Document ID: chunk:federal_register_of_legislation:F2006B06220:body:0:p1
Version: federal_register_of_legislation:F2006B06220
Segment Type: other
Provision Reference: 
Character Range: 4–3455

Propellers - Variable Pitch - Hartzell

    AD/PHZL/60
    Amdt 4

    Three Bladed 'Y' Shank Aluminium Hubs 13/94

               Applicability: All HC-( )3Y( )-( ) propellers with the model designations and serial number range with pre 1983 hubs listed below installed on any agricultural aircraft with any engine, or installed on any aircraft fitted with Textron Lycoming TIO-540 or LTIO-540 series engines, or IO-540 series engines that have a turbocharger.

               Hub Model Serial Number Range

               PHC-C3YF-1R( ) EE1 through EE1461

               PHC-J3YF-1R( ) FP1 through FP37

               PHC-L3YF-1R( ) FD1 through FD7

               HC-C3YF-1R( ) EC1 through EC1020

               HC-C3YK-1( ) CT1 through CT101

               HC-C3YK-1R( ) or HC-C3YR-1R( ) DY1 through DY1897

               HC-C3YK-2( ) or HC-C3YR-2( ) CK1 through CK3510

               HC-C3YK-4( ) or HC-C3YR-4( ) EL1 through EL67

               HC-E3YK-1( ) or HC-E3YR-1( ) FM1 through FM487

               HC-E3YK-2( ) or HC-E3YR-2( ) DF1 through DF79

               HC-E3YK-2A( ) or HC-E3YR-2A( ) DJ1 through DJ7787

               HC-F3YK-2( ) or HC-F3YR-2( ) DA1 through DA1586

               HC-F3YK-1( ) or HC-F3YR-1( ) DB1 through DB137

               HC-I3YK-2( ) or HC-I3YR-2( ) FD1 through FS32

               The known affected propellers are generally installed on but not limited to the following aircraft.

               Agricultural Aircraft

               Fletcher FU24-950

               Cessna A188 Agwagon modified by STC SA895SO

               Piper PA-36-285 and PA-36-300 (three bladed propellers only) PA-36-375

           PA-36 Pawnee modified by STC SA3952WE Transavia Airtruk model PL-12/T-300 Skyfarmer
Aircraft with Textron Lycoming (L)TIO-540 and Turbocharged IO-540 series engines

           Cessna 310 and 320 modified by Riley STC SA2082WE Gulfstream 700 (formerly Rockwell 700, Fuji FA-300-12) Helio H-700
           Piper PA-23-250, PA-E23-250 (with TIO-540 only)

           Piper PA-31 Navajo (with TIO-540 only)

           Piper PA-31-325 Navajo C/R

           Piper PA-31-350 Navajo "Chieftain" Piper PA-31P-350 Mohave
           Piper T-1020 (same as PA-31-350) Piper A-32(R)-301T Turbo Saratoga
           Aerostar PA-60-600, PA-60-601, PA-60-601P PA-60-602P, and PA-60-700P

             Requirement: 1. Carry out a visual inspection of the hub using a 10X glass looking for signs of cracking or grease leakage. Replace any hub found cracked prior to further flight. Perform an eddy current or dye penetrant inspection in accordance with the procedures specified in Hartzell SB 165E on any of the above specified model and S/N propellers installed on any agricultural aircraft or Piper PA-31-325 Navajo C/R, Piper PA-31-350 Navajo "Chieftain", Piper T-1020 (same as PA-31-350), PA-60-700P or Aerostar 700P aircraft.

             2.    For all other aircraft types listed in this Directive carry out a visual inspection of the hub using a 10X glass looking for signs of cracking or grease leakage. Replace any hub found cracked prior to further flight. Perform an eddy current or dye penetrant inspection IAW the procedures specified in Hartzell SB 165E.

             3.    For propellers installed on agricultural aircraft or Piper PA-31-325 Navajo C/R, Piper PA-31-350 Navajo "Chieftain", Piper T-1020 (same as PA-31-350), PA-60- 700P or Aerostar 700P aircraft, replace pre 1983