What was found
STL - FLT 7180 - NR 1 PACK FAULTED WITH STRONG ELECTRICAL SMOKE SMELL ASSOCIATED, RETURNED TO GATE. MAINTENANCE CLEANED PACK VALVE CONNECTION SURFACE, GROUND RUN GOOD. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STL - FLT 7180 - NR 1 PACK FAULTED WITH STRONG ELECTRICAL SMOKE SMELL ASSOCIATED, RETURNED TO GATE. MAINTENANCE CLEANED PACK VALVE CONNECTION SURFACE, GROUND RUN GOOD. (X)