AD 2004-22-21
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | GROB-WERKE | Model G120A | Airworthiness Directives; GROB-WERKE Model G120A Airplanes |
Unsafe Condition
Disbonding/crack in the area between the vertical stabilizer main spar and nearby stabilizer skin, which could result in possible structural failure and difficulty in airplane flight control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the area between the vertical stabilizer main spar and nearby stabilizer skin for disbonding/crack; repair any disbonding/crack found; calculate weight and balance after any repair.
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 December 27, 2004, unless already done. Repetitive inspections are required every 50 hours time-in-service thereafter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
GROB-WERKE Model G120A airplanes, 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 6, 2026
Rights: U.S. Government Public Domain
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