What was found
(CAN) FLIGHT SPOILER CAUTION MESSAGE CAME ON DURING APPROACH. WENT OUT AFTER LANDING. INTERMITTENT PROBLEM THAT OCCURRED SEVERAL TIME IN RECENT PAST. SECU (SPOILER ELECTRONIC CONTROL UNIT) NR 1 FAULT CODES 02,51,E8 DISPLAYED. SECU NR 2 FAULT CODES EC,52,EA DISPLAYED. RIGHT OUTBOARD SPOILER PCU (POWER COANTROL UNIT) REPLACED AND RIGGED. SECU NR 1 AND 2 REPLACED. SYSTEM RESET AND OPERATION CHECKED SERVICEABLE. PCU P/N 27000-3SECU P/N 49-164-05