What was found
RH HORIZONTAL STABILIZER HAS 2EA. CRACKS IN RIB STAB STA.92.70. GROUNDED - YES. EXISTING REPAIR REMOVED IAW B737-800 SRM 51-40-02. PAINT STRIPPED IAW B737-800 AMM 51-21-11. 2EA CRACKS REMOVED AT STA 92.70 IAW B737-800 SRM 51-10-02. ACCOMPLISHED HFEC ON 2EA RIB CUTOUTS IAW B737 NDTM 51-00-00 PROCEDURE 23 PT6. NO DEFECTS NOTED. PERFORMED DVI OF REPAIR AREA AT RH RIB STAB STA 92.70 IAW ASA B737-800 SRM 51-10-02. NO DEFECTS FOUND. RECEIVED T-SECTION 7075-T6511 PO:1108753.1 AND ANGLE BAC1490 7075-T6 EXTRUSION PO: 1108946.1 AND SHIM 7075-T6 .016 PO:891393.2 IAW B737-800 SRM 55-10-09-2R-4. HEAT TREAT OF 7075-T6511 TO T76511 ACCOMPLISHED ON CUST CARD G2082806 FABBED ALL REPAIR PARTS IAW B737-800 SRM 55-10-09-2R-4. ALODINED ALL REPAIR PARTS AND RIB IAW B737-800 SRM 51-20-01. PRIMED RIB AND ALL REPAIR PARTS IAW B737 SOPM 20-41-02. INSTALLED ALL REPAIR PARTS IAW B737-800 SRM 55-10-09-2R-4. . REPAIR CATEGORY A.