As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOUD NOISE AFTER STARTING ENGINE NR 2 FOLLOWED BY A VERY STRONG FISHY SMELL. PERFORMED GVI OF BOTH PACK DUCTS IAW EMB 145 AMM 21-51-14-200-801-A WHILE RUNNING PACKS ON APU THEN ENG BLEEDS W/ CREW. NO LOUD NOISE OR SMELL PRESENT, BUT SLIGHT LEAK OF NR 1 DUAL TEMP VALVE. DEFERRED PACK 1.