AD 51-25-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | T-50 | Airworthiness Directives; CESSNA Model T-50 Airplanes |
Unsafe Condition
Trapping of water in the horizontal stabilizer forward of the rear spar may result in glue line deterioration between laminations.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install grommets near the forward face of the rear spar and outboard edge of all ribs to drain water; relocate mislocated grommets; open plugged grommets with sharp-edged tools; inspect rear spar for deterioration by cutting triangular openings if grommets are mislocated, plugged, clogged, or not installed; replace spar or stabilizer if lamination separation is found. Inspect grommet openings every 100 hours using tools to check for blockages.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
prior to February 1, 1952
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Affected Aircraft
All Model T-50 Aircraft
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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