Rusty Bolts Force Inspections on Polish-Made Army Helicopters
Published Date: 1/22/2026
Rule
Summary
If you own or fly a PZL-Swidnik W-3A helicopter, listen up! The FAA found rust on some main rotor blade bolts and now requires regular checks, repairs, or replacements to keep things safe. These rules kick in February 6, 2026, so get ready to inspect, report, and keep your chopper flying smoothly without breaking the bank.
Analyzed Economic Effects
4 provisions identified: 1 benefits, 3 costs, 0 mixed.
Mandatory MRB Bolt Inspections and Repairs
If you own or operate a PZL W-3A helicopter, you must remove, clean, and inspect each main rotor blade (MRB) attachment bolt P/N 37.21.000.50.00 within 100 hours time-in-service (TIS) or 3 months, whichever comes first, after February 6, 2026. If defects are found you must repair bolts within repairable limits or remove and replace bolts before further flight, and then repeat inspections at either every 300 hours TIS or 12 months (in some cases) or every 25 hours TIS or 6 months as specified in the AD's inspection table.
Mandatory Inspection Reporting to Manufacturer
After each inspection you must report the inspection results to PZL-Swidnik S.A. within 30 days. The rule estimates public reporting will take about 1 hour per response (OMB Control Number 2120-0056).
Prohibition on Installing Uninspected Bolts
As of February 6, 2026, you may not install MRB attachment bolt P/N 37.21.000.50.00 on any helicopter unless that bolt has been inspected in accordance with this AD. This limits use of that part until it has passed the required inspection or repair process.
No U.S. Compliance Costs Today
The FAA states there are no costs of compliance with this AD because there are currently no PZL W-3A helicopters on the U.S. Registry. That means no immediate compliance spending is expected from U.S. operators right now.
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