Airworthiness Directive · Amendment 39-16335 · Landing gear
Bombardier, Inc. Model DHC-8-400 Series Airplanes
Superseded. A later AD replaced this one: AD 2014-25-01. Comply with the one in force.
This AD applies to Bombardier, Inc. Model DHC-8-400, DHC-8-401, and DHC-8-402 series airplanes, certificated in any category; serial numbers 4001, 4003, 4004, 4006, and 4008 through 4238 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 2,000 flight hours after the effective date of this AD: Modify the NLG trailing arm by incorporating Bombardier Modification Summary 4-113599, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 84-32-65, Revision A, dated March 2, 2009.
(2) Incorporating Bombardier Modification Summary 4-113599 in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 84-32-65, dated December 17, 2008, is also acceptable for compliance with the requirements of paragraph (f)(1) of this AD if done before the effective date of this AD.
Note 1: This AD differs from the MCAI and/or service information as follows: No differences.
