TM 55-1520-240-PM
1-11. MAINTENANCE OPERATIONAL CHECKS (MOCS).
After the completion of any required corrective action to any of the components
of a functional system of the aircraft, MOCs shall be performed on that system
to determine the effectiveness of the maintenance actions performed and to
verify the proper operation of that system (refer to TM 55-1520-240-T). These
MOCs shall be performed in accordance with TM 1-1500-328-23.
1-12. MAINTENANCE TEST FLIGHT (MTF).
When all required inspections in Section II have been accomplished and
initialed in accordance with the above procedures, the MTF shall be performed
in accordance with the requirements of TM 1-1520-240-MTF and TM 1-1500-
328-23 using the MTF form in the TM 1-1520-240-MTF manual.
1-13. CHECKLIST DISPOSITION.
The completion of each phased maintenance inspection shall be recorded
on applicable aircraft forms as addressed in DA PAM 738-751. The signed
checklist, together with all forms prescribed by DA PAM 738-751 will be filed
for a period of six months. At the end of the six-month period, disposition of
forms will be in accordance with DA PAM 738-751.
1-14. INSPECTION AREAS.
Figure 1-4 shows the inspection area of the CH-47D aircraft. Figure 1-5 shows
the location of access doors and panels which require removal at various
phased maintenance inspections.
1-15. SERIAL NUMBER CHECKLIST (FIGURE 1-6) AND EQUIPMENT
INVENTORY CHECK.
After all corrective actions have been completed and following completion of
the Phased Inspection, the Technical Inspector shall make a serial number ver-
ification check, aircraft component historical record and an aircraft equipment
inventory check in accordance with DA PAM 738-751.
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