What was found
ON TAXI OUT FLT DECK & CABIN BEGAN TO FILL WITH SMOKE, NO WARNINGS OR ALARMS, RETURNED TO GATE. FLT 4471 REPLACED LT PACK ACM. PN GG670-95009-5, SN ON 01221 & SN OFF 00608.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON TAXI OUT FLT DECK & CABIN BEGAN TO FILL WITH SMOKE, NO WARNINGS OR ALARMS, RETURNED TO GATE. FLT 4471 REPLACED LT PACK ACM. PN GG670-95009-5, SN ON 01221 & SN OFF 00608.