As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTS, AFTER ENGINE START, ON THE RECALL ITEM THE LEFT PACK LIGHT ILLUMINATED AS EXPECTED. WHEN MASTER CAUTION RESET BUTTON WAS PUSHED THE LEFT PACK LIGHT DID NOT EXTINGUISH. GROUNDED - YES. REPLACED NR 2 PACK TEMP CONTROLLER IAW AMM 21-61-20. FAULT CLEARED, INSTALLATION TEST PASS. LH PACK LIGHT NOW WILL RESET.