AD 2007-26-09
Unsafe Condition
Failure of the propeller blade from fatigue cracks in the aluminum blade shank radius, which can result in damage to the airplane and loss of airplane control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect, rework, or replace all 'Y' shank aluminum blades, including cold rolling of the blade shank retention radius. Modify pitch change mechanisms for certain propeller models. Update airplane operating limitations for specific models of propellers installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance times specified in the AD, unless actions have already been completed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Hartzell Propeller Inc. models ( )HC-( )( )Y( )-( )( )( ) compact series constant speed or feathering propellers with Hartzell manufactured 'Y' shank aluminum blades, used on various airplane models including Aermacchi S-208, Aero Commander 200B and 200D, Aerostar 600, Beech 24, 35, 36, 45, 55, 56TC, 58, 60, and 95, Bellanca 14 and 17 series, Cessna 182 and 188, Embraer EMB-200A, Maule M5, Mooney M20 and M22, Pilatus Britten Norman BN-2, BN-2A, and BN-2A-6, Piper PA-23, PA-24, PA-28, PA-30, PA-31, PA-32, PA-34, PA-36, and PA-39, Pitts S-1T and S-2A, and Rockwell 112, 114, 200, 500, and 685 series.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.