(a) The personnel advisory board shall investigate complaints made to it in writing by any officer or employee who is included in the merit system and who is suspended or removed from such officer's or employee's position or otherwise adversely affected by a personnel action.(b)(1) If, in the opinion of the board, the procedures established for such personnel action were not complied with, the board shall make decisions that shall be binding on the administrative officer of the city.(2) In all other cases, the board shall report its findings and recommendations, which shall be advisory in nature, in writing to the manager, and the decision of the manager shall be final. In all such cases any such officer or employee shall have the right to common law certiorari to review the action of the board and the manager.Acts 1957, ch. 238, § 7.26; T.C.A., § 6-3526.