1、Lessons Learned Entry: 0317Lesson Info:a71 Lesson Number: 0317a71 Lesson Date: 1993-08-03a71 Submitting Organization: MSFCa71 Submitted by: Baggs, EllisSubject: Sneak Circuit Analysis Description of Driving Event: Sneak circuit analysis was performed on Skylab to assure a high probability of freedom
2、 from undesired current paths. Forty-four sneak circuits were found on Skylab, along with a number of components that were not necessary for circuit operation and errors in the documentation.Lesson(s) Learned: Sneak circuit analysis exposes problems that may escape detection during system testing.Re
3、commendation(s): Perform sneak circuit analysis on critical systems to prevent the undesirable events which may result from sneak circuitsEvidence of Recurrence Control Effectiveness: Sneak circuit analysis was effective on Skylab; 44 sneak circuits were discovered.Documents Related to Lesson: N/AMi
4、ssion Directorate(s): N/AProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Additional Key Phrase(s): a71 Risk Management/Assessmenta71 Safety & Mission AssuranceAdditional Info: Approval Info: a71 Approval Date: 1994-08-17a71 Approval Name: Baggs, Ellisa71 Approval Organization: EL01a71 Approval Phone Number: 205-544-3293Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
