What was found
BURNING ODOR DURING CLIMB-OUT. TURNED AIR-CONDITIONER OFF AND THE ODOR BECAME WORSE. ELECTRICAL BURN TYPE ODOR. PRIOR TO DEPARTURE , AC COMPRESSOR FLICKING ON AND OFF AND RIGHT ENGINE AMPS FLUCTUATING BETWEEN 50-150. LEFT ENGINE AMPS FLUCTUATING AS WELL BUT LESS THAN RIGHT. VOLTAGE JUMPING 22-29. SHUT OFF A/C AND EVERYTHING STABILIZED. TURNED A/C BACK ON AND IT WAS STABLE. LANDED ON EMERGENCY BATTERY POWER AND USED EMERGENCY. REMOVED AFT EVAPORATOR ASSY P/N 9912583-10, S/N 784 AND REPLACED WITH AS-REMOVED UNIT P/N 9912583-10, S/N 1048 IAW CE525B MM 21-50-00. OPS AND LEAK CHECK GOOD. RAN AIRCRAFT AT TAKEOFF POWER WITH BOTH BLEED AIR SELECTED AND A/C FAN SELECTED AND TEMP IN AUTO COLD. DID NOT NOTICE ANY BURNING SMELL.