As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(B737-53-3-0739) MAIN CABIN STRINGER HAS TOOLING MARKS STA 500G STR 5R IN CHANNEL AREA. ACCOMPLISHED REPAIR ON MAIN CABIN STRINGER AT STATION 500G S-R5 PER BOEING SRM 53-00-03-2R-3 PAR. 4. DATA WAS TRANSCRIBED FROM P APER DOC AERSALE WO 4391 NR 31107 WORK ACP BY MECH V940458 INSP BY AQC009