As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKE OFF AT AROUND 100 KNOTS, NOTICED THE N1 ON THE NUMBER ONE ENGINE WAS AT 85.5% WHEN THE TAKE OFF THRUST SETTING SHOULD HAVE BEEN 91.1% N1. ENGINE NR 2 WAS AT REQUIRED N1 SETTING. TIRED TO PUSH NR 1 THRUST LEVER UP BUT NOTICED NO INCREASE IN N1 OR EGT AROUND 20,000 ATTITUDE MSL, THE N1S MATCHED UP AGAIN. R&R HYDRO MECHANICAL UNIT IAW MT.