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 INTERNAL SKIN LOCATED BTW FR 58 TO FR 59 AND BTW STRG 42L TO STRG 43L IN AFT CARGO COMPARTMENT MEASURMENT OF CORROSION ARE: L= 1.494 IN, W=0.800IN D=0.002IN. MAINTENANCE REPAIRED SKIN PANEL IAW EA 369173.