What was found
(SKYLINE DTIP) RH HORIZONTAL STAB STA 120.3 RIB LOWER OUTER FLANGE REPAIR 6TH FASTENER FROM FRONT OF REPAIR REQUIRES REPLACEMENT. (REF ESR# 20-01893) MOD / REPAIRED RH HORIZ. STAB STA 120.3 RIB LOWER OUTER FLANGE IAW SWA EA 1-755-4669 REV IR AND ATS ER 20-0194 REV IR PERMANENT ACTION REQUIRED: THE RIB REPAIR IS CLASSIFIED AS CATEGORY C PER 737-700 SRM 51-00-06. PERFORM A CATEGORY A REPAIR ON THE RIB WITHIN 2 YEARS FROM THE DATE OF THIS APPROVAL. RECOMMEND 737-700 SRM 55-10-09 REPAIR 5. REF: TCO-SWA-20-0187 REMOVABLE COMPONENT: P/N: 186A2000-32 S/N: IC0105