Maintenance SDQLCAI-1
3-6 May 2002
3.9 Maintenance Records
An accurate record keeping system for tracking maintenance operations should be established and kept up
to date. Data extracted from the record can serve as a base for ordering maintenance supplies, including
spare parts. The record can also be useful as a troubleshooting tool. In addition, maintenance records
may be required to provide documentary information in association with a service contract. It is
suggested that the following information be recorded:
Date of service incident
Name or initials of service person
Brief description of incident symptoms and repairs performed
Replacement part or assembly number
Software code of original part
Software code of replacement part
Serial number of original part
Serial number of replacement part
Issue number of original circuit module
Issue number of replacement circuit module
Displayed error codes/channel states from module LEDs, user interface, and configuration software
Date of completion
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