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 DAMAGE TO THE WING STUB SPAR 2. LT AND RT LOWER FLANGE AND WEB GOUGED. MAINTENANCE PERFORMED A MAJOR REPAIR BY BLENDING AREA AFFECTED P/N 170-30546-001 (RT WING STUB TANK INTERNAL SIDE) IAW ETD2016-170-100405 THIS REPAIR IS CONSIDERED TEMPORARY AS IT WILL REQUIRE A DETAILED STRUCTURAL ANALYSIS. THE VALIDITY OF THIS REPAIR IS 12 MONTHS AS OF NOVEMBER 12, 2016. AIRCRAFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.