Texas Property Code - PROP § 92.264. Duty to Repair or Replace

(1) on inspection, the fire extinguisher is found:

(2) a tenant has notified the landlord that the tenant has used the fire extinguisher for a legitimate purpose.

(1) the landlord is not required to repair or replace the fire extinguisher at the landlord's expense;  and

(2) the landlord is required to repair or replace the fire extinguisher within a reasonable time if the tenant pays in advance the reasonable repair or replacement cost, including labor, materials, taxes, and overhead.