MIL-DTL-81919C(AS)
(1) Built-in tests,
(2) Power supply and power distribution indications,
(3) Functional modes of operation, and
(4) All available controls and indicators.
b. Test sequence. The operational checkout shall be sequenced to establish:
(1) An increasing confidence in the circuit/unit under test.
(2) That passing previous test ensures proper input requirements for the test being
performed.
(3) A logical entry point for fault isolation.
(4) A fault isolation entry point for each test indication.
(5) That successful completion of the operational checkout verifies proper operation.
c. Fault isolation reference methods. A fault isolation entry point may reference:
(1) Logic text format. Combined testing and troubleshooting (logic text) format:
(a) "Yes" or "No" column entries shall only reference another procedural step,
(b) A procedural step may reference appropriate action, including separate fault
isolation procedures.
(2) Logic tree format. Using separate testing and troubleshooting (logic tree) format, the
operational checkout (testing) shall reference:
(a) Entry point on a logic tree troubleshooting diagram,
(b) Separate fault isolation procedures, or
(c) Direct reference to appropriate action.
d. Separate fault isolation/maintenance procedures. Separate fault isolation or maintenance
procedures may be provided as, but not limited to:
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