What was found
DURING PREFLIGHT, POWER ON CHECKLIST, EMER LTS CHECK, THE FLOOR EMEGENCY EXIT LIGHT AT SEAT 8 WOULD NOT ILLUMINATE. ALL OTHER LIGHTS EXCEPT SEAT 5 WORKED AS DESIGNED. SEE SEPERATE WRITE UP FOR SEAT 5. EMERGENCY LIGHT COMES ON BRIEFLY, THEN GOES OUT. SUSPECT BATTERY. MCC IS PLACING 4 EMERGENCY LIGHT BATTERIES ON ORDER. 09/ 17/2025 ACCESSED AND REPLACED ALL 4 EMERGENCY LIGHT BATTERY PACKS WITH UPGRADED UNITS - VERIFIED PART NUMBERS ARE APPLICABLE PER CE680A IPC. REMOVED 4 EMERGENCY LIGHT BATTERY PACKS P/N C8S28-1 : S/N #1: 005950 S/N #2: 005595 S/N #3: 006375 S/N #4 : 000354 INSTALLED 4 "SERVICEABLE" EMERGENCY LIGHT BATTERY PACKS P/N 3430028-1 S/N #1 H25·12884 S/N #2 H25-12898 S/N #3; H25·12899 S/N #4: H25-12900 COMPLIED WITH SATISFACTORY OPERATIONAL CHECK. REINSTALLED ALL ACCESS. REFERENCE CE680A AMM 33-50-06. 09/18/2025 FLUKE METER WSA-GL-297-E29364 CAL DUE 05/2026