What was found
DURING D-CHECK, FOUND LEFT KEEL AREA LONG 29L HAS CORROSION FROM FS 604 TO 635. MAINT FAB AND INSTALLED A NEW LONG IAW SRM 53-01 FIG 1.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING D-CHECK, FOUND LEFT KEEL AREA LONG 29L HAS CORROSION FROM FS 604 TO 635. MAINT FAB AND INSTALLED A NEW LONG IAW SRM 53-01 FIG 1.