As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING T/C 78233001, FOUND EMERGENCY LIGHTS UNDER OVERHEAD BINS BETWEEN ROWS 17 THROUGHOUT 24 ABC & DEF DID NOT OPERATE LONGER THAN 15 MINUTES. GROUNDED - YES. REPLACED BATTERY PACKS FOR EMERGENCY LIGHTS FOR ROWS 17 - 24 ABC AND DEF PER AMM 33-51-06, OPS NORMAL.