As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION WAS DISCOVERED ON THE AFT LOWER OUTBOARD SPAR CAP. CORROSION WAS FOUND AT RWS 107.21 TO 111.781 ON THE BOTTOM OF THE HORIZONTAL LEG OF THE CAP. DEEPER THAN THE ALLOWABLE LIMITS IAW MEB 91-11 R1, SECTION 3, ITEM B. THE SPAR CAP WAS REPLACED.