What was found
AT FL 340 APPROX 50 MIN INT FLT W/ PNEU SYS 2 MEL(ED) INOP (SYS CONFIGURED W/ 1-2 ISOL ON & NR 2 PACK & BLEED OFF) GOT AIR SYS 2 OFF FOLLOWED BY LVL 3 AIR MANF 2 FAIL. AIR MANF 2 FAIL SOON CLEARED BUT PNEU SYS 2 SCHEMATIC & OVERHEAD MANF LIGHT REMAINED RED EVEN AFTER SHUTDOWN. R & R CAM FOLLOWER SPRING ON 2&3 SPOILER LATERAL CONTROL MIXER IAW SRM. NO ADJUST OR CHANGES TO CABLE/PUSHROD RIGGING MADE TO FACILITATE REPAIR. PERFORMED VISUAL INSP OF SPOILER LATERAL CONTROL MIXER ASSY`S (2) & CONTROL SECTORS; NO FURTHER DISCREPANCIES NOTED. PERFORMED A LATERAL FLT CONTROL FUNCTION/SYMMETRY CHECK IAW AMM 27-60-00-5 STEP 3D48 A-E; LATERALS FUNCTIONED NORMAL IN CLEAN WING & TAKEOFF CONFIG.