AD 83-06-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Polskie Zaklady Lotnieze Spolka zo.o | PZL M18 | Airworthiness Directives; Wytwornia Model PZL M18 Series Airplanes |
Unsafe Condition
Inflight engine shutdown due to unmonitored fuel transfer between tanks, mechanical linkage interference in power controls, and possible head injury to pilot during hard landing.
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Required Actions
Install non-return valves (P/N D61.170.00.G), a second fuel quantity gauge (P/N 64126 or 6246-8), and fuel filler placards per procedures III.A, B, H of Mandatory Bulletin I/009/81. Inspect and adjust support tube (P/N D65.250.00.2) installation to ensure proper clearance between propeller governor push rod and carburetor levers per procedure III.D. Replace sunlight filter position adjustment butterfly nut with ball knob (P/N D74.280.00.0) per procedure III.F.
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Compliance Time
Within the next 50 hours time-in-service after the effective date of this AD
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Affected Aircraft
Wytwornia Model PZL M18 (Serial Nos. 1Z001-01 through 1Z001-05, 1Z001-08 through 1Z001-10, 1Z002-01 through 1Z002-05, 1Z003-01 through 1Z003-10, 1Z004-01 through 1Z004-10, and 1Z005-01 through 1Z005-14)
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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