Airworthiness Directive · Amendment 39-18628 · Periodic inspections
Bombardier, Inc. Airplanes
This AD applies to Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes, certificated in any category, serial numbers 7003 and subsequent.
We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes. This AD was prompted by the need for more stringent inspection requirements for certain affected components. This AD requires revising the maintenance or inspection program to incorporate certain revised airworthiness limitations (AWL) and require repairs of affected components. We are issuing this AD to detect and correct fatigue cracking in the affected components; such cracking could result in loss of structural integrity.
Within 60 days after the effective date of this AD: Revise the maintenance or inspection program, as applicable, to incorporate the revised inspection requirements specified in the AWLs identified in paragraphs (g)(1) through (g)(12) of this AD. These AWLs are identified in Appendix B—Airworthiness Limitations, of Part 2, Airworthiness Requirements, Revision 10, dated May 10, 2015, of the Bombardier CL-600-2B19 Maintenance Requirements Manual (MRM) CSP A-053.
(1) AWL 52-11-131, “Passenger door—piano hinge half on door side.”
(2) AWL 53-11-122, “Windshield center post and bulkhead aft post at FS202.75.”
(3) AWL 53-21-118, “Potable water servicing door cut-out and internal structure.”
(4) AWL 53-21-129, “Passenger door—piano hinge half on fuselage side.”
(5) AWL 53-41-199, “FS409.0+128 vertical posts at BL0.0 and BL18.0 left and right local to WL69.0.”
(6) AWL 53-41-200, “FS409.0+128 frame cap aft and fwd splice angles at STR21 left and right.”
(7) AWL 53-41-201, “FS559.0 pressure bulkhead web and cap angle local to BL9.0 and BL18.0 left and right.”
(8) AWL 53-61-156, “Rear pressure bulkhead forward face below floor.”
(9) AWL 54-10-105, “Pylon track and support fitting.”
(10) AWL 54-10-106, “Pylon track and support fitting.”
(11) AWL 57-21-105, “Lower wing skin, between BL0.0 to WS314.0.”
(12) AWL 57-21-112, “Lower wing plank splice joints at BL45.0, WS65.75, and WS148.0.”
(1) For tasks with phase-in schedules specified in the AWLs identified in paragraphs (g)(1) through (g)(12) of this AD: The initial compliance times are at the applicable times specified in the applicable AWL, or within 60 days after the effective date of this AD, whichever occurs later, except as specified in paragraph (h)(2) of this AD.
(2) For tasks with no phase-in schedules specified in the AWLs identified in paragraphs (g)(1) through (g)(12) of this AD: The initial compliance times are at the applicable times specified in Appendix B—Airworthiness Limitations, of Part 2, Airworthiness Requirements, Revision 10, dated May 10, 2015, of the Bombardier CL-600-2B19 MRM CSP A-053; or within 1,000 flight cycles after the effective date of this AD; whichever occurs later.
If any damage (including, but not limited to, cracking, corrosion, and wear) is found during any inspection required by any AWL specified in paragraph (g) of this AD: Before further flight, repair using a method approved by the Manager, New York Aircraft Certification Office (ACO), ANE-170, FAA; or Transport Canada Civil Aviation (TCCA); or Bombardier, Inc.'s TCCA Design Approval Organization (DAO).
After accomplishing the revisions required by paragraph (g) of this AD, no alternative actions (e.g., inspections) or intervals may be used other than those specified in the AWLs identified in paragraphs (g)(1) through (g)(12) of this AD; unless the actions and intervals are approved as an AMOC in accordance with the procedures specified in paragraph (k) of this AD, or the actions and intervals are approved as part of a repair specified in paragraph (i) of this AD.
