As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS ELECT SMELL IN COCKPIT THRUOUT A/C CABIN, VERY STRONG IN FIRST CLASS SMELL REPORTED BY FA 1. RETURN TO THE GATE. MAINTENANCE ACCOMPLISHED JOB CARD 43L00021001. FOUND LEFT RECIRCU FAN BAD. REMOVE & REPLACED LEFT RECIRCULATION FAN IAW AMM 21-24-01. REMOVED & REPLCAED RECIRCULATION DUCT IAW AMM 21-24-03. REMOVED & REPLACED RECIRCULATION FILTERS IAW AMM 21-24-02. OPS CHECK GOOD. NO SMELL IN COCKPIT OR CABIN NOTED.