What was found
MCN - DURING C19 CHECK DISCOVERED DISBOND AREA ON THE LOWER SURFACE OF THE NR 3 SPOILER, AFT OF SEAL AND INBOARD OF ACTUATOR AT WBL 225L. DISBOND AREA WAS REMOVED AND THE NR 3 SPOILER WAS PREPPED FOR REPAIR IAW BOEING 737-300 SRM 51-70-10-2R4. THE DISBONDED SKIN REPAIR ON NR 3 SPOILER WAS BEYOND SHOPS ABILITIES TO REPAIR. MAINTENANCE REMOVED AND INSTALLED SERVICEABLE NR 3 SPOILER ON THE LT WING IAW BOEING 737-300 AMM 27-61-11. RIG AND OPS CHECK OF THE NR 3 SPOILER WAS GOOD.