What was found
DURING HEAVY CHECK - "CORROSION ON CROSSBEAM REPAIR AT FRAME 17 BETWEEN LH AND RH CENTER TRACK. REMOVED AND REPLACED CROSSBEAM FRAME 17 REFER SRM 51-40-08 "
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY CHECK - "CORROSION ON CROSSBEAM REPAIR AT FRAME 17 BETWEEN LH AND RH CENTER TRACK. REMOVED AND REPLACED CROSSBEAM FRAME 17 REFER SRM 51-40-08 "