As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT RETURNED, EMER NOT DECLARED & LANDING UNEVENTFUL. ACFT NOT OVERWEIGHT. LT ENG N3 FLUCTUATION ALONG WITH LT ENG BLEED OFF & LT ENG SPEED CARD STATUS MSG. ACCOMPLISHED WIRING CHECK OF LT ENG N3 TACH GEN IAW WDM 71-51-22 WITH NO FAULTS FOUND. R & R LT ENG TACH GEN IAW AMM 77-12-02. PERFORMED LEAK & OPERATIONAL CHECKS. SYS CHECKED NORMAL.