If you mean the controller said "Sierra, Echo, Lima, Charlie, Alpha, Lima" it certainly wasn't in the log you provided
09/05/2024 14:50:09: 960 - Transcript: 'Shanwick radio Speedbird 1467 '
09/05/2024 14:50:16: 550 - Transcript: ' Speedbird 1467 Shanwick radio go ahead '
09/05/2024 14:50:25: 140 - Transcript: 'Shanwick radio Speedbird 1467 using SELCAL Juliet Lima Alpha Delta from Echo Golf Lima Lima for Charlie Yankee Yankee Zulu '
09/05/2024 14:50:39: 770 - Transcript: ' roger Speedbird 1467 standby for SELCAL check '
09/05/2024 14:50:59: 450 - Transcript: 'SELCAL check okay Speedbird 1467 '
09/05/2024 14:51:05: 020 - Transcript: ' roger Speedbird 1467 report reaching 55 north 20 west next good day '