As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DEBOARDING NOISE HEARD FROM OUTSIDE OF AIRCRAFT FOLLOWED BY A SLIGHT SMOKE SMELL IN CABIN WITH APU AND NUMBER TWO PACK OPERATING, FOUND NUMBER TWO PACK SEIZED. REMOVED AND REPLACED NUMBER TWO PACK IAW EMB AMM 21-51-03. OPERATIONAL CHECK GOOD, RETURNED AIRCRAFT TO SERVICE.