What was found
FUSELAGE STRINGER 31RH HAS A CRACK BETWEEN THE LAST 2 FASTENER HOLES AT FR67 AND COUPLING CORROSION. C/W ALL STEPS OF PRI 634956-14 REV 00, FR65-67 STGR 31RT REPAIR, AWAITING FINAL ERA FROM ENGINEERING. REMOVED ORIGINAL REPAIR COUPLING FROM PRI 634956-14 REV 00 AT STGR 31 R/H AND FR 65-66. INSTALLED NEW REPAIR COUPLING IAW PRI 634956-14 REV 01 Q937 2203863. REVIVED FINAL ERA 634956- 14 AND ALL STEPS MATCH PRI 634956-14 REV 01 NO DEFECTS NOTED. JOB COMPLETE. (LP: 1643223, AIRCRAFT WAS GROUNDED)