As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING REPLACEMENT OF BRAKE ASSY, BEARINGS ON NR 3 MAIN WHEEL ASSY WOULD NOT REASSEMBLE CORRECTLY. DURING INVESTIGATION, FOUND INCORRECT BEARING CUPS WERE INSTALLED NOT ALLOWING THE BEARING TO SEAT IN THE CUPS PROPERLY. TIMKEN BEARING PN 13600LA WAS INSTALLED WITH TYSON 1362XL CUP ON INBOARD WHEEL HALF AND SKF 13621XL ON OUTBOARD WHEEL HALF. WARNING GIVEN ON TIMKEN BEARING PACKAGE WARNS AGAINST THIS PRACTICE.