What was found
DURING HEAVY MAINTENANCE, AFT CABIN Y919 FLOOR BEAM FRAME 66+4" STRINGER 23LH HAD CORROSION; REMOVED AND REPLACED FLOOR BEAM AT Y919 IAW A320 SRM 51-72-11-911-001.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE, AFT CABIN Y919 FLOOR BEAM FRAME 66+4" STRINGER 23LH HAD CORROSION; REMOVED AND REPLACED FLOOR BEAM AT Y919 IAW A320 SRM 51-72-11-911-001.