Airworthiness directives › 2021-07-02
AD 2021-07-02 Airworthiness Directives; The Boeing Company Airplanes
Models named: 737-200 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to The Boeing Company Model 737-200 series airplanes, having variable numbers PK625 through PK627 inclusive, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as specified by paragraph (i) of this AD, for airplanes identified as Group 6 in Boeing Alert Service Bulletin 737-30A1064, Revision 2, dated June 26, 2020: At the applicable times specified in paragraph 1.E., “Compliance,” of Boeing Alert Service Bulletin 737-30A1064, Revision 2, dated June 26, 2020, do all applicable actions identified as “RC” (required for compliance) in, and in accordance with, the Accomplishment Instructions of Boeing Alert Service Bulletin 737-30A1064, Revision 2, dated June 26, 2020.
Unsafe condition
This AD was prompted by reports indicating that the pitot heat switch is not always set to ON, which could result in misleading air data. The FAA is issuing this AD to address misleading air data, which can lead to loss of crew situational awareness and could ultimately result in the inability to maintain continued safe flight and landing.
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