What was found
DURING ROUTINE MAINTENANCE CHECK, FOUND CORROSION ON FRAME BOTH FWD AND AFT AT BS 747, RBL 4. REPAIRED FRAME IAW, SRM 53-10-4.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING ROUTINE MAINTENANCE CHECK, FOUND CORROSION ON FRAME BOTH FWD AND AFT AT BS 747, RBL 4. REPAIRED FRAME IAW, SRM 53-10-4.