As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"MAINT LIGHT" ILLUMINATED ON TAXI TO GATE. NO OTHER INDICATIONS. GROUNDED - YES. C/W FAULT INTERROGATION FOR MAINT MSG, FOUND LATCHED FAULT 74-21052 AND ALSO FOUND EEC SWITCHES IN TEST POSITION.C/W IFIM TASK G74-20-00-810-801. EEC CHANNEL A&B IGNITION SYSTEM TEST GOOD. LATCHED FAULT ERASED, MAINT LIGHT EXTINGUISHED SEAMC MARK NOTIFIEDTSAR174M.