Social Psychology
People in groups
Maintenance is teamwork, and groups change individual behaviour. Responsibility means each person is accountable for their own work and for speaking up; it cannot be delegated to the team or absorbed by the supervisor. Peer pressure can push a technician to skip a step to avoid holding up colleagues, and the classic question trap is presenting this as harmless team spirit. Related effects include risky shift or group polarisation (groups take greater risks than individuals would) and groupthink (dissent suppressed in the search for agreement).
Culture exists at several levels: national, organisational, professional and safety culture. A healthy safety culture is informed (reports flow), flexible, just (honest error is not punished, recklessness is) and reporting. Management and supervision set the tone: clear allocation of responsibility and authority, adequate resources, realistic targets, competence checks, and a span of control that lets the supervisor actually see the work.
Team working requires clear roles, shared goals, briefings, cross-checking and assertiveness - the willingness to question someone more senior, and that person's willingness to listen.
Traps
Do not confuse conformity (going along outwardly) with genuine agreement, and remember that a supervisor's signature does not transfer the technician's personal responsibility. Everyone does it this way is a norm, not a justification - a favourite distractor.
Rule of thumb: if you would not do it alone with the manual open in front of you, do not do it because the team is watching.