As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY MX PERFORMING INSP, IT WAS NOTED THAT STRINGER 26L STATION 540 - 560 IS CORRODED. CUT OUT DAMAGE AT STA 533-550. FABRICATED STRINGER FROM BAC 1498-143 7075T6, 16 INCH, FABRICATED 2 EA SPLICE PLATES FROM BAC 1498-132 7075 T6, 13 INCHES INSTALLED STRINGER IAW SRM 53-10-2 & 53-10-3. NO OTHER DEFECTS WERE NOTED. ACFT WAS RETURNED TO SERVICE.