As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUPPLEMENTAL CA FOR - SMOKE/ FUMES IN COCKPIT DURING BOARDING. ORIGINALLY IN CABIN. CFR ON SITE. -C/A-TECH SUPPORT WORKSCOPE---REPLACE LH FAN AIR VALVE DUE TO REPEAT ISSUES. RAR #1 ENG FAN AIR VALVE IAW ERJ AMM 36-11-09 REF ITEM 2 THIS NRWC FOR OPS CK