As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOTH ENGINES PRODUCED TAKEOFF POWER ON TAKEOFF, BUT ON CLIMB OUT APPROACHING 10,000 FEET A/T DISCONNECTED NR 1 ENGINE POWER NORMAL AT 94.5% AND NR 2 ENGINE WOULD NOT ADVANCE ABOVE 90% N1. ALL OTHER ENGINE INDICATIONS/OIL PRESSURE TEMP NORMAL. REMOVED AND REPLACED NR 2 ENGINE HMU, PER MT 773-21-10 POS 2 PN OFF 442597 SN OFF BECW4093 PN ON 442653 SN ON BECW1019.