As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PACK ONE BLOWING HOT AIR FOR 5 MIN. OZONE SMELL VERY STRONG DURING TAKEOFF ROLL. C/A: UNABLE TO DUPLICATE. INSPECTED NR 1 PACK, NO LEAKS AND DTCV OPERATING NORMALLY IN AUTO AND MANUAL. TRANSITIONS NORMALLY FROM HOT TO COLD TO HOT AS COMMANDED. NO LEAKS NOTED, OPS CHK OK, IAW AMM 21-51-00 & 21-60-00. MEL RESTORED PACK.