MIL-STD-1798 Mechanical Equipment And Subsystems Integrity ProgramThe purpose of this standard is to describe the general process to achieve and maintain the physical and functional integrity of the mechanical elements of aircraft systems. The goal of this integrity program is to achieve the desired level of safety and aircraft availability at the most economic cost across the life cycle of the weapon system. This standard allows the process to be tailored in a competitive environment to meet specific equipment, subsystem, and/or system requirements. The Mechanical Equipment and Subsystems Integrity Program MECSIP is implemented in the planning process and continued until retirement of the system.

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SUBTASK 1

SUBTASK 2

SUBTASK 3

SUBTASK 4

SUBTASK 5

Data Gathering and

Task Planning

Develop and Utilize a

Functional Systems

Integrated Database

Force Management

Execution

Preventative

Maintenance Actions

Manage Service Life

Extention and Final Five Years Prior to Retirement

1.  Establish a Systems Reliability Analyses Team (RAT) to assist in administration of sustainment efforts.

2.  Establish the sustainment philosophy.

3.  Gather OEM available maintenance data.

4.  Update/Generate

FMECAs and HAs.

5.  Execute EWIS Task 1.

6.  Review available data and:

a.  Identify safety- critical components

b.  Identify mission- critical components.

7.  Review the maintenance publications for all inspection requirements.

8.  Review the Work Unit Code (WUC) Manual for accuracy.

9.  Review time change requirements.

10. Verify technical data for both on- and off- equipment  repairs/ overhauls is available and current.

11. Determine Maintenance Data Collection system requirements.

12. Establish PQDR

procedures.

13. Equipment manufacturing and integration.

14. Develop a Cost of

Unreliability Model.

15. Include MECSIP in the overall aircraft maintenance program.

1.  Design a tracking and monitoring program:

a.  Develop safety- and mission-critical component inspection and/or replacement

interval.

b.  Develop component

MAP levels.

c.  Develop a program to identify items not reaching the MAP (alerts).

d.  Facilitate Engineering to communicate with Field personnel.

e.  Develop inspection

tracking programs. f.   Develop a tail

number part tracking program.

g.  Develop a system to track enroute/ deployed system reliability.

h.  Develop a program to track MICAP hours assessed to each component.

i.    Develop a program

to track CANNs on each component.

j.   Develop a program to identify and monitor MSI components.

k.  Develop a program to identify each component contribution to NMC status.

l.    Develop a program to identify

components causing air aborts.

m.  Develop a computerized Preview and In- depth Analysis Program.

n.   Develop a "Bad

Actor" Program.

1.  Monitor component repairs and overhauls:

a.  Fleet MTBF

b.  Serial number

MTBF

c.  ISO/HSC failures d.  MICAPs

e.  NMC (S)(M)(B)

f.   Air aborts

g.  Bulletin boards h.  CANNs

i.   PQDRs.

2.  Monitor component inspection and replacement criteria:

a.  WUC Manual

b.  Scheduled inspection requirements and replacement schedule

c.  Time changes

d.  Inspection work cards e.  PDM requirements.

3.  Monitor mishaps, Hazard Reports (HAZREPs), and deficiency reports for applicability to MECSIP- controlled components.

4.  Monitor data integrity.

5.  Risk Assessments

6.  Perform analysis:

a.  Preview b.  In-depth

c.  Analytical Condition

Inspection

d.  Equipment usage and environments.

7.  Manage Safety- and Mission-Critical Components.

8.  Manage Durability- Critical Components.

9.  Manage Durability- Noncritical/Expendable Components.

10.  Develop new MECSIP

parts:

a.  Follow MECSIP

development tasks;

b.  Update FMECAs and

HAs;

c.  Replacement of obsolete equipment;

d.  Environmental

regulations;

e.  Update the Safety- Critical Component list.

11. CDA/CLS tasks

12. Identify Technical needs for enhanced execution of the MECSIP

Program.

1.  Perform RCM/MSG-3 analysis and implement preventative maintenance actions as indicated:

a.  Lubrication or servicing for the purpose of maintaining inherent design capabilities; or,

b.  Additional operational checks to a task to determine if an item is fulfilling its intended purpose; or,

c.  An intensive visual examination of a specific area to detect damage; or,

d.  An act of restoration ranging from cleaning or replacement

to complete overhauls; or,

e.  A time change of the component

if a specific life

cycle can be determined; or,

f.   Any combination of the actions listed, above.

2.  Include periodic checks of all safety- critical emergency backup systems in the maintenance program.

3.  Develop a program for routine health assessment of the EWIS.

1.  MECSIP considerations for a Service Life Extenstion Program

2.  Execute an EWIS program to maintain integrity of the electrical wiring interconnect system.

3.  Establish an IPT with MAJCOMs, SOR, DLA, Wing Office, and AMARG to determine the most effective course of actions to take for:

a.  Supply

b.  Maintenance.

4.  Establish communication with a liaison at each

primary Base to assist the group Engineering team.

5.  Establish special procedures with MAJCOMs to allow the Wing Office to initiate lifetime procurement of components and spare parts for future requirements.

6.  Establish procedures with Item Managers

to use the components and spare parts located at AMARG effectively.

7.  Establish special procedures with DLA to allow all weapon- specific parts to be exempt from "excess" status.