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|  MIL-D-81347C(AS)
E q u i p m e n t Failure - Should a failure ocuur during either the
4.4.5
Reliability Assurance or special Tests, the following action shall be taken.
(1) Determine the cause of failure
(2) Determine if the failure is an isolated case or design defect.
(3) Submit to the procuring activity for approval proposed cor-
rective action intended to reduce the possibility y of the same failure(s) occurring in future tests.
(4) Where practical, include a test in the individual tests to
check all equipment for this requirement until reasonable assurance is obtained that the defect has been
satisfactorily corrected.
Failure Analysis - The contractor shall conduct a planned pro-
4.4.5.1
gram of failure analysis throughout the life of the contract. All failures related to the Reliability test
program or to deliverable equipment shall be analyzed to the level required to assure corrective
action and to prevent reoccurrence. Failure analysis records shall be included in the monthly relia-
bility report and contain the following information as a minimum requirement:
(1)
Report Number
(2)
Reporting Activity and Individual
Equipment Identification
(3)
(4)
Major Assembly Identification
(5)
Subassembly Identification
(6)
Component or Part Identification
(7)
Date of Failure
(8)
Time on Failed Part/Item
(9)
Name of Test/Operation
Environment
(lo)
Description of Trouble
(11)
(12)
Failure Cause/Analysis
(13)
Disposition (Detail)
(14)
Name of Failure Analysis Authority
(15)
Corrective Action Required
(16)
Failure Effect Analysis
Special Tests - Special tests shall be conducted on a quantity of
4.5
equipments for the purpose of checking the effect of any design or material change on the performance
of the equipment and to assure adequate quality control. The equipment selected for special tests
may be selected from equipments previously subjected to the sampling or reliability assurance tests.
4.5.1
Special Test Schedule - Selection of equipments for special
tests shall be made as follows:
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