AD 47-42-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-6 | Airworthiness Directives; DOUGLAS DC-6 |
| aircraft | The Boeing Company | DC-6A | Airworthiness Directives; DOUGLAS DC-6 |
| aircraft | The Boeing Company | DC-6B | Airworthiness Directives; DOUGLAS DC-6 |
Unsafe Condition
The gust lock control could become engaged during flight or taxiing, potentially leading to unsafe operation of the elevator, rudder, and aileron gust locks.
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Required Actions
Install a latch control assembly (P/N 4356957) to secure the control handle in the gust lock 'Off' position. Rework the gust lock link assembly (P/N 4248396) by replacing spring (P/N 2356732 or 1248420), plunger (P/N 1248421), and installing a new bolt (P/N 1356885). Rework elevator, rudder, and aileron gust locks by replacing shaft (P/N 1165869) with piston (P/N 2356840). Ensure proper rigging of the gust lock control system.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
not later than April 1, 1948
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Affected Aircraft
Douglas DC-6, DC-6A, DC-6B models with serial numbers 42854 to 42896, Inclusive; 43000 to 43018, Inclusive; 43035 to 43042, Inclusive; 43055 to 43057, Inclusive; 43062 to 43064, Inclusive; and 43105.
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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