What was found
DURING HEAVY CHECK, THE SERVICE DOOR LOWER CENTER SILL WAS CORRODED. FABRICATED AND INSTALLED A DOUBLER IAW SRM 53-21-02 RE ITEM 2.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY CHECK, THE SERVICE DOOR LOWER CENTER SILL WAS CORRODED. FABRICATED AND INSTALLED A DOUBLER IAW SRM 53-21-02 RE ITEM 2.