As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON T/O ROLL LOUD BANG. WITH LOUD BURNING SMELL. NOTICED THE RELIGHT ICON OVER THE #1 ENGINE, APU OFF, ENGINE A/I ON. SMELL WENT AWAY AFTER ABOUT 3 MINS. PERFORMED BORO OF #1 ENG HPC PER AMP 72-35-00 & LPT STAGES 1-3 PER AMP 72-53-00. NO DEFECTS NOTED. C/W POST SURGE INSPECTION PER BD500- A-J05-51-48-01AAA-C21A-A REMOVED AND REPLACED #1 IFPC PER BD500- A-73-11-01 AMP. REF LOG 2097559 & NO GO ODI PREVENTION LOG 2097478. NO BURNING SMELL NOTED AFTER HIGH POWER RUN PER AMP 71- 00. R/R FUEL CONTROL UNIT. (LP# 8399706)