Appendix B. MAINTENANCE ALLOCATION CHART

TM 55-1740-203-13&P

APPENDIX B

M A I N T E N A N C E ALLOCATION CHART

Section I. INTRODUCTION

B - 1 . MAINTENANCE ALLOCATION CHART.

T h i s Maintenance Allocation Chart (MAC) assigns maintenance func-

t i o n s in accordance with the Three Levels of Maintenance concept for

T h e s e maintenance levels: Aviation Unit Maintenance

army aircraft.

(AVUM), Aviation Intermediate Maintenance (AVIM) and Depot Main-

tenance are depicted on the MAC as:

A V U M which corresponds to the O code in the Repair Parts and Spe-

cial Tools List (RPSTL).

AVIM which corresponds to the F code in Repair Parts and Special

Tools List (RPSTL).

D e p o t which corresponds to the D code in the Repair Parts and Spe-

c i a l TO OIS L i s t ( R P S T L ) .

T h e maintenance to be performed below depot and in the field is de-

scribed as follows:

(1) Aviation Unit Maintenance (AVUM). AVUM activities will be

staffed and equipped to perform high frequency "On-Equipment"

m a i n t e n a n c e tasks required to retain or return equipment to a

serviceable condition.

w i l l be governed by the MAC, and limited by the amount and

complexity of support equipment, facilities required, and num

ber of spaces and critical skills available. The range and

q u a n t i t y of authorized spare modules/components will be consis-

tent with the mobility requirements dictated by the air mobility

concept.

( A s s i g n m e n t of maintenance tasks to divisional compa-

n y size aviation units will consider the overall maintenance ca-

pability of the division, the requirement to conserve personnel

a n d equipment resources and air mobility requirements. )

(a) Company Size Aviation Units. Perform those tasks which

c o n s i s t primarily of preventive maintenance and mainte-

n a n c e repair and replacement functions associated with

sustaining a high level of equipment operational readiness.

P e r f o r m maintenance inspections and servicing to include

d a i l y , intermediate, periodic and special inspections as

authorized by the MAC or higher headquarters.

Identify

t h e cause of equipment/system malfunctions using applic-

able technical manual troubleshooting instructions. B u i l t -

In-Test-Equipment (BITE) , installed instruments, or easy

to use Test Measurement and Diagnostic Equipment (TMDE).

B-1