What was found
AT 10,000 FT BLEED 2 FAIL, RAN THE CHECKLIST, MESSAGE WENT AWAY. 11,000FT MESSAGE CAME BACK RAN CHECKLIST & WENT AWAY. RETURNED TO FIELD. LANDING UNEVENTFUL. REMOVED FROM SERVICE. RETURNED TO SERVICE. COMPLYIED WITH #2 TORQUE-MOTOR CONTROLLER SERVO LINES LEAK CHECK IAW MM 36-11-06-790-801-A. FOUND NAPRSOV SUPPLY LINE VERY LOOSE AT TOP SIDE OF PYLON. TORQUED LOOSE B-NUT IAW SUBTASK 36-11-06-790-009-A, NO LEAKS NOTED FOR #2 TORUE-MOTOR-CONTROLLER SERVO LINE AFTER TORQUING B-NUT. PERFORMED ENGINE PNEUMATIC BLEED-SYS OPS TEST FOR RT ENGINE BLEED SYS BLEED 2. IAW AMM 36-1-00-710-801-A STEPS 1.-5.C. & 5.E - 6.A. OPS TESTED GOOD. NO FAULTS. BLEED 2 FAIL NOT ACTIVE DURING OPS TEST. RETURNED TO SERVICE.