AD 90-17-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Polskie Zaklady Lotnieze Spolka zo.o | PZL M18 | Airworthiness Directives; Wytwornia Sprzetu Komunikacyjnego Pzl-Mielec Model M18 Series Airplanes |
Unsafe Condition
Failure of the vertical fin and rib in the area of the upper rudder attachment.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 50 hours time-in-service after the effective date, remove bolts attaching the fin to the rudder and inspect the vertical fin and rib for cracks or damage per PZL-Mielec MEB No. K/02.135/89. If cracks or damage are found, repair and reinforce the area before further flight. If no issues are found, reinforce within 500 hours TIS.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 50 hours time-in-service after the effective date of this AD, unless already accomplished.
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Affected Aircraft
Model M18 (Dromader) airplanes with serial numbers 1Z001-01 through 1Z021-30.
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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