MAINTENANCE OF PLANT AND EQUIPMENT

Each telephone utility shall adopt and pursue a maintenance program aimed at achieving efficient operation of its system so as to permit the rendering of safe and adequate service. Maintenance shall include keeping all plant and equipment in good state of repair consistent with safety and adequate service performance. Broken, damaged, or deteriorated parts which are no longer serviceable shall be repaired or replaced. Adjustable apparatus and equipment shall be readjusted as necessary when found by preventive routines or fault location tests to be in unsatisfactory operating condition. Electrical faults, such as leakage or poor insulation, noise, induction, cross talk, or poor transmission characteristics, shall be corrected to the extent practicable within the design capability of the plant affected.