As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMER EQ - FOUND EMEREGENCY LIGHT SWITCH IN THE ARM POSIOTION WITH NO POWER TO AIRCRAFT. NUMERIOUS EMR LIGHTS THROUGHOUT CABIN INOP. // REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT (EPSU) BATTERIES PER AMM 33-51-38. BITE TESE PASSED. OPS CHK GOOD. OK FOR SERVICE.