What was found
NL GAUGE RIGHT ENGINE APPROACHED RED ARC DURING CLIMBOUT. TORQUE WAS REDUCED. NH AND ALL OTHER INDICATIONS REMAINED NORMAL (T6 APPROX 690-700, NH APPROX 95 PERCENT). AFTER ENGINE SHUTDOWN, GAUGE MOMENTARILY STUCK AT 10 PERCENT NL. DURING FLIGHT, NL RIGHT SIDE STAYED 10 PERCENT HIGHER THAN NL LEFT SIDE. REPLACED RIGHT NH/NL INDICATOR WITH SERVICEABLE UNIT. OPS CHECK GOOD AT THIS TIME. P/N ON AND OFF SEDL-OC29M, S/N ON 191, S/N OFF B232.