What was found
DURING C4 CHECK, MAIN FLOOR SUPPORT BRACE AT BS 520, LBL 20, WAS FOUND CRACKED. REPAIRS WERE ACCOMPLISHED PER B-737 SRM 51-10-1, PARAGRAPH 4 AND SRM 51-30-2.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C4 CHECK, MAIN FLOOR SUPPORT BRACE AT BS 520, LBL 20, WAS FOUND CRACKED. REPAIRS WERE ACCOMPLISHED PER B-737 SRM 51-10-1, PARAGRAPH 4 AND SRM 51-30-2.