As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-21 CHECK CORROSION WAS FOUND ON UPPER AND LOWER SURFACE OF UPPER T-CAP REPAIR AT BS 986.5, RBL 0.5 TO RBL 45. MAINTENANCE REMOVED UPPER T-CAP REPAIR AT BS 986.5, LBL 11 TO RBL 51; FABRICATED A NEW REPLACEMENT T-CAP; INSTALLED REPAIR PART IAW B737-200 SRM 53-10-9 FIG 2 PG 7-11.