1、Lessons Learned Entry: 0614Lesson Info:a71 Lesson Number: 0614a71 Lesson Date: 1997-04-20a71 Submitting Organization: HQa71 Submitted by: Miles WhitnahSubject: GSE Test Rig Installation Description of Driving Event: While performing a functional retest of a Shuttle hatch movement, following a hatch
2、actuator R&R, the GSE support structure failed. As a result, the hatch hinges and hinge arm mechanism were potentially subjected to the full unsupported weight of the hatch.Lesson(s) Learned: Hatch support GSE had been installed incorrectly (90 degrees from correct position).Recommendation(s): Desig
3、n and fabricate GSE support equipment so that it can be installed only in one way, with no options.Evidence of Recurrence Control Effectiveness: N/ADocuments Related to Lesson: N/AMission Directorate(s): N/AProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS
4、Additional Key Phrase(s): a71 Ground Equipmenta71 Hardwarea71 Human FactorsAdditional Info: Approval Info: a71 Approval Date: 1999-03-31a71 Approval Name: Bill Loewya71 Approval Organization: QSa71 Approval Phone Number: 202-358-0528Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
