What was found
CLIMBING THROUGH ABOUT 10500 FT POWER PLANT MESSAGE CAME ON . ALL ENGINE INDICATIONS NORMAL. RETURNED TO THE FIELD AND MADE A UNEVENTFUL LANDING. AIRCRAFT REMOVED FROM SERVICE. FAULT CODE IN CDS IS NR 2 ENG. C/W FIM 61-20-04-810-813. NO OBVIOUS DEFECTS FOUND. (1-5A1-5 AND 6). C/W ELECT CONTINUITY CHECK ON DUAL PULSE PROBE REF AMM 61-20-06-760-801. FOUND PROBE TO HAVE HIGH RESISTANCE WHEN ENG WAS HOT. R&R PROBE REF AMM 61-20-06-000-801, 61-20-06-400-801. CLEARED ALL FAULTS FROM CDS. OPS CHECK GOOD ON GROUND RUN. POWERPLANT MESSAGE REMAINED EXTINGUISHED. RETURNED TO SERVICE.