As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AIRCRAFT DIVERTED TO DFW AND DECLARED AND EMERGENCY DUE TO A ENGINE 1 EPR MODE FAULT N1 DEGRADED MODE , MAX N1 ON #1 ENGINE 79.6. FL-310 N1 ON #2 ENG 90.0 CLIMB DETENT. THE AIRCRAFT LANDED SAFELY AT DFW WITHOUT FURTHER INCIDENT. MAINTENANCE ACCOMPLISHED TSM 73-22-00-810-817-B AND FOUND FAULT CODE T2NAI,. REPLACED P2T2 SENSOR PER TASK CARD 26L40073005 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.