As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CABIN BETWEEN STA 380 AND STA 400 LBL 13 WL 208.1 INTERCOSTAL IS CRACKED. 124-054<[01] REMOVED AND REPLACED INTERCOSTAL AT FWD CABIN BETWEEN STA 380 AND STA 400 LBL 13 WL 208.1 IN REF SRM 51-40-02-0G-0;[02] INSTALLED NEW INTERCOSTAL AT FWD CABIN BETWEEN STA 380 AND STA 400 LBL 13 WL 208.1 IN REF SRM 51-40-02-0G-0;[03] CORRECTION - STEP 2 ENTERED IN ERROR;[04] ADDITION TO STEP 1 - AND REFERENCE DRAWING # 143A5400;[05] VERIFIED INTERCOSTAL REPLACEMENT