What was found
AFTER TAKEOFF SELECTED GEAR LEVER UP AND RECEIVED WOW OUTPUT FAIL STATUS MESSAGE. ACFT RETURNED TO DEPARTURE AND AN EMERGENCY WAS DECLARED. FOUND NLG OLEO CENTERED/EXTENDED PROXIMITY SENSOR AND PROXIMITY SENSOR BRACKET DAMAGED. R & R SUPPORT BRACKET IAW CMM 32-20-04. R & R NLG OLEO CENTERED/EXTENDED PROXIMITY SENSOR PS14GA IAW AMM 32-61-05. ADJUSTED PROXIMITY SENSORS IAW AMM 32-61-05. OPS TEST OF PSS GOOD IAW AMM 32-61-00. NO DEFECTS NOTED AT THIS TIME. ACFT OK FOR SERVICE.