As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PROP RPM AND TORQUE SURGE AFTER TAKEOFF. MX IN WEEK REPLACED POWER LEVER SWITCHS IAW ENGINE MANAGER. CHECKED OPS OF BETA LOCKOUT SWITCH 6121-S4 DUE TO NR2 PROP RPM TORQUE SURGE. FOUND SWITCH 6141-S4 INOP. R & R SWITCH IAW -8 MM 76-10-13. OPS CHECKED GOOD ON RUNUP IAW WORKCARD 61-21-10. ALSO RIGGED SWITCHES 2761-S2 AND 3261-S24, CKD GOOD ON RUNUP.