REG NASA-LLIS-0098-1992 Lessons Learned - Displacement Leak Detector.pdf

1、Lessons Learned Entry: 0098Lesson Info:a71 Lesson Number: 0098a71 Lesson Date: 1992-08-05a71 Submitting Organization: KSCa71 Submitted by: David PenningtonSubject: Displacement Leak Detector Description of Driving Event: A technician was performing leak checks at ports on the right side of the orbit

2、er (OV-099) using a displacement leak detector. The tygon hose became tangled and the leak detector fell and hit the side of the vehicle damaging seven tiles. The detector was damaged when it finally hit the floor. The bay manager, safety, and the operations desk were notified of the incident, and t

3、he area was cleaned of spilled fluid & debris.Lesson(s) Learned: Failure to require tethering of a flow meter used to perform leak checks resulted in damage to the orbiter when the meter fell and hit the orbiter.Recommendation(s): Add handles and tethering aids to the flow meters prior to use in or

4、around the orbiter.Evidence of Recurrence Control Effectiveness: N/ADocuments Related to Lesson: N/AMission Directorate(s): Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-a71 Space Operationsa71 Exploration SystemsAdditional Key Phrase(s): a71 Fligh

5、t Operationsa71 Flight Equipmenta71 Hardwarea71 Launch Processa71 Launch Vehiclea71 Packaging Handling StorageAdditional 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-,-,-