Summary
The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-200 series airplanes. 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. This AD requires replacement of pitot anti-icing system components, installation of a junction box and wiring provisions, repetitive testing of the anti- icing system, and applicable on-condition actions. The FAA is issuing this AD to address the unsafe condition on these products.
Directive Details
AD Number
FAA-2021-0190
Document Number
2021-06896
Type
Rule
Publication Date
April 5, 2021
Effective Date
April 20, 2021
Affected Manufacturer
The Boeing Company
Criticality
important
Emergency
No
Docket ID
Docket No. FAA-2021-0190
Topics
Official Documents
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