MIL-DTL-23618H(AS)
requirements specified for a phase inspection cycle are calendar sensitive, the requirements shall
be divided into phases based on calendar time.
3.2.1.4.3 Phase inspection interval. Each phase shall be accomplished at equal flight-hour or
calendar intervals. Scheduled flight-hour and calendar requirements shall not be intermixed in the
same phase manual. Requirements not compatible with the phase interval shall be accomplished
as Special inspections.
3.2.1.4.4 Phase inspection structure. The following guidelines shall be followed in
structuring each phase:
a. The amount of work to be accomplished by an inspection team should be limited to eight
hours or less of EMT.
b. When practical, divide each phase into approximately equal workloads.
c. Limit repetition of preparation requirements by giving special attention to equipment
removal, access openings, use of SE, engine operation, and checkflight requirements.
d. Within time limitations, group requirements that are functionally related in the same phase.
e. Group requirements so that they are compatible with the environment in which they shall
be performed, i.e., tasks requiring the aircraft to be on jacks should be put in the same
phase.
f. When feasible, group requirements to be accomplished using external power sources.
g. Inspection requirements that are common to all phases shall be consolidated in one deck
and shall be titled "Master deck". Inspection requirements that are performed on a
specific phase only shall be titled "Supplemental deck". To perform the inspection, the
master deck shall be issued along with the supplemental deck required for the specific
phase.
3.2.1.4.4.1 Zonal inspections. Zonal inspections shall be a requirement of the phase PMRMs
when the criteria of reliability centered maintenance (RCM) are met.
3.2.1.4.5 Arrangement. The arrangement of the phased maintenance requirement manual and
the format of each card within it shall be as follows:
a. Title card (see 3.3.1).
b. List of effective cards ("A" card) (see 3.3.3).
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