24-FOOT DIAMETER TROOP CHEST RESERVE (T-10R) PARACHUTE AND THE MIRPS
PREVENTIVE MAINTENANCE CEHCKS AND SERVICES (PMCS), INTRODUCTION
The following paragraphs contain general information pertaining to unit and direct support maintenance
procedures. Table 1 lists preventive maintenance checks and services. The purpose of PMCS is to
ensure that the parachute is operational.
Frequency of Performing PMCS. PMCS will be performed before equipment is packed for use, during
modification and repair after use, or at any time deemed necessary by air delivery equipment
PMCS Columnar Entries Table 1. Enter data in columns as follows:
1. Item Number. The item number column shall be used as a source of the item number required for the
TM Number column on DA Form 2404 (Equipment Inspection and Maintenance Worksheet) when
recording the results of PMCS.
2. Interval. This column identifies the required PMCS interval.
3. Item to be inspected. Contains the common name of the item to be inspected.
4. Procedures. Provides a brief description of the procedure by which the checks are to be performed.
Recording Defects. All defects discovered during the inspection will be recorded using the applicable
specifics in DA Pamphlet 738-750, DA PAM 738-751, and TB 43-0002-43.
Overage Items. During any inspection or at any time that an item is found to be overage (shelf/service
life has expired as specified in TB 43-0002-43) the item will be removed from service, condemned, and
tagged in accordance with DA PAM 738-751.
Conservation of Resources. To conserve time and labor, and to avoid evacuation to a maintenance
activity, unit/detachment commanders may designate, in writing, rigger personnel to accomplish
classification inspection of overage air delivery equipment.
Inspection Function Requirement. Normally, a technical/rigger-type inspection will be performed by air
delivery equipment maintenance personnel at a packing, rigging, or repair activity. The inspection of
initial receipt items will be performed as a separate function from packing or rigging activity; the item to be
inspected will be placed in proper layout on packing surface or suitable sized floor area. Should defect or
damage be discovered, at any point during inspection, the inspection will be terminated and the
applicable item will be processed and forwarded to repair activity. The repair activity in turn, will conduct
a technical/rigger-type inspection that will be performed by only those parachute rigger personnel cited in
AR 750-32, Airdrop Parachute Recovery and Aircraft Personnel Escape Systems. The repair activity
inspection of personnel parachutes will be made on a shadow table. Any defect discovered during a unit
level repair activity inspection, which exceeds the capability of that activity, will require the affected item to
be evacuated to a maintenance function for further determination of economic repair and repair
accomplishment, if applicable.
Parachute Repack Interval. The T-10R and the MIRPS will be repacked at a scheduled interval to
insure airworthiness. When necessitated by climate/storage/use condition, the local airdrop equipment
maintenance officer may require more frequent repack intervals. In this regard, of major concern would
be rapid fluctuations of temperature, fluctuations around 32 degrees Fahrenheit freezing point, sustained
high or low temperature, or high humidity and heavily polluted atmosphere.
The T-10R and the MIRPS will be repacked at a 365-day interval except in climatic category 7 and 8 (see