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 7.27 Inspect forward transmission oil cooler impeller installation. Refer to TM 55-1520-240-23. ALL/C 7.28 Remove and inspect forward transmission synch shaft adapter. ALL/C 7.29 Forward transmission cooling fan (inlet duct removed) for cracks, nicks, and damage or corrosion of impeller, diffuser, or housing. Impeller for evidence of tip rub. ALL/C 7.30 Remove and inspect forward transmission main and aux oil filters and debris detection screens. ALL 7.31 Forward transmission cooler air inlet (behind STA 120.00) for cleanliness and foreign objects. Entire compartment for debris. "FOD REMINDER" Check work area for tools and parts after completion of maintenance and inspection. 2-50