MIL-STD-790G
w/ CHANGE 1
5.2 QPL system elements. The manufacturer's system shall address, as a minimum, the elements described herein. This system shall be maintained by the manufacturer such that the qualifying activity can verify and validate these elements (e.g., internal documentation and control systems).
5.2.1 Training. The manufacturer shall maintain a training program to cover all phases of their activity involved in producing electrical, electronic, and fiber optic parts. The type and extent of training shall be determined by the manufacturer.
* 5.2.2 Calibration. Each instrument used to measure or control production process or to measure the acceptability of parts under test shall be calibrated in accordance with NCSL Z540.3, ISO 10012, or equivalent system as approved by the qualifying activity.
5.2.3 Proprietary processes and procedures. The qualifying activity shall have access to all areas of the manufacturer's plant for the purpose of verifying implementation of this standard.
5.2.4 Failure and defect analysis system. The manufacturer shall maintain a failure and defect analysis system. Failure analysis of parts are required when failures exceed the number allowed by the specification in qualification and conformance inspections or which have failed during field use (either at equipment contractor or military field activities).
5.2.4.1 Failure reporting. The manufacturer shall maintain a failure recording and reporting system for parts which have failed during qualification or conformance inspections or while in use in equipment. The system shall provide for at least the following:
a. The operating or test conditions under which the part failed, including environmental exposure levels, if known.
b. The source from which the failed part was received.
c. Verification of the reported condition of the failed part by the manufacturer's personnel responsible for production, inspection, quality, or engineering.
d. The length of time the part has been operating if it failed in life testing. Compliance within failure rate levels shall be calculated in accordance with the governing applicable product specification.
e. For field failures, review and corrective action (as applicable) shall be within 30 days after receipt of parts and supporting information.
5.2.4.2 Failure and defect analysis. The manufacturer shall maintain a system to retain the results of failure and defect analysis. This system shall provide for at least the following:
a. The results of analysis.
b. The probable failure activating cause when possible. c. Recommended corrective action.
d. Include approval by responsible authority.
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