As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTING AT OVERHEAD BIN LEVEL IS FLICKERING NEAR ROW 25 ON AIRCRAFT LEFT. GROUNDED - YES. FOUND DEFECT AT ROW 21, AIRCRAFT LEFT. REMOVED AND REPLACED AISLE LIGHT L01507. NO HELP. FOUND CONNECTOR D14816 DISCONNECTED. RECONNECTED AND PERFORMED EMERGENCY LIGHTS OPS TEST. OPS TEST GOOD. REF B737-900 WDM 33-51-12 AND B737-900 AMM 33-51-00.