What was found
MDIS 674 33-50 3860 15APR22 ABE OPEN U COURIER AREA EMERGENCY LIGHTS TEST PUSHSWITCH DOES NOT ILLUMINATE DURING TEST. FACT 15APR22 17:01 ABE AMM: 33-51-14-04 REMOVED AND REPLACED EMERENCY POWER SUPPLY UNIT , REF A300 AMM 33-51-14-04. (MANUFACTUER BY DIEHL P/N 3214-41 S/N 2953) REMOVED AND REPLACED EMER POWER SUPPLY BATTERY, REF A300 AMM 33-51-14-04. (MANUFACTUER BY AERO DESIGN,INC. P/N AD-3214-31 S/N 246251) SYSTEM OPS CHECKS GOOD. OK FOR SERVICE.