AD 92-25-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Kelowna Flightcraft R & D Ltd. | 240 Series | Airworthiness Directives; General Dynamics, Convair Division Model 240, 340, 440, and C-131 (Military) Airplanes |
| aircraft | Kelowna Flightcraft R & D Ltd. | 340 | Airworthiness Directives; General Dynamics, Convair Division Model 240, 340, 440, and C-131 (Military) Airplanes |
| aircraft | Kelowna Flightcraft R & D Ltd. | 440 | Airworthiness Directives; General Dynamics, Convair Division Model 240, 340, 440, and C-131 (Military) Airplanes |
| aircraft | Kelowna Flightcraft R & D Ltd. | Military C-131B | Airworthiness Directives; General Dynamics, Convair Division Model 240, 340, 440, and C-131 (Military) Airplanes |
| aircraft | Kelowna Flightcraft R & D Ltd. | Military C-131D | Airworthiness Directives; General Dynamics, Convair Division Model 240, 340, 440, and C-131 (Military) Airplanes |
| aircraft | Kelowna Flightcraft R & D Ltd. | Military C-131E | Airworthiness Directives; General Dynamics, Convair Division Model 240, 340, 440, and C-131 (Military) Airplanes |
| aircraft | Kelowna Flightcraft R & D Ltd. | Military C-131F/R4Y-1 | Airworthiness Directives; General Dynamics, Convair Division Model 240, 340, 440, and C-131 (Military) Airplanes |
Unsafe Condition
Degradation of the structural capabilities of the airplane due to problems associated with corrosion.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct initial inspections within one year after the AD's effective date, following intervals in the 'Initial' column of the Document ZS-340-2000. Repeat inspections per the 'Follow-on' column. Alternatively, revise the maintenance program to include Document inspections within one year, then follow the same intervals. Repair corrosion using the SRM or approved method before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within a period of time, measured from a date one year after the effective date of this AD, not to exceed the applicable interval specified in the 'Initial' column of the Document.
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Affected Aircraft
General Dynamics, Convair Division Model 240 (including T-29 military), 340, 440, C-131 military airplanes; all serial numbers, including turbo-propeller modified models (580, 600, 640 series).
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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