Airworthiness directives › 2023-04-01
AD 2023-04-01 Airworthiness Directives; Bombardier, Inc., Airplanes
Models named: BD-700-2A12. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Bombardier, Inc., Model BD-700-2A12 airplanes, certificated in any category, serial numbers 70006 through 70061 inclusive.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 72 months after the effective date of this AD, measure the passenger door steps and gap values on each lateral side of the door at 8 points, and on the lower and upper sides of the door at 4 points, in accordance with Part A of the Accomplishment Instructions of Bombardier Service Bulletin 700-52-7511, dated July 22, 2022. Then accomplish the actions specified by paragraph (g)(1) or (2) of this AD, as applicable. (1) If any measurement is not within the specified limits, before further flight, re-adjust the passenger door steps and gaps to obtain the acceptable (necessary) values in accordance with Part B of the Accomplishment Instructions of Bombardier Service Bulletin 700-52-7511, dated July 22, 2022. (2) If all of the measurements are within the specified limits, before further flight, with the door in the closed position, measure the passenger door stops gaps in accordance with Part C of the Accomplishment Instructions of Bombardier Service Bulletin 700-52-7511, dated July 22, 2022. If any passenger door stops gaps measurement is not within the specified limits, before further flight, re-adjust the passenger door stops to obtain the acceptable (necessary) values in accordance with Part D of the Accomplishment Instructions of Bombardier Service Bulletin 700-52-7511, dated July 22, 2022.
Unsafe condition
This AD was prompted by a report that the passenger door functional test engineering requirements (FTERs) were not fully accomplished on several airplanes. The FAA is issuing this AD to ensure that the passenger door is properly rigged. The unsafe condition, if not addressed, could result in higher loads on the passenger door stops that could initiate cracks before the intended design service goal, and an in-flight opening of the passenger door.
Affected ADs
None.
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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