As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AFT OF AIRCRAFT HAS A BURNING SMELL THE SMELL IS STRONGEST AT ROW 31 AND AFT, THE SMELL IS LIKE AN ELECTRICAL BURNING SMELL. REMOVE AND REPLACED VACUMM BLOWER MOTOR, PER AMM 38-32-05. OPERTIONAL CHECK GOOD. CONFIRMED NO SMELL AT THIS TIME, PER J/C 08L00021001.