1、Lessons Learned Entry: 0132Lesson Info:a71 Lesson Number: 0132a71 Lesson Date: 1992-09-24a71 Submitting Organization: KSCa71 Submitted by: David PenningtonSubject: Power Reactant Storage and Distribution (PRSD) Pod Latching Mechanism Description of Driving Event: The QD/filter assemblies are designe
2、d to provide a disconnected interface and remove all solid particles from the servicing fluids, which exceed 25 microns in size. The system supports the required operating pressures, contaminant capacities and rated flows. A scupper to support the pod has not been provided for Dryden Flight Research
3、 Center. This mishap was caused by a worn or deformed stop pin in the pod latching mechanism. The worn pin allows the latching dog to rotate past the mate position to the demate position. Failure has occurred on several occasions.Lesson(s) Learned: Failure to establish a preventative maintenance pro
4、gram for the PRSD pod latching mechanism has resulted in damage to the thermal protection system.Recommendation(s): Establish a preventative maintenance program for the PRSD pod latching mechanism.Evidence of Recurrence Control Effectiveness: N/ADocuments Related to Lesson: Provided by IHSNot for Re
5、saleNo reproduction or networking permitted without license from IHS-,-,-N/AMission Directorate(s): N/AAdditional Key Phrase(s): a71 Ground Operationsa71 Ground Equipmenta71 Hardwarea71 Logisticsa71 Risk Management/AssessmentAdditional Info: Approval Info: a71 Approval Date: 1994-06-03a71 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-,-,-