What was found
WOLEFT HAND HORIZONTAL STABILIZER, THE AFT UPPER BUSHING HAS PLATING WORN. (120-117) - RESOLUTION: REMOVE AND REPLACE BUSHINGS. REMOVED AFT UPPER MOUNT BUSHINGS AT RH HORIZONTAL STABILIZER IAW BOEING SERVICE BULLETIN 737-55-1074 FIG. 4 PG. 1 TO PG 3 REV 2 JULY 21, 2017. FIGURE 7, SHEET 1 THRU 3. PERMANENT REPAIR PART 3, STEP 5. INSPECTED THE JOINT, IAW EAR #08 RESPONSE STEP 2, PER SB 737-55-1074 REV 2: JULY 21, 2017. PERMANENT REPAIR PART 3, STEP 10. SCRATCHES NOTED. ACCOMPLISHED FILLING THE REPORT FORM FOR AFFECTED JOINT AS PER 737-NG-FTD-55-13002, JOINT DIMENSION REPORT IAW EAR #08 RESPONSE STEP 2. PERFORMED DAMAGE REMOVAL OF CORROSION IN THE BORE AREA ONTO RHS HOR. STABILIZER REAR SPAR UPPER LUG (BORE) UP TO NOMINAL SIZE DIAM: 1.951" IAW EAR ITEM #08 DATED: 01/28/25 ENG. RESPONSE STEP 6 THRU STEP 8 AND BOEING SB 737-55-1074 FIG. 9.