As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE VISIT AT TIMCO, FOUND STA 520 STR 10R CORRODED AT FRAME CLIP. FABRICATED SPLICE AND TRIMMED NEW STRINGER SECTION IAW B737 SRM 53-10-3, FIG 3. REPAIRED IAW B737 SRM 51-30-2 AND FINISHED IAW SRM 51-10-2. AIRCRAFT RETURNED TO SERVICE. MATERIAL I.D. .040 INCH 7075T6 STRINGER SPLICES. TIMCO NON-ROUTINE CARD NR 28302. (X)