As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: STRONG ODOR FROM BLEED / AIR CONDITIONING SYSTEM DURING DECENT- BEGAN AT 7000 FEET AND 210 KTS INDICATED AIRSPEED . FLT ATTENDANTS ADVISED THAT ODOR PERMEATED CABIN AS WELL. APU STARTED AND APU BLEED SELECTED ON. ODOR QUICKLY DISSIPATED. UTILIZING BLEED FROM APU: REPLACED APU AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK PER TASK CARD 26L31049003.