Gately on Boston AA (p. 447)
Out of the psychic blue, very detailed memories of these fights surfaced one afternoon as he was getting ready to mow the Ennet House lawn for Pat in May Y.D.A.U., when Enfield Marine P.H.H. withheld maintenance services in reprisal for late utilities.
Context
How the return actually happens: no trigger, no madeleine — "Out of the psychic blue," while getting ready to mow a lawn, the M.P.'s measured hidden-vicinity beatings arrive "very detailed" after two decades under. The deadpan bureaucratic clause in the same sentence is exactly the scale-jolt of involuntary memory: it does not wait for a dignified occasion.