What was found
PREVIOUS REWORK (4EA) BTW STGR 18L TO 17L AND FS 517, FS 563. FS 575, FS 638 AT EXTERNAL FUSELAGE FASTENERS (2 EAS) BTW STGR 18L TO 17L AND FS 563. FS 575 AT EXTERNAL FUSELAGE WERE REPLACED PER CRJ900 SRM 53-00-00-201-003-A03, PREVIOUS REWORK BTW STGR 18L TO 17L AND 638 AT EXTERNAL FUSELAGE WAS FOUND WITHIN LIMITS PER CRJ900 SRM 53-31-01-101-002-A05 AND PREVIOUS REWORK BTW STGR 18L TO 17L AND FS 517 AT EXTERNAL FUSELAGE WAS REPAIRED PER REO 690-53-31-1069 REV-.