AD 47-06-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC3-G102 | DOUGLAS Model DC3 Series Aircraft |
| aircraft | The Boeing Company | DC3-G102A | DOUGLAS Model DC3 Series Aircraft |
| aircraft | The Boeing Company | DC3-G103A | DOUGLAS Model DC3 Series Aircraft |
| aircraft | The Boeing Company | DC3-G202A | DOUGLAS Model DC3 Series Aircraft |
| aircraft | The Boeing Company | DC3A-S1C3G | DOUGLAS Model DC3 Series Aircraft |
| aircraft | The Boeing Company | DC3A-S1CG | DOUGLAS Model DC3 Series Aircraft |
| aircraft | The Boeing Company | DC3A-S4C4G | DOUGLAS Model DC3 Series Aircraft |
| aircraft | The Boeing Company | DC3A-SC3G | DOUGLAS Model DC3 Series Aircraft |
| aircraft | The Boeing Company | DC3A-SCG | DOUGLAS Model DC3 Series Aircraft |
| aircraft | The Boeing Company | DC3C-R-1830-90C | DOUGLAS Model DC3 Series Aircraft |
Unsafe Condition
Excessive wear of the aluminum conduit covering the fire extinguisher release cable causes increased trigger pull force exceeding 50 pounds in the CO2 fire extinguishing system.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Check the trigger pull force on the CO2 fire extinguishing system. Replace the aluminum conduit if the trigger pull exceeds 50 pounds due to conduit wear. Repeat the check at each specified inspection period until the aluminum conduit is replaced with stainless steel conduit.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
not later than the next periodic inspection, or in the case of scheduled air carrier aircraft, at the next major inspection
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
The Boeing Company DC3 Series Aircraft including models DC3-G102, DC3-G102A, DC3-G103A, DC3-G202A, DC3A-S1C3G, DC3A-S1CG, DC3A-S4C4G, DC3A-SC3G, and others as listed.
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.