What was found
LANDING GEAR WOW SYSTEM FAIL DURING CLIMBOUT. DECLARED EMERGENCY, RETURNED TO DEPARTURE, LANDED WITHOUT INCIDENT. FERRIED TO DESTINATION. PERFORMED FULL SERVICE OF NLG SHOCK STRUT REF AMM 12-12-09. R & R NLG NR 2 PROXIMITY FOR WOW DUE TO FLUID CONTAMINATION IN SENSOR REF AMM 32-62-01. PERFORMED NLG WOW SENSOR ADJUSTMENT REF AMM 32-62-01. ALSO, R & R PSEM 1 AND 2 DUE TO FAULT CODE ON ENGINE MAINTENANCE PAGE REF AMM 32-61-01. OPS CHECK GOOD.