AD 2020-15-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | PZL | Swidnik S.A. | Airworthiness Directives; PZL Swidnik S.A. Helicopters |
Unsafe Condition
Cracks on the Main XMSN case housing, which could lead to structural failure and loss of load carrying capabilities of the Main XSMN, possibly resulting in loss of helicopter control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the Main XMSN case for a crack, a surface scratch, any paint coat chipping, and any oil leak within 5 hours time-in-service (TIS), and thereafter at intervals not to exceed 25 hours TIS. Remove the Main XMSN from service before further flight if any of those conditions exist.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 5 hours time-in-service (TIS), and thereafter at intervals not to exceed 25 hours TIS.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
PZL Model PZL W-3A helicopters serial number up to and including 3X.10.12 with Main XMSN case part number (P/N) 64.21.0105 or P/N 64.22.0161 installed on WR-3 Main XMSN P/N 64.21.3000 or P/N 64.21.4000.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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