AD 48-07-03
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 door latch bolts, operating mechanisms, or locking mechanisms could result in unintended door opening or malfunction during pressurized flight, compromising structural integrity and safety.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install new latch bolts with a notch for slow depressurization on specified doors; rework door operating and locking mechanisms to increase strength; install visual inspection plugs for lock bolt inspection; and install assist handles above main cabin door handles.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
September 15, 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 Through 42896; 43000 Through 43024; 43035 through 43053; 43055 Through 43064; 43103 Through 43119; 43129 and 43132.
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.