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Airworthiness directives › 2021-02-16

AD 2021-02-16 Airworthiness Directives; The Boeing Company Airplanes

2021-03-30
2021-02-23
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Airframe
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Models named: 717-200. Read the applicability below — it usually turns on serial or part numbers too.

Applicability*9

This AD applies to all The Boeing Company Model 717-200 airplanes, certificated in any category.

Compliance

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

Required actions

Except as specified in paragraph (h) of this AD: At the applicable times specified in paragraph 1.E., “Compliance,” of Boeing Alert Service Bulletin 717-30A0009, dated March 31, 2020, do all applicable actions identified as “RC” (required for compliance) in, and in accordance with, the Accomplishment Instructions of Boeing Alert Service Bulletin 717-30A0009, dated March 31, 2020.

Unsafe condition

This AD was prompted by a report that during takeoff, both the captain's and first officer's airspeed indicators froze at 80 knots. The FAA is issuing this AD to address pitot tubes blocked by ice, which could affect the airspeed indication provided to the flightcrew through the air data heat (ADH) system and result in loss of aircraft controllability.

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