1、Lessons Learned Entry: 0178Lesson Info:a71 Lesson Number: 0178a71 Lesson Date: 1992-10-23a71 Submitting Organization: KSCa71 Submitted by: Lisa L. MusgraveSubject: Solid Rocket Motor (SRM) O-ring Processing Description of Driving Event: During processing, employees failed to perform checks of the ma
2、ndatory inspection points of the o-rings as specified in the acceptance criteria. However, a review of inspection records for the 51-L o-rings indicates there is a high probability that the 51-L o-rings were acceptable for launchLesson(s) Learned: Mandatory inspection points were inadvertently elimi
3、nated during STS 51-L o-ring processing.Recommendation(s): Perform a complete assessment of all mandatory inspections to ensure that no inspections are eliminated.Evidence of Recurrence Control Effectiveness: N/ADocuments Related to Lesson: N/AMission Directorate(s): a71 Space OperationsProvided by
4、IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-a71 Exploration SystemsAdditional Key Phrase(s): a71 Risk Management/Assessmenta71 Test & VerificationAdditional Info: Approval Info: a71 Approval Date: 1994-06-06a71 Approval Name: James G. Klinea71 Approval Organization: KSC/HEIa71 Approval Phone Number: 407-867-7614Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
