AD 73-24-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eagle Balloons Corp. | 30-AL | Airworthiness Directives; Semco Model 30-AL, TC-4A, and "Model T," Balloons |
| aircraft | Eagle Balloons Corp. | T | Airworthiness Directives; Semco Model 30-AL, TC-4A, and "Model T," Balloons |
| aircraft | Eagle Balloons Corp. | TC-4A | Airworthiness Directives; Semco Model 30-AL, TC-4A, and "Model T," Balloons |
Unsafe Condition
Inadvertent fuel leakage due to improper connection of the vertical fuel hose coupler assembly (Amflo quick change couplers and plugs) on Semco Model 30-AL, TC-4A, and Model T balloons.
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Required Actions
Remove Amflo female coupler C-2 and male plug CP-1, install Amflo male plug CP-2 or female coupler C-1, or alternatively remove components and install AN 901-2 coupling and AN 911-2 nipple with approved parts on the vertical fuel hose and fuel tank connections.
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Compliance Time
within the next 25 hours time in service after the effective date of this AD
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Affected Aircraft
Semco Model 30-AL (serials SEM C1, SEM C2, SEM 11-SEM 118), TC-4A (serials SEM 81-SEM 118), and Model T (serials SEM 28, SEM 60-SEM 78 inclusive except SEM 63, SEM 74-SEM 75) balloons.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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