As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANT REPORTED LOUD BANG FROM LT ENG AS POWER WAS BEING APPLIED ON TAKEOFF ROLL. ACFT BEHIND REPORTED SEEING FLAME FROM LT ENG. NO ABNORMAL INDICATIONS ON COCKPIT GAUGES. ACCOMPLISHED AMM 71-00-00-210-801-F00 & FIM 71-05-00-810-805-F00 STEPS 1 - 5, NO FAULTS FOUND. REFERENCE LOG PAGES 4828968 & 4828967.