What was found
PAE - DURING 15K CHECK, CORROSION WAS FOUND ON FRAME AND SHEAR TIE FASTENERS AT Y1231, X PLUS 12 TO X-7, Z-50. CORROSION REMOVAL ON FRAME FROM X PLUS 12 TO X-7 WAS WITHIN LIMITS, X-7 WAS OUT OF LIMITS. REMOVED DAMAGED AREA AND INSTALLED NEW PIECES IAW DC-9 SRM 51-10-03, 51-10-04 AND 53-01. (M)