4006, and 4008 through 4184 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:
Unless already done, do the following actions.
(1) Within 2,500 flight hours after the effective date of this AD, replace the WOW and steering harnesses by incorporating Modsum 4-126401, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 84-32-51, Revision ‘B,' dated December 17, 2007.
(2) Actions done before the effective date of this AD in accordance with Bombardier Service Bulletin 84-32-51, dated August 16, 2007; or Revision ‘A,' dated August 22, 2007; are acceptable for compliance with the corresponding requirements of this AD.
Note: This AD differs from the MCAI and/or service information as follows: No differences.
