What was found
DURING BLOCK CHECK IN MSP, MAINTENANCE FOUND CENTER STIFFENER ASSY P/N 27-31110 AT BL 0.00 AND FS 254.52 CRACKED. REPAIRED BY REPLACING CENTER STIFFENER ASSY WITH NEW P/N STIFFENERS 27-31110-031, 032 AND CLIP P/N 27-31110-017, 027. ALSO, INSTALLED STIFFENER DOUBLER PATTERNED AFTER FAIRCHILD SRM 57-90-30 REPAIR NR 1 REV NOV/94 AND ADDITION OF TEE ANGLES PER SRM 57-90-30 REPAIR NR 2 REV NOV/94. (W)