Summary
The FAA is adopting a new airworthiness directive (AD) for certain De Havilland Aircraft of Canada Limited Model DHC-8-400 series airplanes. This AD was prompted by reports of wear on fuel couplings, bonding springs, and sleeves as well as fuel tube end ferrules and fuel component end ferrules. This AD requires repetitive inspections of certain parts for discrepancies that meet specified criteria, and replacement as necessary; repetitive inspections of certain parts for damage and wear, and rework of parts; and electrical bonding checks of certain couplings. This AD also requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. For certain airplanes, this AD allows a modification that would terminate the repetitive inspections. The FAA is issuing this AD to address the unsafe condition on these products.
Directive Details
AD Number
FAA-2019-0726
Document Number
2020-06505
Type
Rule
Publication Date
March 30, 2020
Effective Date
May 4, 2020
Affected Manufacturer
De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.)
Criticality
routine
Emergency
No
Docket ID
Docket No. FAA-2019-0726
Topics
Official Documents
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