AD 2008-16-17

final rule
Data completeness: 70%

Airworthiness Directives; PZL Swidnik S. A. Model W-3A Helicopters

AD Number
2008-16-17
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2008-0844
FR Citation
73 FR 47822

Applicability

TypeManufacturerModelDetails
aircraft Aviat Various Airworthiness Directives; PZL Swidnik S. A. Model W-3A Helicopters

Unsafe Condition

Leakage was found in the pipe 37.59.006.00.00 installed in the pressure line of hydraulic system 2, in the part between the hydraulic block and the ground hydraulic unit panel. This condition, if not corrected, could result in a fire hazard.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Modify hydraulic systems 1 and 2 between the hydraulic blocks and the hydraulic ground unit panel by disconnecting the pipes, part number (P/N) 37.59.233.00.00 and P/N 37.59.234.00.00, from the hydraulic blocks, plugging the blocks and disconnected pipes, and securing the pipes, as specified in the referenced service bulletin.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within the next 10 hours time-in-service (TIS) or 3 months, whichever occurs first.

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Affected Aircraft

PZL Swidnik S.A. Model W-3A helicopters, all serial numbers, certificated in any category.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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