1、Lessons Learned Entry: 0103Lesson Info:a71 Lesson Number: 0103a71 Lesson Date: 1992-08-13a71 Submitting Organization: KSCa71 Submitted by: David PenningtonSubject: Draeger Pump Description of Driving Event: An engineer was utilizing a draeger pump to perform toxic vapor checks on A/C motor valves on
2、 the 207 level of the rotating service structure. When the engineer attempted to retrieve protective apron from the platform, the draeger pump was pulled from the platform and fell, striking the orbiters FRCS blanket area and landing on the 193 Level.Lesson(s) Learned: Failure to secure/tether a dra
3、eger pump during toxic vapor checks resulted in a “close call“ when the pump fell, striking the orbiter.Recommendation(s): To ensure continued tetherability, provide a permanently attached tether for the draeger pump.Evidence of Recurrence Control Effectiveness: N/ADocuments Related to Lesson: N/AMi
4、ssion Directorate(s): Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-a71 Space Operationsa71 Exploration SystemsAdditional Key Phrase(s): a71 Ground OperationsAdditional 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-,-,-