As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACCOMPLISHING ASA T/C EMERGENCY LIGHTS OP CK. FOUND INTERIOR R1 MAIN EXIT LIGHT, EXTERIOR R1 LIGHT INOP AND EMERGENCY LIGHT ON FIRST CLASS OVERHEAD BIN INOP. GROUNDED - YES. REMOVED AND REPLACED M1674 BATTERY PACK. R1 INTERIOR AND EXTERIOR EGRESS LIGHT OPS NORMAL REF B737-900 AMM 33-51-06-960-805. CHARGED SYSTEM AND FIRST CLASS OVERHEAD BIN EMERGENCY LIGHT CHECKS GOOD REF AMM 33-51-60-610-802.