As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AC WAS IN FOR HVY CK FOUND SUSPECTED CRACK ON LH OTBD ELEVATOR ACTUATOR SUPPORT FITTING. MX REMOVED CRACK BY DRILLING OUT DAMAGED AREA OF SUPPORT FITTING PN 170-62175-405 IAW ETD 2019-170-110817. SEE AAR WC# 4500430-3000-0009 FOR WORK PERFORMED. AC REMAINS IN YQG FOR COMPLETION.