What was found
C-CHECK, KEEL BEAM AT FS 706, INTERNAL WEB LIGHTENING HOLE CHAFED FROM LOOSE DUCT INSULATION. TRIMMED DAMAGED AREA, FABRICATED, AND INSTALLED REPAIR DOUBLER IAW 737 SRM 51-30-2 AND DWG 65-45866.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
C-CHECK, KEEL BEAM AT FS 706, INTERNAL WEB LIGHTENING HOLE CHAFED FROM LOOSE DUCT INSULATION. TRIMMED DAMAGED AREA, FABRICATED, AND INSTALLED REPAIR DOUBLER IAW 737 SRM 51-30-2 AND DWG 65-45866.