AD 48-02-05
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
Hot exhaust burning through the exhaust stack recess sheet on the upper and lower outboard accessory cowling.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the present shield on the inboard side of the cowling and install a screw fastened exhaust chute of 0.042-thickness corrosion resistant steel sheet on the outboard side of the recess sheet. Ensure an air gap exists between the exhaust chute and the recess sheet for ram air heat dissipation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
by the first engine change after March 1, 1948
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Douglas DC-6 Serial Numbers 42854 Through 42880; 42882 Through 42884; 43000 and 43001.
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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