What was found
MDIS 996, 33-50, 7681, 09SEP20, MEM, FACT, U. ON PREFLIGHT, DISCOVERED EMERGENCY LIGHTS FOR L1 DOOR, BOTH INTERIOR AND EXTERIOR, INOPERABLE. R/I 09SEP20 06:37 MEM U. REASON CODE: FAILED OPS CK & REPLACED WITH SERVICEABLE UNIT, OFF MPN: 2013-1A POS: 1 SRL: 51567 TAG NBR: 65F148 ON MPN: 2013-1 ASMI CPN: 3301128 SRL: 11048 TAG NBR: 8927G2 FACT 09SEP20 06:37 MEM U. REMOVED AND REPLACED M731 POWER SUPPLY BATTERY REF 757 AMM 33-51-07-2. OPS CHECK GOOD, A/C OK FOR SERVICE.