AD Amdt-39-12143

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Dowty Aerospace Propellers Model R381/6-123-F/5 Propellers

AD Number
Amdt-39-12143
Status
final_rule
Effective Date
Product Category
propeller
Docket
Docket No. 99-NE-43-AD
FR Citation
66 FR 15022

Unsafe Condition

Propeller blade cracks across the camber face, which if not detected, could result in propeller blade separation and possible aircraft loss of control.

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

Required Actions

Perform initial and repetitive visual inspections of propeller blades for cracks across the camber face in accordance with Dowty Aerospace Propellers Service Bulletin S2000-61-75, Revision 4. Initially, conduct a visual inspection within 50 hours time-in-service after the effective date of this AD. Thereafter, inspect at intervals not to exceed 600 hours time-in-service since last inspection. Replace cracked propeller blades prior to further flight with serviceable blades.

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

Compliance Time

Within 50 hours time-in-service after the effective date of this AD.

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

Affected Aircraft

Dowty Aerospace Propellers Model R381/6-123-F/5 propellers, installed on but not limited to SAAB 2000 series airplanes.

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

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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View Official Source ↗