Airworthiness directives › 2019-25-18
AD 2019-25-18 Airworthiness Directives; Bombardier, Inc., Airplanes
Applicability*9
This AD applies to all Bombardier, Inc., Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 30 days after the effective date of this AD: Revise the existing AFM to incorporate the information specified in paragraphs (g)(1) and (2) of this AD. (1) Paragraph 3.—“Operation in Icing Conditions” of Section 02-04, “Operating Limitations,” of Chapter 2, LIMITATIONS,” of the Bombardier CRJ Series Regional Jet Model CL-600-2B19 Airplane Flight Manual, CSP A-012, Volume 1, Revision 72, dated July 12, 2019. (2) Paragraph 5.—“Prior to Landing” of Section 04-02, “Consolidated Procedures” of Chapter 4 “NORMAL PROCEDURES,” of the Bombardier CRJ Series Regional Jet Model CL-600-2B19 Airplane Flight Manual, CSP A-012, Volume 1, Revision 72, dated July 12, 2019.
Unsafe condition
This AD was prompted by a report of a wing stall (wing drop/uncommanded roll) during landing flare, due to ice on the wing leading edges that was not detected by the anti-ice system. The FAA is issuing this AD to address undetected ice on the wing leading edges, which could adversely affect the stall speeds, stall characteristics, and the protection provided by the stall protection system, which could result in loss of control of the airplane during takeoff or landing.
Affected ADs
None.
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