Summary
We are adopting a new airworthiness directive (AD) for all Airbus Model A350-941 airplanes. This AD requires performing repetitive station position pick-off unit (SPPU) calibration tests, and applying the corresponding airplane fault isolation if necessary. This AD was prompted by a report indicating malfunctions of the SPPU and failures of the internal wiring due to water ingress via certain electrical connectors, inducing subsequent icing during flight. We are issuing this AD to address the unsafe condition on these products.
Directive Details
AD Number
FAA-2018-0269
Document Number
2018-06946
Type
Rule
Publication Date
April 9, 2018
Effective Date
April 24, 2018
Affected Manufacturer
Airbus
Criticality
important
Emergency
No
Docket ID
Docket No. FAA-2018-0269
Topics
Official Documents
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