Fabrication of a replacement Aerometals Heater Control Valve Assembly in accordance with Aerometals Master Drawing List No. Aero-MDL-007, Revision A, dated February 17, 2010, or later FAA-approved revision; and installation of this assembly in accordance with Aerometals Installation Instructions No. Aero-Inst-008, Revision NC, dated March 27, 2009, or later FAA-accepted revision.

Fabrication of Aerometals, LLC, Transmission Oil Seals in accordance with Master Drawing List Aero-MDL-004, dated November 9, 2009, or later FAA-approved revision; and installation in accordance with the corresponding Aerometals Installation Instructions, as referenced on the continuation page.

Fabrication of Aerometals, LLC, Transmission Oil Seals in accordance with Master Drawing List Aero-MDL-004, dated November 9, 2009, or later FAA-approved revision; and installation in accordance with the corresponding Aerometals Installation Instructions, as referenced on the continuation page.

Fabrication of AMC Part Number AM369D21308 main rotor spacer in accordance with AMC Master Drawing List No. MDL-AMC-016, Revision A, dated June 30, 2003, or later Federal Aviation Administration (FAA) approved revision. The main rotor spacer must be installed in accordance with AMC Installation Instructions AMC MI-03005, Revision IR, dated March 24, 2003, or later FAA approved revision.

Internal structural provision

Installation of a Tech Tools 369/500 bubble window in accordance with Brim Aviation Master Drawing List number BR600-010, revision NC, dated June 1, 2009, or later FAA-approved revision. This modification must be maintained in accordance with Brim Aviation Instructions for Continued Airworthiness number BR600-008, revision N/C, dated June 17, 2009, or later FAA-accepted revision.

Rapid removal door system hinges, installed in accordance with Certified Technology Installation Instructions CT9602-1, Revision C, dated January 1, 2000, or later FAA approved revision and manufactured in accordance with Certified Technology Drawing List CT9602, Revision E, dated January 10, 2000, or later FAA approved revision.