As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INVESTIGATING SMC 003 FAULT. FOUND BOTH THE LEFT AND RIGHT OVERWING EMERGENCY EXIT EPSU UNIT CONNECTOR DISCONNECTED. [SUP 06-01-07] ALL EMERGENCY POWER SUPPLY UNITS WERE CHANGED DURING A REGULARLY SCHEDULED HMV VISIT 2 WEEKS PRIOR. STATION PERFORMING HMV DID NOT PROPERLY CONNECT EPSUS LOCATED AT THE OVERWING EMERGENCY EXITS.