Process-Oriented Development of Failure Reporting, Analysis, and Corrective Action System

Table 1

FRACAS process definitions.

Step	Task	Ownership	Information
1	Observe a failure of a item or a product	User	Item observation data; Time/location/ environment
2	Document failure symptom and relevant information	Testing division	Failure description; Expected root cause
3	Verify failure	Testing division	Check list
4	Isolate the lowest leveled suspect item	Testing division	Failure mode
5	Retest after replacement of suspect item	Testing division	Test report
6	Verify the failure of isolated item	Testing division	Repair description; Verification report
7	Failure analysis	Reliability division	Analysis method; Analysis report
8	Search for the similar failure history	Reliability division	Database search result
9	Establish the root cause	Reliability division	Failure mechanismRoot cause identification
10	Determine corrective action based on the analysis result	FRB	Analysis result
11	Incorporate corrective action to the item	FRB	Action specifications
12	Operational performance test: Verify that the new corrective action has no adverse effect	FRB	Performance report
13	Verify effectiveness of the proposed action	FRB	Effectiveness result
14	Incorporate corrective action into all products	FRB	Action specifications