Document ID: chunk:federal_register_of_legislation:F2005L01319:body:0:p2
Version: federal_register_of_legislation:F2005L01319
Segment Type: other
Provision Reference: 
Character Range: 2901–5368

in an approved manner.

             Note 1:  A P/N A-2047 bolt has the letter "H" stamped inside a triangle on the bolt. A P/N B-3339 bolt has the P/N stamped inside the cupped head.

                  b. During torque check per Requirement 2 (a) of this AD, if the torque of any one of the bolts is found to be less than 100 ft.-lbs., remove all eight bolts and washers and replace with P/N B-3339 bolts and P/N A-2048-2 washers, or other equivalent approved serviceable bolts and washers, using procedures described in Requirement 1 of this AD.

                  c. During torque check per Requirement 2 (a) of this AD, if the torque of each P/N A-2047 bolt is in compliance, then at next propeller disassembly, remove all eight bolts and washers and replace with P/N B-3339 bolts and P/N A-2048-2 washers, or other equivalent approved serviceable bolts and washers.  Use procedures described in Requirement 1 of this AD.

             Note 2:  Hartzell Service Instructions No. 140A, Revision 9, dated 30 March 2005 is the latest service information that pertains to the subject of this AD.

             Note 3:  FAA Airworthiness Directive (AD) 83-08-01 R2 Amendment 39-14043 refers.
Compliance:     1. Whenever a new or a serviceable propeller is installed on an aircraft after the effective date of this AD.

                  2. a. Within the next 300 hours time-in-service, after the effective date of this AD.

                  b. Before further flight.

                  c. At the next propeller disassembly, after the effective date of this AD.
             This Amendment becomes effective on 7 July 2005.

Background:  An improperly secured propeller or failure of propeller attaching bolt can lead to the separation of the propeller from the airplane, resulting in loss of aircraft and / or the occupants.

             This actions specified in this Airworthiness Directive minimize the safety risks associated with the loss of propeller.

             Current amendment allows the use of equivalent approved serviceable bolts and washers.

             Amendment 7 was raised to mandate compliance with Issue 6 of Hartzell SI 140A.

             Amendment 8 was raised to mandate compliance in accordance with Hartzell Alert SB A203, for those aircraft fitted with Hartzell B5MP propellers.

             AD/PHZL/44 Amendment 8 became effective in 1994.

James Coyne
Delegate of the Civil Aviation Safety Authority

19 May 2005