What was found
LANDING GEAR SHOCK ABSORBER FAULT. ACFT WAS FLOWN AS MAINTENCE FERRY UNDER SPCECIAL FLIGHT PERMIT 52110302015. FOUND PROXIMITY SENSOR 24GA OUT OF LIMITS IAW AMM 32-31-73-200-002-A. REPLACED 24GA AND 25GA PROXIMITY SENSORS AS PRECAUTIONARY IAW AMM 32-31-73-400-005-A, SHIMMED 24GA AND 25GA PROXIMITY SENSORS IAW AMM 32-31-73-200-002-A. OPS CHECK GOOD. NO FURTHER DEFECT NOTED. AIRCRAFT DEPARTED AND WAS UNABLE TO RAISE THE GEAR. CREW RETURNED TO THE FIELD WITH THE FOLLOWING DEFECT: LANDING GEAR NOT UPLOCKED. T/S IAW TSM 32-31-00-810-868-A AND TSM 32-31-00-810-837-A. BOROSCOPE INSPECTION OF ANTI-ROTATION LUBS CHECK GOOD. NLG PROXIMITY SENSOR CLEARANCES CHECK GOOD. FOUND SENSOR 24GA AND 25GA PLATE FOUND LOOSE. SECURED IAW AMM 32-21-11. FUNCTIONAL TEST OF NLG CHECKS GOOD. AIRCRAFT OPERATED AN ACCEPTANCE FLIGHT AFTERWARDS ON 11/01/15 AND WAS SUCCESSFUL.