What was found
MDIS 657 33-50 4711 04MAR22 ABE FACT U COURIER AREA EMERGENCY LIGHTS TEST PUSHSWITCH DOES NOT ILLUMINATE DURING TEST. PART 04MAR22 14:03 ABE U IDENTIFIED PARTS (W/KIT)EMG LIGHT P/S W/O MPN: 3214-41 CPN: 3310871 QTY: 1 PART 04MAR22 14:03 EWR U ORDER PART MPN: 3214-41 CPN: 3310871 QTY: 1 MSN: 2094716 PART 04MAR22 18:54 ABE U IDENTIFIED PARTS EMER POWER SUPPLY BATTERY MPN: AD3214-30 CPN: 3310373 QTY: 1 PART 04MAR22 18:54 MEM U ORDER PART MPN: AD3214-30 CPN: 3310373 QTY: 1 MSN: 2094756 R/I 07MAR22 23:54 ABE U REASON CODE : PREMATURE REMOVAL/INSTALLATION OFF MPN: AD-3214-30 POS: 3 SRL: 96523 TAG NBR: 841G42 ON MPN: AD-3214-31 CPN: 3310373 SRL: 279537 TAG NBR: 8135G1 FACT 07MAR22 23:54 ABE U AMM: 33-51-14-04 REMOVED AND REPLACED POWER SUPPLY BATTERY ON UNIT 29WL, REF AMM 33-51-14-04. OPS CHECKS GOOD. PART NAME- EMER POWER SUPPLY BATTERY, MANUFACTURER- AERO DESIGN INC,, P/N AD-3214-30, S/N 96523.