Tischendorf , Leon Johann (L J)

Col (rt) Graham du Toit Last Post 22 Jun 2025: Sergeant Leon Johann Tischendorf, 68 Air School, died of disease in 1 Military Hospital, age 41. Graham gave no service number. Rank was empty — set to Sergeant. ROH unit is 102 Battalion; service number is 81955734SWH (not overwritten).
Col (rt) Graham du Toit Last Post 16 Sep 2026: ServiceNo contamination flagged, not fixed: this record shares "81955734SWH" with three unrelated records (Kavari 31012 [now corrected], Tinda 33287 [confirmed genuine owner], Tippett 33288) despite an unrelated 1994 death date -- no source available yet for this record's correct ServiceNo.
16 Sep 2026, ServiceNo contamination sweep: the stored ServiceNo '81955734SWH' was CLEARED. It was not a reading of this man's record. PersonNumbers 33287 to 33289 -- 3 consecutive records -- all carried the identical number, which belongs to the record at the head of that run (33287, Tinda, Timmy (J)). A value repeated down an unbroken block of PersonNumbers is a forward-fill import artefact, not men who shared a service number; the pattern holds across 850 such runs on this roll and is independently confirmed by Mike Sandham's research log, which attaches such numbers to the head of the run 167 times against 6 contradictions (all examined). No replacement is guessed: this man's real service number is simply not known, and a blank field says so honestly where another man's number did not.
25 Sep 2026, Unit2 service-branch sweep: the stored Secondary Unit "Army" was CLEARED. It was not a sub-unit, it was a service-branch word, and it CONTRADICTED this record's own Branch, "Air Force". Across the roll 787 records carried such a contradiction; judged against Corps and Regiment -- independent of both columns -- the evidence backed Branch 744 times and Unit2 not once. Branch is therefore kept and the contradicting word removed. Nothing is guessed: this man's branch of service is already recorded, and his sub-unit, if any, is simply not known.