As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A MAX POWER T/O AT 70-80 KNOTS THERE WAS A LOUD BANG AND AIRCRAFT PULLED LEFT. PERFORMED REJECTED. NR 1 EPR - 2.18 AT FAILURE. REPLACED NR 1 ENG PER WORK CARDS 70T0001-01 AND 70T030 1-01. ALL TEST NORMAL. RELEASED FOR SERVICE. COMPLIED WITH EO 7-7250-7-3372 PT 3. PREMATURE REMOVAL/INSTALLATION OFF MFG JT8D-17AQM POS 1 SRL 709263 TAG 20A375 ON MFG JT8D-17AQM SRL 709405 TAG 1A3845.