AD 59-02-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-7 | Airworthiness Directives; DOUGLAS All DC-7 Series Aircraft |
| aircraft | The Boeing Company | DC-7B | Airworthiness Directives; DOUGLAS All DC-7 Series Aircraft |
| aircraft | The Boeing Company | DC-7C | Airworthiness Directives; DOUGLAS All DC-7 Series Aircraft |
Unsafe Condition
Engine cowling moving forward in flight and striking the propeller due to incorrect installation on its mountings.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform special inspections each time cowl segments are removed and replaced to ensure indexing means are in satisfactory condition and cowling is properly positioned. Install improved supports for indexing and aligning top left and right-hand cowling segments of each powerplant by November 1, 1959.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Not later than November 1, 1959, for the installation requirement. Special inspections required at next cowl removal and each subsequent removal and replacement.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Douglas DC-7, DC-7B, DC-7C series aircraft.
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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