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|  MIL-N-81497A(AS)
Special Test Schedule - Selection of equipments for
4.4.4.1
special tests shall be made as follows:
-(1)- On an early equipment after an engineering or
material change.
Whenever failure reports or other information
(2)
(This
indicate additional tests are required.
will be determined by the procuring activity) .
Scope of Tests - Special tests shall consist of such
4.4.4.2
tests as approved by the procuring activity. Test procedures previously
approved for the preproduction tests shall be used where applicable.
When not applicable, the contractor shall prepare a test procedure and
submit it to the procuring activity for approval prior to conducting
the tests.
Equipment Failure - Should a failure occur during
4.4.5
either the sampling, reliability assurance or special tests, the
following action shall be taken:
Determine the cause of failure
(1)
Determine if the failure is an isolated case
(2)
or design defect.
Submit to the procuring activity for approval,
(3)
proposed corrective action intended to reduce
the possibility of the same failure(s) occurring
in future tests.
Where practical, include a test in the individual
(4)
test to check all equipment for this requirement
until reasonable assurance is obtained that the
defect has been satisfactorily corrected.
Life Test - The contractor shall furnish all samples
4.5
and shall be responsible for accomplishing the life test. The test
shall be of 300-hours duration and shall be conducted on equipments
that have passed the individual test. The life test shall be performed
under the conditions specified in 4.5.1. The life test sample shall
be selected by the government inspector in accordance with the following.
(Equipments which have successfully passed the Initial Production
Test, Sampling Tests, Reliability Tests, or Special Tests may be select-
ed for life tests). When reliability tests are conducted; the life
test may be omitted if, during the reliability tests, a quantity of
equipments equal to, or more than, that listed below receive at least
300 hours each of test time.
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