DI-SESS-80983B

Reliability-Centered Maintenance (RCM) Additional Functionally Significant ITEM (AFSI) Selection Report

This report defines candidates for separate analysis due to their importance and complexity, providing format, content, and preparation instructions for the data product from MIL-STD-3034A work tasks.

Approval DateNovember 21, 2017

AMSC NumberN9875

Preparing ActivitySH

Project NumberSESS-2018-003

OPR—

DTIC Applicable—

GIDEP Applicable—

Limitation—

Applicable Forms—

Approval Limitation—

Form Version—

DID Formatfree_text

963C CompliantYes

DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.

Supersedes

DI-SESS-80983A

DI-PSSS-80979BDI-PSSS-80994BDI-PSSS-80981BDI-PSSS-80982BDI-PSSS-80980BDI-PSSS-80984BDI-PSSS-80985BDI-PSSS-80989BDI-PSSS-81829ADI-PSSS-80986BDI-PSSS-80988BDI-PSSS-80987BDI-PSSS-80990A

Description & Purpose

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Application & Interrelationship

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Use & Relationship

The Reliability-Centered Maintenance (RCM) Additional Functionally Significant Item (AFSI) Index Selection Report defines items considered to be candidates for separate analysis because of their importance and complexity.

This Data Item Description (DID) contains the format, content, preparation instructions and intended use information for the data product resulting from the work task described in 5.1.3 of MIL-STD-3034A.

Preparation Instructions

1Reference Documents.The applicable issue of the documents cited herein, including their approval dates and dates of any applicable amendments, notices, and revisions, shall be as specified in the contract.

2Format.The AFSI selection report shall be in a format similar to that of the sample form of Figure 1 of this DID.

3Content.The AFSI selection report shall contain all of the information specified in the sample form of Figure 1 of this DID and as specified in MIL-STD-3034A, paragraph 5.1.3.5.

3.1Block 1. ESWBS number.Enter the Expanded Ship Work Breakdown Structure (ESWBS) number for the Functionally Significant Item (FSI) candidate. If the candidate is below level 4 and does not have a unique ESWBS number, add a suffix to the level 4 ESWBS number and use this throughout the analysis.

3.2Block 2. Nomenclature AFSI candidate.Enter the nomenclature of the AFSI candidate.

3.3Block 3. Ship Class.Enter the ship class and hull number on which the RCM analysis is based.

3.4Block 4. Prepared by.Enter the analyst's name and the date.

3.5Block 5. Reviewed by.Enter the first level reviewer's name and the date.

3.6Block 6. Approved by.Reserved for the Maintenance Coordinating Activity (MCA) approval signature and date.

3.7Block 7. Revision.Identify the revision level of the AFSI selection report and enter e.g. “ORIGINAL”, “A”, “B”, “C”, etc. sequentially as applicable and the date.

3.8Block 8. Description.Enter a brief functional description of this item keyed to its maintenance needs and provisions for maintenance.

3.8.1The report shall identify any redundancies.If no redundancy exists, enter “NONE”.

3.8.2The report shall identify the in and out interfaces, sources of input, critical values and the ESWBS number for each source.If there are no interfaces, enter “NONE”.

3.8.3The report shall identify all Built In Test Equipment (BITE).If there is no BITE, enter “NONE”.

3.8.4The report shall identify any regulations, e.g. EPA, OSHA, etc., requiring the performance of maintenance and any regulations which may be violated if a failure occurs.If no regulations are impacted, enter “NONE”.

3.8.5The report shall identify condition indicators and shall include the following for each indicator:

3.8.5.1Type.Enter gage, thermometer, meter, indicator light, audible and visual alarm, as applicable.

3.8.5.2Indicates.Identify what the indicator tells about the system.

3.8.5.3To whom.Identify the watch station and the title of the operator who is observing the indicator.

3.9Block 9. Location.Enter the compartment numbers of spaces where this item is located.

3.10Block 10. Quantity.Enter the quantity of items installed in this system.

3.11Block 11. Function(s).Enter a description of the functions of each item. Include safety, regulatory, and protective features, out interfaces, and all co-functions.

3.11.1The report shall identify the function minimum operational parameters and performance standards, as applicable. Each function shall be sequentially numbered, e.g. 1.0, 2.0, 3.0, etc.

3.11.2Enter in block 11a “YES” when the functions impact one or more of the following, safety, mobility and mission, enter “NO” when they do not.

3.12Block 12. Functional Failures.Identify the functional failure(s) for each of the functions listed in block 11.

3.12.1Each function shall be numbered, e.g. 1.1, 1.2, 1.3; 2.1, 2.2, and 2.3 corresponding to the applicable function.

3.12.2Enter in the Impact column, block 12A “YES” when any of these failures have a direct adverse impact on safety and enter “NO” when they do not.

3.13Block 13. Reliability.Enter data for estimated corrective maintenance rate as specified in MIL-STD-3034A, paragraph 5.1.3.5.

3.13.1Identify source of data, e.g. comparable equipment platform, original equipment manufacturer and industrial database.

3.13.2Enter in the Impact column, block 13A “YES” if the estimated corrective maintenance rate is greater than one per year and “NO” if it is not.

3.14Block 14. Cost. Under the Impact column block 14A, enter “YES” if this item's purchase cost greater than $5,000 and “NO” if it is not.

3.15Block 15. Master FSI Index Transfer. If there is a “YES” in the Impact column for any block (11A through 14A), enter “YES”.

3.16Block 16. Serial Number.Enter a four-segment serial number as follows:

3.16.1Segment 1 - Enter the developing organization abbreviation followed by a slant (/).

3.16.2Segment 2 – For developers, enter the development authorization number followed by a slant (/); for other development activities, assign a development number followed by a slant (/).

3.16.3Segment 3 - Enter the number 117, indicating the AFSI selection form, followed by a slant (/).

3.16.4Segment 4 - Enter the ESWBS number from block 1.

References

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Figures

Figure 1. SAMPLE FORM - FIGURE 1 - ADDITIONAL FUNCTIONALLY SIGNIFICANT ITEM SELECTION

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