What was found
LEFT FS 280 CROSSBEAM HAS CORROSION ON UPPER FLANGE. REMOVED LEFT 280.00 CROSSBEAM IAW 700/900 SERIES SRM 51-42-06, 51-42-13, 51-42-21. LOCATED HOLES ON SERVICEABLE CROSSBEAM P/N CC670-34175-7, IAW CRJ 700 SRM 51-40-11. INSTALLED LEFT 280.00 CROSSBEAM SECTION, SOLID FASTENERS, AND HI-LITES AND CHERRY FASTENERS AS REQUIRED IAW CRJ 200 SRM 51-42-06, 51-42-13, AND 51-42-21. RE-INSTALLATION OF LBL 20.00 AND LBL 37.00 INTERCOSTALS. O/B UPPER FLANGE FASTENERS REQUIRE INSTALLATION FOR COMPLETION OF REPAIR. INSTALLED REMAINING FASTENERS AS REQUIRED IAW CRJ 700 SRM 51-42-06. TOPCOATED REPAIR AREA IAW CRJ 700 SRM 51-25-16. APPLIED DINITROL AV8 TO REPAIR AREA IAW CRJ 700 SRM 51-21-11. LOCATED FASTENER HOLES FOR F