REG NASA-LLIS-0040-1992 Lessons Learned - Space Shuttle Main Engine (SSME) Access.pdf

1、Lessons Learned Entry: 0040Lesson Info:a71 Lesson Number: 0040a71 Lesson Date: 1992-09-18a71 Submitting Organization: KSCa71 Submitted by: David PenningtonSubject: Space Shuttle Main Engine (SSME) Access Description of Driving Event: Space shuttle system design necessitated clearance and weight cons

2、traints, which in many cases, made SSME access limited. Workarounds and temporary structures have been utilized by maintenance personnel with some success. However, there is still inadequate access to the engine area after landing for installing rain protection plugs or the ferry flight set. Injury

3、to personnel or damage to equipment can occur as the result of actions required to perform post flight maintenance and ferry flight set installation operations.Lesson(s) Learned: Post landing access to SSMEs for installation of the ferry flight kit is inadequate and could cause personnel injury.Reco

4、mmendation(s): Redesign orbiter aft access platforms to provide greater security and more access to space shuttle main engines.Evidence of Recurrence Control Effectiveness: N/ADocuments Related to Lesson: N/AProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IH

5、S-,-,-Mission Directorate(s): a71 Space Operationsa71 Exploration SystemsAdditional Key Phrase(s): a71 Facilitiesa71 Flight Equipmenta71 Ground Operationsa71 Ground Equipmenta71 Hardwarea71 Human Factorsa71 Launch VehicleAdditional 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-,-,-