AD 43-12-01

final rule
Data completeness: 60%

DOUGLAS Model DC3A Aircraft

AD Number
43-12-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company DC3A-S1C3G DOUGLAS Model DC3A Aircraft
aircraft The Boeing Company DC3A-S1CG DOUGLAS Model DC3A Aircraft
aircraft The Boeing Company DC3A-S4C4G DOUGLAS Model DC3A Aircraft
aircraft The Boeing Company DC3A-SC3G DOUGLAS Model DC3A Aircraft
aircraft The Boeing Company DC3A-SCG DOUGLAS Model DC3A Aircraft

Unsafe Condition

Cracks in elevator hinge brackets due to vibration-induced fatigue from engine speeds between 1,300 and 1,600 r.p.m.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect elevator hinge brackets during periodic inspections and replace if cracks are found. Avoid continuous engine operation between 1,300 and 1,600 r.p.m. during cruising flight, maintaining a minimum of 1,700 r.p.m.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

At each periodic inspection

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

The Boeing Company DC3A-S1C3G, DC3A-S1CG, DC3A-S4C4G, DC3A-SC3G, DC3A-SCG aircraft

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.

View Official Source ↗ Find More ADs for The Boeing Company DC3A-S1C3G

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90-05-08

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Unsafe Condition: Revise Inspection Program

Effective: Apr 19, 1990 Category: aircraft

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