Airworthiness DirectiveSupersededEASA AD 2019-0191-E

Equipment / Furnishings – Hoist Carrier Assembly Bracket / Bolts – Inspection / Replacement

Superseded. Comply with 2022-0239, which replaces this document.

Published: Jul 31, 2019
Effective: Aug 2, 2019
Deadline: Aug 2, 2019

Wsk Pzl-Swidnik PZL W-3A

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What to do

Operators must inspect the sealing compound around the affected hoist brackets before the next flight after 2 August 2019 and replace all affected bolts if no cracks are found. Inspections must be repeated every 25 flight hours, and bolts replaced every 800 hoist cycles. If cracks are detected, the hoist must be removed before further flight or deactivated with placards installed. Installation of affected hoists on helicopters without them requires prior inspection or modification as specified.

Summary

EASA Airworthiness Directive 2019-0191-E is an emergency directive addressing safety concerns for all serial numbers of PZL W-3A helicopters manufactured by WSK “PZL-ŚWIDNIK” S.A. It mandates inspections and replacements related to the hoist carrier assembly brackets and bolts, specifically parts with numbers 39.30.205.03.01, 39.30.213.00.00, and hoists type 76378. The directive aims to prevent potential detachment of the hoist bracket that could cause damage, injury, or loss of life.

What changed

This directive introduces mandatory repetitive inspections of the sealing compound around affected hoist brackets and requires replacement of the affected bolts at specified intervals. It also provides alternative methods such as deactivating the hoist with placards if immediate replacement or removal is not feasible. The directive is an interim measure pending further investigation and potential future actions.

Why it matters

Compliance with EASA Airworthiness Directive 2019-0191-E is critical for operators and maintenance organizations to ensure the structural integrity of the hoist assembly on PZL W-3A helicopters. Failure to detect and correct the issue could lead to serious safety hazards including helicopter damage and risk to personnel or cargo. This directive ensures continued airworthiness and regulatory compliance under EU aviation safety regulations.

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