As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE: CORROSION LOWER SILL LOC. BTW FR66/FR68 AT LEVEL STR23R AFT GALLEY ARE A (1 EA) (CPCP RELATED, REFER TO MPD TASK 534195-01); PERFORMED PERMANENT REPAIR LOC. LOWER SILL AT LEVEL STR23R BTW FR 67 TO FR 68 AFT GALLEY AREA IAW A320 SRM 53-41-14-300-001 PROCEDURE 2.A THIS REPAIR IS CATEGORY A AND NOT FURTHER INSPECTION REQUIRED.