What was found
HEAVY CHECK/MAJOR REPAIR: INNER SKIN AT INSULATION STANDOFF FWD OF FRAME 23A HAS LEVEL 2 CORROSION BELOW STRINGER 9L. REPAIRED PER SRAS ES-4382/16.10781 DATED 11/23/2016.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
HEAVY CHECK/MAJOR REPAIR: INNER SKIN AT INSULATION STANDOFF FWD OF FRAME 23A HAS LEVEL 2 CORROSION BELOW STRINGER 9L. REPAIRED PER SRAS ES-4382/16.10781 DATED 11/23/2016.