As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PREFLIGHT CHECK EMERGENCY LIGHT WILL NOT TEST. TROUBLE SHOT PER FIM 33-51-02. R & R EMERGENCY LIGHT BATTERY POWER SUPPLY PER MM 33-51-01-4, NO HELP. RE-INSTALLED ORIGINAL PART. REMOVED AND REPLACED MSC REF AMM 31-42-01-4, NO HELP. REINSTALLED ORIGINAL. ITEM REMAINS ON MEL.