What was found
AT FL350 M.78 FLIGHT CREW DETECTED ACRID ODOR AND SAW A SMALL AMOUNT OF SMOKE COMING FROM ABOVE THE CENTER GLARE SHIELD. ALL OFF FLAGS APPEARED ON F/O`S IAS/MACH INDICATOR AND IAS/MACH C/B OPENED ON RT SIDE. REMOVED FO`S IAS/MACH INDICATOR. INDICATOR APPEARS TO BE SHORTED. SWAPPED F/O`S INDICATOR WITH CAPTS IAS/MACH INDICATOR. PERFORMED AIR DATA COMPUTER TEST. ALL INDICATIONS NORMAL. REINSTALLED CAPTS INDICATOR IN ORIGINAL POSITION. NEEDS INDICATOR DPN 341002534 NIS DKR 478834. INSTALLED FOS IAS/MACH INDICATOR PER MM. OPS CK GOOD.