As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHT BATTERY AT ROW 27 (IN THE CEILING) WILL NOT HOLD A CHARGE. GROUNDED - YES. REMOVED AND INSTALLED SERVICABLE EMERGENCY LIGHTS BATTERIES ROW 22R AND 27R IAW B737-900 AMM 33-51-06-960-805, 25-21-45-000-803-001, 25-21-45-400-801, 21-23-03-000-801, AND 21-23-03-400-802. (S/N 306633)