What was found
DURING CHECK-C MAINT THE FORMER RING AND REPAIR WERE CORRODED AT STA 1309, LONGERON 27R TO 27L. REMOVED AND INSTALLED NEW FRAME AND INSTALLED REPAIR SPLICES PER SRM 53-03, FIG 2A.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CHECK-C MAINT THE FORMER RING AND REPAIR WERE CORRODED AT STA 1309, LONGERON 27R TO 27L. REMOVED AND INSTALLED NEW FRAME AND INSTALLED REPAIR SPLICES PER SRM 53-03, FIG 2A.