1、Lessons Learned Entry: 0095Lesson Info:a71 Lesson Number: 0095a71 Lesson Date: 1992-07-31a71 Submitting Organization: KSCa71 Submitted by: David PenningtonSubject: OPF Extendable Platforms Description of Driving Event: Technicians were in the process of extending platform 10-2 in OPF HB-1. After ext
2、ending the platform about 3 feet, the observer noted that the platform would not clear the body flap and signaled a “halt.“ Before the platform could be stopped, it contacted two tiles, damaging them.Lesson(s) Learned: Failure to measure and verify adequate clearance, prior to platform extension cou
3、ld result in damage to orbiter thermal protection tiles.Recommendation(s): Review platform extension procedures to ensure verification of ample clearance prior to extending platforms.Evidence of Recurrence Control Effectiveness: N/ADocuments Related to Lesson: N/AMission Directorate(s): Provided by
4、IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-a71 Space Operationsa71 Exploration SystemsAdditional Key Phrase(s): a71 Facilitiesa71 Hardwarea71 Launch Processa71 Lifting DevicesAdditional Info: Approval Info: a71 Approval Date: 1994-06-02a71 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-,-,-
