TM 55-1520-240-PM PHASE NO. _____ Area Name and No. Aircraft Serial No. Date FORWARD ROTOR, CROWN, AND TUNNEL, AREA #7 Inspect Phase No’s Inspection Requirements Status Faults and/or Remarks Action Taken Initial ALL/C 7.4 Tunnel access covers for damage, cracks, twisting, delamination, and security. Latches and receptacle for looseness, wear, and proper operation. Seals for cuts, cracks, deterioration, and security. Support struts for security and loose or missing hardware. Access 34, 35, 36, 37, 38, 39 ALL 7.5 Electrical wiring and connectors in tunnel area for security.  Wiring for chafing and proper support. Insulation for cuts, cracks, and fraying. Access 30, 72 ALL 7.6 Antennas and supports for damage, security and condition of electrical connectors. ALL 7.7 Flight boost power control module housing and support structure for cracks, damage, and buckling. Access 30, 72 2, 4, C 7.8 Replace No. 1 flight boost pressure and return filter elements. "FOD REMINDER" Check work area for tools and parts after completion of maintenance and inspection. 2-45