Airworthiness Directive · Amendment 39-15234 · Flight controls
Bombardier Model DHC-8-102, -103, -106, -201, -202, -301, -311, and -315 Airplanes
This AD applies to Bombardier Model DHC-8-102, -103, -106, -201, -202, -301, -311, and -315 airplanes; certificated in any category; serial numbers 003 through 599.
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:
Within 24 months after the effective date of this AD unless already done, do the following actions.
(1) Applicable to airplane serial numbers 124, 131, 137, and 140 through 561: Incorporate Modsum 8Q100898 to install the spoiler cable disconnect sensing device. Bombardier Service Bulletin 8-27-89, Revision ‘G,’ dated April 12, 2007, provides approved instructions for incorporating Modsum 8Q100898. (See paragraph (f)(4) of this AD.)
(2) Applicable to airplane serial numbers 003 through 123, 125 through 130, 132 through 136, 138, and 139: Incorporate Modsums 8Q100898 and 8Q101443 to install the spoiler cable disconnect sensing device and to correct potential spoiler cable interference condition. Bombardier Service Bulletin 8-27-89, Revision ‘G,’ dated April 12, 2007, provides approved instructions for incorporating Modsums 8Q100898 and 8Q101443. (See paragraphs (f)(4) and (f)(5) of this AD.)
(3) Applicable to airplane serial numbers 003 thorough 599: Incorporate Modsum 8Q101445 to rework the spoiler cable disconnect sensing circuit. Bombardier Service Bulletin 8-27-103, Revision ‘B,’ dated January 24, 2007, provides approved instructions for incorporating Modsum 8Q101445. (See paragraph (f)(6) of this AD.) If Modsum 8Q100898 has not yet been incorporated, incorporate Modsum 8Q101445 in conjunction with Modsum 8Q100898. Refer to paragraph (f)(1) or (f)(2) of this AD, as applicable.
Note 1: The mandatory operational check requirement for the spoiler cable disconnect system (Modsum 8Q100898) is detailed in Task Number 2760/14, dated November 21, 2003, of Part 2 of the applicable de Havilland Dash 8 Maintenance Program Manual (MPM), Airworthiness Limitations (AWL). It was introduced by de Havilland Dash 8 Temporary Revisions AWL-88 (series 100), AWL 2-28 (series 200), and AWL 3-95 (series 300), all dated August 5, 2004. Temporary Revision AWL-88 (Task Number 2760/14) has since been incorporated in Revision 17, dated April 19, 2005, of Part 2 of the AWLs of the MPM for Model DHC-8-100 series airplanes.
(4) Installation of Modsum 8Q100898, in accordance with Bombardier Service Bulletin 8-27-89, dated January 31, 2002; Revision ‘A,’ dated September 10, 2002; Revision ‘B,’ dated November 17, 2003; Revision ‘C,’ dated March 10, 2004; Revision ‘D,’ dated June 29, 2004; Revision ‘E,’ dated January 27, 2005; or Revision ‘F,’ dated March 14, 2007; also meets the requirements of paragraphs (f)(1) and (f)(2) of this AD.
(5) Installation of Modsum 8Q101443, in accordance with Bombardier Service Bulletin 8-27-89, Revision `C,' dated March 10, 2004; Revision `D,' dated June 29, 2004; Revision `E,' dated January 27, 2005; or Revision `F,' dated March 14, 2007; also meets the requirements of paragraph (f)(2) of this AD for this particular Modsum.
(6) Installation of Modsum 8Q101445, in accordance with Bombardier Service Bulletin 8-27-103, dated November 5, 2003; or Revision `A,' dated February 12, 2004; also meets the requirements of paragraph (f)(3) of this AD.
Note 2: This AD differs from the MCAI and/or service information as follows: No differences.
