What was found
AFTER TAKEOFF, GOT "AUTOPILOT" EICAS MESSAGE & RED M/C LIGHT. SWITCHED AND TRIED ALL 3 AUTOPILOTS. ALL THE SAME, HAD NO STAB TRIM. PERF'D MCDP LAST FLT FAULT REVIEW, FOUND MULTIPLE CODES REFERENCING L FCC FAULT ACROSS MULTIPLE CHANNELS. R&R'D L FCC IAW AMM 22-11-01 & INSTALLED CURRENT SOFTWARE. FCC OPS CK GOOD. PERF'D MCDP TEST 30 PER AMM 22-00-02, NO FAULTS NOTED, ACFT REMAINS CA TIII/LAND3. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1474502 SN OFF 08006. COMPUTER, FLIGHT OFF 99-2211-9-0001 8006 ON 99-2211-9-0001 8537