As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*SDR FILED OPEN* *ATB* N1 ENG VIB REACHED 5.0 DURING CLIMB - LEFT ENG REMOVED AND REINSTALLED FAN BLADES ALL IN SAME POSITION, FOUND DAMAGED SHIM AFT OF HUB, ABLE TO RECOVER IT PREFORMED BORESCOPE INSIDE. NO DAMAGE FOUND INSIDE HUB ALL CHECKS OKAY. INSTALLED NEW SHIM PN 1856M90G01 AND RE LUBED BLADES AND NEW BLADE SHIM. PER 767 AMM 72-31-02-404-076-H00.