As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON LEFT WING UPPER SURFACE SKIN PANEL #2 AT THE REAR SPAR BETWEEN WS 1957 AND WS 2580 BETWEEN RIBS 4 AND RIB 5. REPAIRED SKIN PANEL PER EA 325165.. **SUPPLEMENTAL REPORT FOR AALA202103033002 TO REMOVE CORROSION LEVEL 2 BASED UPON THE LEVEL BEING CORRECTED TO LEVEL 1 ON THE HSDA BY QC.