No 12469, Monday 12 Nov 2018, Gridman

ACROSS
1   Engine is not dismantled for scrap (8) JETTISON {JET}{IS+NOT}*
6   One daughter passed with flying colours (4) ACED {A}{CE}{D} Semi&lit? CE/With? (Addendum - {ACE}{D} - See comments)
9   Journalist's tired bothering over offer (6) EDITOR {EDIT{O}R*}
10 Head servant to puke up violently in final act like harakiri (7) SEPPUKU {Se...t}{PUKE+UP}*
13 Takes no notice of sales inducements (9) DISCOUNTS [DD}
14 Footloose sailor going round city is evergreen (5) SALAL {SA{LA}Lt}

15 Murky stuff from sack female left for male (4) MIRE (-f+m)MIRE
16 Restored control by head of dictators after mention (10) REINSTATED {REIN}{STATE}{Di...s}
19 Moderate relaxed, taking shower (10) RESTRAINED {REST{RAIN}ED}
21 Icy mass smashes foot of bird looking back (4) BERG GREBe<=
24 Dance prompts Brown to depart (5) TANGO {TAN}{GO}
25 Network member — a very loud one — one getting in behind time (9) AFFILIATE {A}{FF}{1}{L{1}ATE}
26 Toil more vigorously in distant fortification (7) OUTWORK [DD]
27 Association mate drops army officer (6) LEAGUE colLEAGUE
28 A few get amount by word of mouth (4) SOME (~sum)
29 Method to get charge right for traveller (8) WAYFARER {WAY}{FARE}{R}

DOWN
2   Ensured new customer at last (3,4) END USER* Why at last? See comments
3   Beat needleworker's art (6) TATTOO [DD]
4   Plain green site traversed (9) SERENGETI*
5   Catches scent of operating system held by rising Bengali (5) NOSES {N{OS}ES<=}
7   Take a moment to read this clue/And you should get the answer true (7) COUPLET Definition by example
8   What Macbeth may have seen if he had been quite drunk (6,6) DOUBLE DAGGER [CD]
11 Old currency sees a steep variation (6) PESETA*
12 Outlines of a stupid speech without heading by section head (12) ADUMBRATIONS {A}{DUMB}{oRATION}{Se...n}
17 With destitution, fuelled in a controversial manner in US city (9) NEEDFULLY {N{FUELLED*}Y}
18 A run with half of the royals over the gully (6) ARROYO {A}{R}{ROYals}{O}
20 In sum, head nurse is indeed found in inner room (7) SANCTUM {S{A{Nu..e}CT}UM}
22 Woman gets a hint to be one leaving home (7) EVACUEE {EV{A}{CUE}E}
23 Animal from mountain area about to appear first (6) ALPACA {ALP}{A}{C}{Ap...r}

25 In disorder, we turn up after request (5) ASKEW {ASK}{WE<=}

GRID