"Squawks" are problems noted by U.S. Air Force pilots in their post-flight reports, and left for the maintenance crews to fix before the next flight. Each post-flight report problem must have a response from the maintenance crew. Here are some actual excerpts from those post-flight reports logged by the Air Force pilots, and the replies from the maintenance crews.
(P) = Problem (S) = Solution
(P) Left inside main tire almost needs replacement. (S) Almost replaced left inside main tire.
(P) Test flight OK, except "Autoland" very rough. (S) Autoland not installed on this aircraft.
(P) #2 propeller seeping prop fluid. (S) #2 propeller seepage normal - #1, #3, and #4 propellers lack normal seepage.
(P) Something loose in cockpit. (S) Something tightened in cockpit.
(P) Evidence of leak on right main landing gear. (S) Evidence removed.
(P) DME volume unbelievably loud. (S) Volume set to more believable level.
(P) Dead bugs on windshield. (S) Live bugs on order.
(P) Autopilot in altitude-hold-mode produces a 200ft/min descent. (S) Cannot reproduce problem on ground.
(P) IFF inoperative. (S) IFF always inoperative in OFF mode.
(P) Friction locks cause throttle levers to stick. (S) That's what they're there for.
(P) Number three 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.