This technical document outlines the complete procedure for removing and installing VHF Navigation Line Replaceable Units (LRUs) on Boeing 737 aircraft. The guide includes essential pre-task preparations, safety considerations, required tooling, and proper documentation procedures. It serves as a practical task checklist for aviation maintenance technicians, ensuring compliance with Aircraft Maintenance Manual (AMM) specifications. The document covers equipment requirements, maintenance documentation verification, installation testing, and proper certification protocols. It includes sections for recording defects, photographic documentation, and necessary signatures for task completion verification.
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