What was found
DURING CHECK-C MAINT THE LT VENT BOX AREA, SHIELD WEB WAS CRACKED AT UPPER AFT CORNER INSIDE THE VENT BOX. STOP DRILLED CRACK PER SRM 51-01 PAGE 6. INSTALLED DOUBLER PER SRM 51-70-4.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CHECK-C MAINT THE LT VENT BOX AREA, SHIELD WEB WAS CRACKED AT UPPER AFT CORNER INSIDE THE VENT BOX. STOP DRILLED CRACK PER SRM 51-01 PAGE 6. INSTALLED DOUBLER PER SRM 51-70-4.