What was found
R/H AILERON PCU'S (BOTH) SHOW SIGNS OF CORROSION ON CLEVIS SUBASSEMBLIES. REMOVE & INSPECT, REPLACE IF NECESSARY (FILED CLOSED) REMOVED AND REPLACED WITH SERVICIABLE UNITS BOTH I/B AND O/B R/H AILERON PCU'S IAW CRJ 200 AMM 27-14-01. RIGGING CHECK GOOD. LEAK CHECK GOOD. OPERATIONAL CHECK GOOD / CALIBRATED TOOLING: TORQUE WRENCH AV 7335 CAL. DUE MAR 22, DIGITAL PROTRACTOR AV 4274 OCT 21, DIGITAL PROTRACTOR AV 7399 CAL. DUE APR. 22