As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACCOMPLISHING T/C 78233008, FOUND (2) EA OVERHEAD AISLE LIGHTS INOP OF THE EMERGENCY SYSTEM AT ROW 25DEF AND 29DEF. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY EXIT LIGHT BATTERY PACK AND CHARGER, M2627, REF B737-900 AMM 33-51-06/401. ALL OPS TEST PASS. ALL EMERGENCY EXIT LIGHTS AT 25DEF AND 29DEF OPS TEST PASS.