As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
25 AND 29DEF EMERGENCY AISLE LIGHTS INOP. GROUNDED - YES. C/W OPERATIONAL TEST OF EMERGENCY LIGHTS = OPS CHECK FAIL. INITIALLY 25 & 29 DEF AREA LTS ILLUMINATE HOWEVER, AFTER RUNNING AROUND THE A/C CHECKING ALL THE LIGHTS 25 & 29 DEF FAILED. REPLACED EMERGENCY EXIT LIGHT POWER SUPPLY, M2627. EMERGENCY EXIT LIGHTS OPS CHECKS OK. REF AMM 33-51-06.