As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE REPAIRING STA 627STR 16L STRINGER CRACK, NOTED EXISTING ERA 476695-14 REPAIR DOUBLER HAD PREVIOUSLY BEEN INSTALLED. DISCOVERED ELONGATED HOLES IN REPAIR. ERA MAJOR SKIN/STRINGER REPAIR REQUIRED. REPAIRED ELONGATED HOLES ON EXISTING REPAIR STA 627 STR 16L IAW ER/A 553127-14. ADDITIONAL WORK ACCOMPLISHED ON N/R 5217489 INSTALLED NEW DOUBLER.