1、Lessons Learned Entry: 0031Lesson Info:a71 Lesson Number: 0031a71 Lesson Date: 1992-09-11a71 Submitting Organization: KSCa71 Submitted by: Lisa L.MusgraveSubject: Maintenance of High, Exposed Equipment Description of Driving Event: Post launch checkout and semi-annual GOX vent arm maintenance requir
2、es technicians to service the GOX vent arm upper hinge and associated flexhoses. The GOX vent arm upper hinge cover panel must be removed to gain access to the hinge for inspection and maintenance. Once the hinge cover panel is removed, it must be maneuvered past the upper hinge support structure. T
3、he configuration requires technicians to perform this task at unprotected heights. Because there are no work platforms or approved tie-off points where a safety lanyard/harness can be attached, technicians are at risk of a 255-foot fall.Lesson(s) Learned: Technicians working at high, exposed locatio
4、ns could fall due to a lack of secure footing/approved tie-off points for safety lanyard/harness.Recommendation(s): Install permanent access platforms wherever possible for personnel safety during component servicing or mainenance of high, exposed equipment.Evidence of Recurrence Control Effectivene
5、ss: N/AProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Documents Related to Lesson: N/AMission Directorate(s): a71 Space Operationsa71 Exploration SystemsAdditional Key Phrase(s): a71 Facilitiesa71 Ground Operationsa71 Ground Equipmenta71 Hardwarea71
6、 Human Factorsa71 Industrial Operationsa71 Personal Protective Equipmenta71 Safety & Mission AssuranceAdditional Info: Approval Info: a71 Approval Date: 1994-06-01a71 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-,-,-
