What was found
R1 HEADER PANEL EMERGENCY LIGHTS INOP. GROUNDED - YES. REMOVED AND REPLACED MIG74 EMER BATTERY POWER SUPPLY, OPS CHECK GOOD IAW B737-900 AMM 33-51-06-960-806.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
R1 HEADER PANEL EMERGENCY LIGHTS INOP. GROUNDED - YES. REMOVED AND REPLACED MIG74 EMER BATTERY POWER SUPPLY, OPS CHECK GOOD IAW B737-900 AMM 33-51-06-960-806.