AD 47-51-16
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
Failure of the flap hinge support assembly in flight due to insufficient strength of the flap support assembly at wing Station 378.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove and replace Shafer bearings P/N AB-4A with P/N AB-5A, rework outboard flap link support assembly P/N 5107188 to P/N 5107188-500 by line reaming, replace bushings P/N 1338719 with P/N 1338719-500 in flap hinge bracket assembly P/N 3320998, and reinstall components with specified bolts, washers, nuts, and cotter pins.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
not later than August 1, 1948
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Douglas DC-6, DC-6A, DC-6B models with serial numbers 42854-42880, 42882-42891, 43000-43009, 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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.