What was found
LEVEL 2 CORROSION, SEAT TRACK +Y765 LOCATED BTW FR 64 TO FR 66 AT AFT GALLEY AREA. REPLACED SEAT TRACK Y765 LOCATED BTW FR 64 TO FR 66 AT AFT GALLEY AREA IAW SRM 51-42-11 AND SRM 51-72-11 MEASURE OFCORROSION WERE: L=3.873 IN W= 0.395 IN D= 0.045 IN. RII INSPECTION COMPLETE. (LP: 1707378, AIRCRAFT WAS GROUNDED).