What was found
PAE - FLT 7803 - DURING ROUTINE SCHEDULED C-8 MAINTENANCE CHECK, FOUND CRACK AT L/E ON RIGHT H-STAB RIBS NR 1, 2, 6 AND 7 FROM INBOARD SIDE. REMOVED NR 1 RIB, REPLACED CHORD AND REINSTALLED RIB PER SRM 51-30-2. REMOVED NR 2 RIB, FABRICATED DOUBLER AND INSTALLED DOUBLER AND REINSTALLED RIB PER SRM 51-30-2. REMOVED RIB NR 6, FABRICATED DOUBLER AND INSTALLED AND REINSTALLED RIB PER SRM 51-30-2. REMOVED RIB NR 7 AND REPLACED WITH NEW ONE PER SRM 51-30-2. (M)