As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CHECK-C MAINT THE FWD E AND E COMPT FORMER WAS CORRODED BELOW DOOR SILL AND BEHIND EQUIPMENT RACK, STA 168, STRINGER 18R TO 21R. FORMER CORRODED BEOND LIMITS. INSTALLED NEW FORMER AND FRAME STIFFENER PER DRAWING 9911616 AND SPM 6-70-01.