As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A/C RETURNED TO GATE DUE TO MX. ENGINE INTAKE LIGHT ILLUMINATED ON TAXI OUT. FOUND SPEED TAPE BYPASSING THE TRANSORBERS. MX REMOVED SPEED TAPE FROM TRANSORBERS CLEANED AND CHECKED POWER RELAYS 48HE AND 46HE. RESET C/B AND OP'S CHECKED INTAKE GOOD.