As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, MAINTENANCE REPORTED A CRACK ON THE MID FAIRING AFT HANGING SUPPORT RIB AT THE UPPER RT SIDE. MAINTENANCE REMOVED, FABRICATED AND INSTALLED DOUBLER REPAIR AT MID FAIRING AFT HANGING SUPPORT RIB IAW ETD 2017-170-024147.