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 LEVEL 2 CORROSION WAS FOUND ON STRAP A FRAME 66 TO FRAME 87, REFERENCE DMI 203-03098. MAINTENANCE PERFORMED MAJOR REPAIR ON STRAP AT FRAME 86 TO FRAME 87. REMOVED AND REPLACED STRAP IAW EMB 170 SRM 51-43-03, IC 2009-170/06437B. A/C STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.