1、Lessons Learned Entry: 1268Lesson Info:a71 Lesson Number: 1268a71 Lesson Date: 2002-07-31a71 Submitting Organization: GSFCa71 Submitted by: Richard FitzgeraldSubject: Post-Environmental Testing Description of Driving Event: Several unplanned post-launch tests were run on a mission in the post-enviro
2、nmental test timeframe, which, in fact, uncovered several important problems, which needed correction.Lesson(s) Learned: A post-environmental systems test of the final satellite flight configuration must be planned and executedRecommendation(s): A “quiet“ test of 100 hours or more is necessary to as
3、sure that the system is still functioning properly and to fully characterize its performance. In addition, an attitude control system polarity check must be performed. Evidence of Recurrence Control Effectiveness: N/ADocuments Related to Lesson: N/AMission Directorate(s): Provided by IHSNot for Resa
4、leNo reproduction or networking permitted without license from IHS-,-,-a71 Exploration Systemsa71 Aeronautics ResearchAdditional Key Phrase(s): a71 Test & VerificationAdditional Info: Approval Info: a71 Approval Date: 2002-08-12a71 Approval Name: Al Galloa71 Approval Organization: GSFCa71 Approval Phone Number: 301-286-3756Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
