MIL-HDBK-1390
5.7.2.3 EMD phase. As in the TMRR phase, a LORA is also generally applicable in the EMD phase. The
EMD phase results in a prototype product for test and evaluation, including the associated support concept. Detailed
design engineering, parts selection, and fine tuning of performance are primary activities of this phase. Design
influence is limited to items at the subsystem/item level, as well as to details such as, packaging, partitioning,
testability, and accessibility. The support system is fairly well defined. The LORA is used to optimize the support
system and determine an optimal maintenance concept for the system/equipment. This requires data in sufficient
detail to complete a Core Logistics Analysis which is used as input to the Depot Source of Repair Analysis per
DoDI 5000.02. LORA, in conjunction with detailed engineering design analyses, can verify the economics and
engineering viability of repair level or discard alternatives at the module level. In addition, BIT versus Automated
Test Equipment (ATE) tradeoffs can result in further design optimization. LORAs conducted in this phase are
usually detailed and consider both the economic and noneconomic factors of the repair level or discard alternatives.
B
C
Engineering and Manufacturing Development Phase
Initial Product
Detailed Design and Support System Definition
Baseline
5.1
thru
CPD
5.4
6.2
6.4
6.5
6.7
Product Support Structure Outcomes:
12.1
7.1
·
Updated Product Support Analysis Strategy
thru
7.2
14.1
Product Support Package
·
Updated Product Support Analysis Plan
12.11
7.3
·
Organic vs. Contractor Support Decisions
4.1
1.1
·
Maintenance Plans
2.1
·
Identification of Maintenance Levels
thru
From FIGURE 4
1.2
8.5
·
Supply Support
2.2
·
4.4
1.3
Corrective Maintenance Tasks
·
Support & Test Equipment
·
13.1
9.1
Preventive Maintenance Tasks
·
16.1
Tech Data & IETMs
·
thru
thru
Servicing
·
16.2
Manpower & Personnel
13.5
9.10
·
Support Equipment Calibration
·
Training CBT
17.1
To FIGURE 6
·
Facilities
thru
TA-STD-0017,
·
PHS&T
10.2
17.5
Activity 11.7
·
Computer/Software Support
thru
Level of Repair
10.5
Analysis
Logistics Product Data
Product Support Arrangements:
·
Performance Based Contracts
11.1
& Agreements
thru
·
Organic Support
11.11
11.13
FIGURE 5. LORA requirement identified in the conventional PSA process flow for EMD phase
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