As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SAN - SMOKE IN CABIN REPORTED DURING TAXI OUT WITH RIGHT AIR CONDITIONING PACK ON. AIRCRAFT RETURNED TO GATE. MAINTENANCE DEFERRED RIGHT PACK PER MEL 21-1. PERFORMED AIRCRAFT GROUND RUN. NO EVIDENCE OF SMOKE IN CABIN WITH RIGHT PACK OFF. AIRCRAFT RETURNED TO SERVICE. (Z)