What was found
CRACK FRAME LOCATED 312 AT LEVEL STRINGER 5 L/H AT PASSENGER CABIN ; 2021-577216 / [01] TOOL USED EDDY CURRENT FLAW DETECTOR P/N: NORTEC 600D; S/N: 210138203; DUE DATE: 05-MAR-22.; [02] TOOL USED: TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 21-JAN-22; TEMPERATURE CONTROLLER P/N: P3015GOES00000; S/N: 142811019; DUE DATE: 21-JAN-22.; [03] PERFORMED REPAIR OF FRAME LOC BS 312 AT LEVEL STRINGER 5 L/H AT PASSENGER CABIN. IAW B737-700 SRM 53-10-07-2R-1 REPAIR 1. ?SEE INDIVIDUAL SIGNOFF BELOW?.; [04] PERFORMED REPAIR FRAME (UPPER CHORD) LOC. BS 312; BETWEEN STRINGER 5L AND 6L AT PASSENGER CABIN. IAW B737-700 SRM 53-10-07-2R-1 REPAIR 1.