What was found
(CAN) THIS IS FOR BOTH INNER AND OUTER BEARINGS, INNER. ANTI-SKID OTBD CAS MESSAGE ON TAKE OFF AS POWER WAS BEING APPLIED. REJECTED TAKE OFF AT 20-30 KTS. AND MESSAGE CLEARED. NEXT TAKE OFF NORMAL. MESSAGE REAPPEARED AFTER LANDING ON TAXI IN AT NEXT AIRPORT, THEN CLEARED AGAIN. INTERMITTENT ANTI-SKID MESSAGE CAME ON DUE TO NR 4 WHEEL BEARING CATASTROPHIC FAILURE BREAKING HUB CAP WHICH TURNS WHEEL SPEED TRANSDUCER. CHANGED HUB CAP AND TESTED SYS IAW AMM 32-46-00-720-801. NR 3 AND 4 WHEEL REPLACED. RT AXLE REPLACED. RT OTBD NR 4 BRAKE UNIT REPLACED. AFH 5023.6, AFC 4179. WHEEL TSN 2952 HRS, 2633 CYC, TSR 432 HRS, 402 CYC.