What was found
CPCP CORROSION ON BORE INNER AND OUTER SURFACE OF RIBS FROM STA XOS=530,580 AND 610 AT LT SLAT PANEL NR 5. CORROSION ON INNER AND OUTER SURFACE OF RIBS FROM XOS = 530 AND 610 WERE REMOVED IAW SRM 51-10-3, PAR 26 WAS ACCOMPLISHED ORIGINAL THICKNESS ON RIB AT STA=XOS = 530 IS 0.370" AND MINIMUN REMAINING THICKNESS IS 0.364" THEREFORE IT IS WITHIN LIMITS IAW SRM 57-01, FIG 1B WAS ACCOMPLISHED ORIGINAL THICKNESS ON RIB AT FROM XOS =610 IS 0.251" THEREFORE IS WITHIN LIMITS IAW SRM 57-01, FIG 1 AND REPLACED RIB AT STA XOS= 580 AND XOS = 610, DAMAGE WAS REPAIRED ON STA XOS=530 AND 610 AND MEASURED WITH HOLES FWD ID 0.811" AND AFT HOLES ID 0.812" ON STA XOS =530 AND STA XOS =610 HOLES FWD AND AFT ID 0625" THEREFORE OUT LIMITS OF BLUE PRINT HOLE DIAMETER IAW SRM 57-02, PAR 9C 1. BUSHINGS WERE FABRICATE AND INSTALLED IAW SRM 57-02, PAR 9 C2.