Airworthiness directives › 2020-03-17
AD 2020-03-17 Airworthiness Directives; Bombardier, Inc., Airplanes
Applicability*9
This AD applies to the Bombardier, Inc., airplanes, certificated in any category, identified in paragraphs (c)(1) through (4) of this AD, with a Class C cargo compartment configuration. (1) Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes, serial numbers 7003 and subsequent. (2) Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) airplanes, serial numbers 10002 and subsequent. (3) Model CL-600-2D15 (Regional Jet Series 705) airplanes and Model CL-600-2D24 (Regional Jet Series 900) airplanes, serial numbers 15001 and subsequent. (4) Model CL-600-2E25 (Regional Jet Series 1000) airplanes, serial numbers 19001 and subsequent.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) At the applicable time specified in paragraph (g)(1)(i) or (ii) of this AD: Do detailed inspections for damaged or detached WLPAs, and do all applicable corrective actions before further flight, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 601R-25-201, Revision C, dated May 11, 2017. (i) For airplanes with the accumulation of 780 total flight hours or more as of December 15, 2015 (the effective date of AD 2015-24-04): Inspect within 100 flight hours after December 15, 2015. (ii) For airplanes that have accumulated less than 780 total flight hours as of December 15, 2015 (the effective date of AD 2015-24-04): Inspect before accumulating 880 total flight hours after December 15, 2015. (2) Within 30 days after the effective date of this AD, revise the existing maintenance or inspection program, as applicable, to incorporate the information specified in Task C26-25-115-01, “Detailed Inspection of the Window Louver Panel Assembly (WLPA) in Aft Cabin/Cargo Compartment Bulkhead,” provided in Bombardier CL-600-2B19 Temporary Revision (TR) 2A-69, dated August 30, 2018 (which is a TR to Appendix A—Certification Maintenance Requirements (CMR), of Part 2 of the Bombardier CL-600-2B19 Maintenance Requirements Manual (MRM), CSP-A-053). The initial compliance time for accomplishing the task is within 880 flight hours from the last inspection performed as specified in Bombardier Service Bulletin 601R-25-201, Revision C, dated May 11, 2017. Accomplishing the actions required by this paragraph terminates the inspection requirement in paragraph (g)(1) of this AD.
Unsafe condition
This AD was prompted by reports of damaged decompression window louver panel assemblies (WLPAs), and detached blowout panels (BOPs). The FAA is issuing this AD to address damaged or detached WLPAs and BOPs. A detached WLPA or BOP could delay smoke detection in the cargo compartment in the event of a fire, and could result in an uncontrolled fire in the cargo compartment.
Affected ADs
This AD replaces AD 2015-24-04, Amendment 39-18336 (80 FR 74673, November 30, 2015) (“AD 2015-24-04”).
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