Summary
The FAA is adopting a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH Model MBB-BK117 A-1, MBB-BK117 A-3, MBB-BK117 A-4, MBB-BK117 B-1, MBB-BK117 B-2, MBB-BK117 C-1, and MBB- BK117 C-2 helicopters. This AD requires inspecting the tail gearbox (TGB) bellcrank attachment arm (arm) for a crack. This AD was prompted by a report of a cracked TGB arm. The actions of this AD are intended to address an unsafe condition on these products.
Directive Details
AD Number
FAA-2020-0967
Document Number
2021-05090
Type
Rule
Publication Date
March 11, 2021
Effective Date
April 15, 2021
Affected Manufacturer
Airbus Helicopters Deutschland GmbH
Criticality
routine
Emergency
No
Docket ID
Docket No. FAA-2020-0967
Topics
Official Documents
Automated AD compliance tracking
AeroCopilot matches ADs to your aircraft and tracks compliance status. Included in every plan from $7.99 monthly.
Unlock AD-to-aircraft matching, compliance tracking, recurrence schedule with a free AeroCopilot account.
Sign up free to unlock AD-to-aircraft matching, compliance tracking, recurrence scheduleFree forever · No credit card · Sourced directly from FAA & NOAA pipelines