Equipment & Furnishings — Hook Mount Assembly — Inspection
- Published
- Effective
- Deadline
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of MBB-BK117 C-2 and D-2 helicopters with Goodrich rescue hoists must inspect the hook mount assembly before the next hoist operation after 22 October 2018. If the assembly is found incorrectly installed, it must be replaced before further use. Additionally, any affected part must pass inspection before installation on any helicopter, following the instructions in the applicable Airbus Helicopters Alert Service Bulletins.
Summary
EASA Airworthiness Directive 2018-0225-E is an emergency directive addressing the inspection of the hook mount assembly on Goodrich rescue hoists, Part Number 44301-10-7, installed on MBB-BK117 C-2 and D-2 helicopters. The directive mandates a one-time inspection and possible replacement of the hook mount assembly to ensure correct assembly and safe operation. It applies to all serial numbers of the affected helicopter models.
What changed
This new emergency airworthiness directive introduces mandatory inspections of the hook mount assembly on affected Goodrich rescue hoists due to a reported assembly defect involving the lock spring system. It requires inspection before the next hoist operation and before any (re)installation of the affected parts. If defects are found, the hook mount assembly must be replaced following the specified service bulletin instructions.
Why it matters
This directive is critical for aviation professionals because an incorrectly assembled hook mount assembly could lead to loosening of the hook and loss of load, posing serious safety risks to personnel on the ground. Operators and maintenance organizations must ensure compliance to maintain aircraft airworthiness and prevent potential accidents. Compliance teams need to track and verify inspections and corrective actions to meet regulatory requirements.
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New ADs and bulletins for Airbus Helicopters MBB-BK 117, MBB-BK117 C-2 and MBB-BK117 D-2, summarized like this page, every Monday.