After every flight, pilots fill out a form describing problems that need repair or correction. The mechanics correct the problem and respond what remedial action was taken.
Read some actual logged maintenance complaints and the solution recorded by maintenance engineers.
(P = the problem logged by the pilot.
S = the solution and action taken by the engineers.)
P: Left inside main tire almost needs replacement.
S: Almost replaced left inside main tire.
P: Test flight OK, except auto-land very rough.
S: Auto-land not installed on this aircraft.
P: Something loose in cockpit.
S: Something tightened in cockpit.
P: Dead bugs on windshield.
S: Live bugs on back-order.
P: Autopilot in altitude-hold mode produces a 200 feet per minute descent.
S: Cannot reproduce problem on ground.
P: Number 3 engine missing.
S: Engine found on right wing after brief search.
P: Aircraft handles funny.
S: Aircraft warned to straighten up, fly right, and be serious.
P: Mouse in cockpit.
S: Cat installed.