1、Lessons Learned Entry: 0469Lesson Info:a71 Lesson Number: 0469a71 Lesson Date: 1993-11-08a71 Submitting Organization: LERCa71 Submitted by: G. MichalsonSubject: Special Tests at KSC Description of Driving Event: During ground operations at KSC, the first United States Microgravity Laboratory (USML-1
2、) took longer than projected to perform a special module acoustical test. This occurred on the last Mission Sequence Test (MST) day and caused the MST time slice to be shortened. MST days are scheduled as full 12-hour test days and have no room for special tests.Lesson(s) Learned: Special payload te
3、sts can disrupt major ground operations test activities and schedules unless separated from the major ground operations test.Recommendation(s): 1. Provide extra contingency time in the KSC ground operations schedule for the completion of any special tests.2. Avoid any last-minute additional or speci
4、al ground processing / operations during MST day.Evidence of Recurrence Control Effectiveness: N/ADocuments Related to Lesson: N/AProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Mission Directorate(s): N/AAdditional Key Phrase(s): a71 Ground Operatio
5、nsa71 Policy & Planninga71 Test & VerificationAdditional Info: Approval Info: a71 Approval Date: 1996-11-01a71 Approval Name: Sell Jamesa71 Approval Organization: 501-4a71 Approval Phone Number: 216-433-8618Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
