As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAINT LIGHT ON OVERHEAD PANEL. GROUNDED - YES. FOUND STATUS MESSAGES ENG 1 CONTROL & ENG 1 REVERSER. SELECTED EEC ENG 1 MAINTENANCE POWER FROM TEST TO NORMAL. ERASED LATCHED FAULTS. REF B737-9 IFIM G73-20-00-810-857. FAULTS CLEARED & MEAINTENANCE LIGHT EXTINGUISHED.