What was found
EMERG EXIT SIGN/LIGHT: EMER LIGHTS WORKED ON INITIAL POWER UP PRE FLIGHT BUT ARE FAILING TO ILLUMINATE ON SHUT DOWN. // SIGNOFF// REMOVED AND REPLACED EMERGENCY LIGHT RELAY KF125 PERFORMED OPERATIONAL CHECKS OPS CHECKS FAILED REF CE-700 AMM 24-60 45 REMOVED AND REPLACED #1, #2, AND ,#4 EMERGENCY BATTERY PACKS PERFORMED CHARGE, OPERATIONAL CHECK, AND CHARGE AGAIN REF CE-700 AMM 33-50-05