AD 47-51-15
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
Original Raybestos brake lining, P/N 9520535, may malfunction.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace original Raybestos brake lining P/N 9520535 with Goodyear BL-56 lining P/N 9521091, identified by two yellow dots.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
not later than next No. 3 inspection
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 42888; 42890; and 42891; 43000 Through 43003; 43005 Through 43009; 43055; and 43056.
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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