DI-SESS-81629B
Reliability Test Procedure
Provides detailed technical directions for implementing an individual reliability test at the equipment, subsystem, and system levels during the integrated test program.
Approval DateFebruary 18, 2020
AMSC NumberN10154
Preparing ActivityAS
Project NumberSESS-2020-020
OPR—
DTIC ApplicableYes
GIDEP ApplicableYes
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-81629A
Related
—Description & Purpose
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Application & Interrelationship
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Use & Relationship
The Reliability Test Procedure provides detailed technical directions for implementing an individual reliability test (e.g. conventional reliability growth test, highly accelerated life test, accelerated life test, environmental stress screening, reliability qualification test, production reliability acceptance test) at the equipment, subsystem, and system levels during the integrated test program. The procedure contains step-by-step instructions of how the equipment, including software, is utilized during the reliability test. This document will be used by the procuring activity for review and approval of the contractor's procedure for conducting the reliability test and in the subsequent surveillance of the test and evaluation of the results.
This Data Item Description (DID) contains the format, content, and intended use information for the data deliverable resulting from the work task described in the contract.
This DID supersedes DI-SESS-81629A.
Preparation Instructions
1Reference documentsNone.
2FormatThe Reliability Test Procedure shall be in contractor's format.
3ContentThe Reliability Test Procedure shall contain:
3.1Description, date, and location of the test to be performed
3.2Test objectives and requirements to be demonstratedTest objectives and requirements to be demonstrated, including specific references to the applicable sections of the solicitation or contract.
3.3Description of the test team roles and responsibilities
3.4Test article identification and description of test articles to be utilizedTest article identification and description of test articles to be utilized, including hardware and software test item version or configuration and quantity to be tested.
3.5Deviations from the configuration specified in the test planDeviations from the configuration specified in the test plan and the reason for each deviation.
3.6List of test and monitoring equipment, calibration statusList of test and monitoring equipment, calibration status (due date), facility descriptions and requirements, test software, and provisions for power, temperature, humidity, and vibration.
3.7When applicable, Environmental Stress Screening (ESS) requirementsWhen applicable, Environmental Stress Screening (ESS) requirements and a description of the environment to which equipment will be exposed prior to test.
3.8Statistical reliability test design criteria, as appropriate
3.9The levels and tolerances for time, temperature, and other details of the combined stress environmental cycleThe levels and tolerances for time, temperature, and other details of the combined stress environmental cycle, including the duty cycle, moisture, vibration stress and duration, and input voltage.
3.10Test sequence, test condition combination, and any pre and post conditioning
3.11Allowable adjustments and normal checkout procedures for the equipment under test
3.12Preventive maintenance measures to be performed during the testPreventive maintenance measures to be performed during the test, if such maintenance is permitted by the detailed equipment specification.
3.13Diagrams of complete test setupDiagrams of complete test setup, including equipment under test, test monitoring equipment, and interconnecting cables.
3.14Test methods and mode(s) of operation of the itemsTest methods and mode(s) of operation of the items, including software under test, including configuration and mission requirements.
3.15Performance parameters to be measured, frequency of measurement, and the method used
3.16Test duration and conditionsTest duration and conditions, including the duty cycle and environmental, operational, and performance profiles during performance parameter measurement.
3.17Performance parameter limits used to determine failure occurrence
3.18List of government furnished equipment, property, or material to be used during the test
3.19A description of the failure recurrence control systemA description of the failure recurrence control system to be used to ensure corrective action.
3.20Definition of items termed replaceable at failure and reason for each proposed deviation
3.21Test conduct ground rules, decision (failure and accept) criteria, and interface boundaries
3.22A description of the action(s) to be taken if a reject decision is reachedA description of the action(s) to be taken if a reject decision is reached, including corrective action plan and retest provisions.
3.23Data analysis methods, analytical procedures to be employedData analysis methods, analytical procedures to be employed, data reduction routines, and reliability growth techniques used to assess demonstrated and projected reliability.
3.24List of data to be recorded during tests and samples of report or log forms to be usedList of data to be recorded during tests and samples of report or log forms to be used. Include preliminary applicable data collection sheets and scoring and evaluation criteria. Data elements for the test log and data record include:
3.24.1Test type, equipment type, serial number, and date test initiated
3.24.2Date
3.24.3Time
3.24.4Elapsed time of test
3.24.5Environmental, Input, and Performance parameters
3.24.6Remarks
3.24.7Tech initials
3.24.8Government inspector initials
3.24.9Sample equipment failure record data elements including:
3.24.9.1Type of test, equipment type, unit serial number, test position, date test initiated
3.24.9.2Failure report number xi
3.24.9.3Removal for repair- time/date, elapsed time of test
3.24.9.4Returned to test- time and date, elapsed time of test
3.24.9.5Description of failure
3.24.9.6Technician initials
References
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