AD 70-13-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Kelowna Flightcraft R & D Ltd. | 340 | Airworthiness Directives; GENERAL DYNAMICS Models 340 and 440 Series Airplanes |
| aircraft | Kelowna Flightcraft R & D Ltd. | 440 | Airworthiness Directives; GENERAL DYNAMICS Models 340 and 440 Series Airplanes |
Unsafe Condition
Cracks in the main windshield lower longeron splice channel P/N 340-3110113-15 could lead to failure of the windshield support structure and loss of pressurization.
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Required Actions
Inspect the longeron splice channel within 150 hours' time in service after the effective date or before 10,000 hours' time in service, whichever is later. If cracks are found, replace the channel before further flight or install a placard limiting operation to 18,000 feet, adjust cabin pressure relief valve, and conduct inspections every 150 hours until replacement within 1000 hours. After replacement, resume inspections every 2000 hours.
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Compliance Time
Within the next 150 hours' time in service after the effective date of this AD or before the accumulation of 10,000 hours' time in service, whichever occurs later
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Affected Aircraft
GENERAL DYNAMICS Models 340 and 440 Series airplanes including those modified with STC SA4-1100 or STC SA1096WE.
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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