1、Lessons Learned Entry: 0167Lesson Info:a71 Lesson Number: 0167a71 Lesson Date: 1992-10-16a71 Submitting Organization: KSCa71 Submitted by: Lisa L. MusgraveSubject: Forward Reaction Control System (FRCS) Access Description of Driving Event: No platforms have been designed to provide personnel access
2、to the orbiters lower forward fuselage (foward reaction control system cavity) for repairs, maintenance, and/or inspections. The use of portable pic-boards (temporary structures) may cause personnel to fall or allow contact between the pic-board and orbiter, resulting in personnel injury and/or orbi
3、ter damage.Lesson(s) Learned: Use of temporary platforms provides inadequate access to FRCS cavity for trunnion fitting maintenance, and may result in injury/damage.Recommendation(s): Design/utilize permanent platforms which allow access to trunnion fittings in lower forward fuselage area.Evidence o
4、f Recurrence Control Effectiveness: N/ADocuments Related to Lesson: Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-N/AMission Directorate(s): N/AAdditional Key Phrase(s): a71 Flight Equipmenta71 Ground Operationsa71 Ground Equipmenta71 HardwareAdditional 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-,-,-
