What was found
ON FINAL APPROACH, WHILE CONFIGURING FOR LANDING, FLAPS BECAME SPLIT WITH LT FLAP AT 11 DEGREES & RT FLAP AT 15 DEGREES, A SLIGHT ROLL NOTED ON CONTROLS. LE SLATS ALL NORMAL WITH GREEN LIGHTS, DECLARED EMERGENCY & LANDED WITHOUT FURTHER EVENT. MX PERFORMED A VISUAL INSPECTION OF FLAPS & CHKD FOR SECURITY. WHILE RUNNING FLAPS UP & DOWN, OBSERVED A NEEDLE SPLIT ON INDICATOR AT 30 & 40 UNITS FOR A FEW SECONDS. R & R FLAP POSITION INDICATOR IAW T/C R1B27001, OPS CHECK GOOD. CONFIRMED REASON FOR REMOVAL FINDING COMPARATOR TEST & POINTER WERE OUT OF TOLERANCE. ADJUSTED COMPARATOR SWITCH, SHIMMED SYCHRO, CLEANED UNIT, CALIBRATED, & REACCOMPLISHED FUNCTIONAL TEST IAW CMM 27-50-03.