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Airworthiness directives › 2020-05-13

AD 2020-05-13 Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes

2020-04-20
2020-03-16
39-19861
FAA-2019-0988
Airframe
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Models named: BD-500-1A11. Read the applicability below — it usually turns on serial or part numbers too.

Applicability*9

This AD applies to Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Model BD-500-1A11 airplanes, certificated in any category, serial numbers 55018, 55019, 55022, 55024, 55026, 55028, 55031, and 55035.

Compliance

Comply with this AD within the compliance times specified, unless already done.

Required actions

Within 850 flight hours or 6 months, whichever occurs first after the effective date of this AD: Install Integrated Air Systems Controller (IASC) software version 5.0, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin BD500-219001, Issue 002, dated September 11, 2018.

Unsafe condition

This AD was prompted by reports that, under certain combinations of airplane configuration and flight conditions, higher than anticipated temperatures could lead to an engine fire warning nuisance message. The FAA is issuing this AD to address this condition, which could lead to an unnecessary shutdown of the engine by the flightcrew, which could lead to reduced controllability of the airplane.

Affected ADs

None.

Read the original on the Federal Register →

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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1