TM 55-1520-240-PM
1-5. PRE-INSPECTION MAINTENANCE TEST FLIGHT (MTF).
A pre-inspection MTF to duplicate non-hazardous equipment problems, to
determine unsatisfactory conditions and equipment operation problems, etc.,
is recommended prior to start of aircraft disassembly for Phased Maintenance
inspection; the decision to perform the pre-inspection MTF, however, shall be
the responsibility of the unit Maintenance Officer.
1-6. SPECIAL INSPECTIONS, CALENDAR INSPECTIONS, AND LUBRI-
CATION REQUIREMENTS.
Special inspections, calendar inspections, and lubrication requirements
contained in TM 55-1520-240-23-1 and those listed on the applicable aircraft
forms as addressed in DA PAM 738-751 shall be reviewed and accomplished
in accordance with the "inspection due" requirements specified in those
documents.
1-7. TIME BETWEEN OVERHAUL (TBO) AND RETIREMENT LIFE ITEMS
CHECK.
Prior to start of the applicable phased maintenance inspection, a check will
be made of components and their remaining operating hours prior to removal.
Refer to the latest issue of TM 55-1520-240-23-1 and all applicable aircraft
forms as addressed in DA PAM 738-751 for a complete listing of components
and their TBO and retirement life.
1-8. USING THE PHASED MAINTENANCE INSPECTIONS CHECKLIST.
For use of the checklist, refer to DA PAM 738-751 and Figure 1-1.
1-9. FINAL RECORD CHECK.
After all corrective actions have been completed and following completion of
the phased inspection, the Technical Inspector shall verify that all applicable
forms and records have been properly updated. All uncorrected faults shall
be entered on applicable aircraft forms as addressed in DA PAM 738-751.
A Final Records Checklist (Figure 1-2) is provided to ensure that forms and
records have been inspected for completeness and accuracy prior to release
of the aircraft from the phased maintenance inspection. Upon completion, the
inspector verifying the final record check, shall enter his initials adjacent to the
indicated form or record on the Final Record Checklist.
1-10. SIGNATURE SHEET.
All personnel performing inspection and/or maintenance tasks shall place
their signatures and initials on the Signature Sheet (Figure 1-3). The purpose
of the signature sheet is to provide a correlation between the initials entered
on the individual checklist sheets and the actual names of the personnel
accomplishing these tasks.
1-2
