Section II. GENERAL MAINTENANCE SPECIFICS
2-5 Shelf and Service Life Criteria.
Maintenance Responsibilities and Backlog
Shelf life is defined as a specified time an item
remains in storage in the original container. Service life
a. Responsibilities. The maintenance of para-
begins when an item is placed in use and is a specific
chutes and other airdrop equipment will be
time period. Shelf and service life limitations for airdrop
accomplished by the various levels of maintenance as
equipment are as follows:
prescribed by the applicable equipment maintenance
a. Personnel Parachutes
. Shelf and service life for
publications. Responsibilities of each maintenance level
personnel parachute shall be as stipulated in TB 43-
and the concepts of equipment maintenance are defined
in AR 750-1.
b. Other Airdrop Items. There are no shelf or
b. Parachute Maintenance Back/log. A backlog of
service life limitations prescribed for cargo parachutes,
parachute maintenance work at a direct support
pilot parachutes used with cargo parachutes, extraction
maintenance level within CONUS will not exceed 60
parachutes, drone-recovery parachutes, or other airdrop
workdays. The 60-workday criteria, however, does not
equipment. However, it is essential that all airdrop
apply to modification work being performed at the direct
equipment be carefully monitored for evidence of
support level or a parachute maintenance backlog which
has occurred as a result of scheduled maneuvers. To
alleviate a parachute maintenance backlog at the direct
c. Emergency Parachute Assemblies (Aircraft
support level within CONUS which exceeds 60
Installed). Components which have more than ninety
workdays, prepare and forward a request for disposition
(90) days service life remaining, may be repacked and
through command channels to Commander, US Army
issued for service.
It is the responsibility of the
Development and Readiness Command. A backlog at
parachute packer to enter the next repack due (NRD)
an overseas installation will be regulated by the division
date in the parachute log record, DA Form 10-42 or
or area commander, as required.
3912. The next due date will be entered on the line
below the date repacked entry and will contain the
acronym "NRD" and the packer's "initials" in the bag
2-4. Repair Limitations.
number column. The date entered on this line will
The amount and types of repair which may be
reflect either the normal repack cycle date or the
performed on a parachute or other airdrop item will be
emergency parachute assembly, whichever occurs first.
as authorized by the applicable technical publication
It is the responsibility of the using organization to insure
pertinent to the individual item. In some instances,
that parachute assemblies are removed from aircraft
certain repair procedures may be prohibited entirely.
and returned to the parachute repack facility by the next
Regardless of the situation or the item type, any and all
repack due (NRD) date.
repair limitations specified for an airdrop item will be
strictly adhered to as prescribed in TB 43-0002-4 and