AD 47-42-09
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
Aileron hinge plates at wing Stations 421, 485, 585, and 675 were fabricated from overgage stock, causing an interference fit between the plate and the clevis fitting.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect hinge plates and fittings at specified stations to ensure they conform to specified tolerances. Rework plates exceeding width limits with emery cloth and apply zinc chromate primer. Anodize fittings installed over oversize plates and inspect before reinstallation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
not later than next No. 3 inspection (or not later than next 150 hours for noncarrier operations)
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, 42855, 42858 through 42865, 42869 through 42880, 42882 through 42891, 43000 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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.