№ lp_2_2_03900
Technical incident report documenting contamination of the E-1 TEA-TEB ignition system caused by configuration changes to purge gas supply at a NASA test facility and outlining root cause analysis and corrective measures.
Organization: NASA SSC Engineering and Test Directorate
Facility: Stennis Space Center
Location: Building 4010, E-1 Test Complex, MS
Incident Date: June 28, 2022
Document Type: Lessons Learned Report
Subject: E-1 Cell 2 Triethyl Aluminum-Triethyl Borane (TEA-TEB) System Contamination
Authors: Jason Richard; Stephen Rawls
Related Systems: FireX Master Facility Panel Station 6; TEA-TEB Storage and Run System; GN Purge and Pressurization System
Root Cause: Introduction of high pressure air into TEA-TEB purge system due to configuration change from gaseous nitrogen
Corrective Actions: Removal of air source; labeling updates on MFP drawings and panels; additional labeling on TEA-TEB cart; consideration of dedicated GN-only station; evaluation of infrared monitoring and configuration control improvements
Reference: Close Call Reporting System (CCRS) Case #22-021; Problem Report PR-E1-01364
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