Airworthiness directives › 2015-24-04
AD 2015-24-04 Airworthiness Directives; Bombardier, Inc. Airplanes
Applicability*9
This AD applies to the airplanes, certificated in any category, identified in paragraphs (c)(1) through (c)(5) of this AD, configured with a Class C cargo compartment. (1) Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes, serial numbers (S/Ns) 7003 and subsequent. (2) Bombardier, Inc. Model CL-600-2C10 (Regional Jet Series 700, 701 & 702) airplanes, S/Ns 10002 and subsequent. (3) Bombardier, Inc. Model CL-600-2D15 (Regional Jet Series 705) airplanes, S/Ns 15001 and subsequent. (4) Bombardier, Inc. Model CL-600-2D24 (Regional Jet Series 900) airplanes, S/Ns 15001 and subsequent. (5) Bombardier, Inc. Model CL-600-2E25 (Regional Jet Series 1000) airplanes, S/Ns 19001 and subsequent.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 100 flight hours after the effective date of this AD, do the actions in paragraph (g)(1) or (g)(2) of this AD, as applicable. (1) For Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes: Do a detailed inspection of the cage assembly for damage (including bent and damaged vertical and horizontal guard rails), do a detailed inspection of the WLPAs to detect discrepancies (including dents, bends, and deformations, and inadequate clearances), and do all applicable corrective actions, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 601R-25-201, dated July 21, 2015, except as required by paragraph (h) of this AD. Do all applicable corrective actions before further flight. Repeat the inspections thereafter at intervals not to exceed 100 flight hours. (2) For Model CL-600-2C10 (Regional Jet Series 700, 701 & 702) airplanes, CL-600-2D15 (Regional Jet Series 705) airplanes, CL-600-2D24 (Regional Jet Series 900) airplanes, and CL-600-2E25 (Regional Jet Series 1000) airplanes: Do a detailed inspection of the cage assembly to detect damage (including bent or deformed tubing and frame, broken joints), and do a detailed inspection of the WLPAs to detect damage (including bent support pins and louver panels; inadequate clearances; and missing, torn, or unbonded fire blocking fabric and foams), and do a detailed inspection of the BOPs to detect damage (including bends, dents, punctures, and deformations; inadequate sealing tape; and a loose or frayed jumper), and do all applicable corrective actions, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 670BA-25-100, dated July 21, 2015, except as required by paragraph (h) of this AD. All applicable corrective actions must be done before further flight. Repeat the inspections thereafter at intervals not to exceed 100 flight hours.
Unsafe condition
This AD was prompted by reports of several cases of damaged or detached decompression WLPAs and BOPs. We are issuing this AD to detect and correct damaged and detached WLPAs and BOPs. A detached WLPA or BOP could delay smoke detection in the cargo compartment, and in the event of a cargo compartment fire, this could lead to an uncontrolled cargo compartment fire.
Affected ADs
None.
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