The issue with my Nikon D3400

Motion does not freeze even at fastest shutter speed

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TL;DR: Exposure Varies a lot between LiveView and ViewFinder modes. Motion does not freeze at high shutter speed.

Following are the images I clicked with the camera after the service event.

The Images are clicked with various values of Shutter Speed and ISO.

The Rows can be sorted according to a particular property by clicking on the column head. The images are expandable.
Exif Data for each image is available.

Image File Name Aperture Shutter Speed ISO Flash

Live View (1).jpg f/4.5 1/500 1600 No Flash EXIF

Live View (10).jpg f/3.5 1/2500 12800 No Flash EXIF

Live View (11).jpg f/3.5 1/2000 12800 No Flash EXIF

Live View (12).jpg f/3.5 1/1600 12800 No Flash EXIF

Live View (13).jpg f/3.5 1/1600 6400 No Flash EXIF

Live View (14).jpg f/3.5 1/1000 3200 No Flash EXIF

Live View (15).jpg f/3.5 1/4000 12800 No Flash EXIF

Live View (2).jpg f/4.5 1/500 12800 No Flash EXIF

Live View (3).jpg f/4.5 1/500 3200 No Flash EXIF

Live View (4).jpg f/4.5 1/1000 6400 No Flash EXIF

Live View (5).jpg f/4.5 1/4000 25600 No Flash EXIF

Live View (6).jpg f/18.0 1/200 25600 Triggered EXIF

Live View (7).jpg f/3.5 1/4000 12800 No Flash EXIF

Live View (8).jpg f/3.5 1/4000 12800 No Flash EXIF

Live View (9).jpg f/3.5 1/3200 12800 No Flash EXIF

View Finder (1).jpg f/5.6 1/4000 25600 No Flash EXIF

View Finder (10).jpg f/5.6 1/2500 25600 No Flash EXIF

View Finder (100).jpg f/3.5 1/30 200 No Flash EXIF

View Finder (101).jpg f/3.5 1/30 200 No Flash EXIF

View Finder (11).jpg f/5.6 1/2500 12800 No Flash EXIF

View Finder (12).jpg f/5.6 1/2500 6400 No Flash EXIF

View Finder (13).jpg f/5.6 1/2500 3200 No Flash EXIF

View Finder (14).jpg f/5.6 1/2500 1600 No Flash EXIF

View Finder (15).jpg f/5.6 1/2500 800 No Flash EXIF

View Finder (16).jpg f/5.6 1/2500 400 No Flash EXIF

View Finder (17).jpg f/5.6 1/2500 200 No Flash EXIF

View Finder (18).jpg f/5.6 1/2500 100 No Flash EXIF

View Finder (19).jpg f/5.6 1/2000 25600 No Flash EXIF

View Finder (2).jpg f/5.6 1/4000 12800 No Flash EXIF

View Finder (20).jpg f/5.6 1/2000 12800 No Flash EXIF

View Finder (21).jpg f/5.6 1/2000 6400 No Flash EXIF

View Finder (22).jpg f/5.6 1/2000 3200 No Flash EXIF

View Finder (23).jpg f/5.6 1/2000 1600 No Flash EXIF

View Finder (24).jpg f/5.6 1/2000 800 No Flash EXIF

View Finder (25).jpg f/5.6 1/2000 400 No Flash EXIF

View Finder (26).jpg f/5.6 1/2000 200 No Flash EXIF

View Finder (27).jpg f/5.6 1/2000 100 No Flash EXIF

View Finder (28).jpg f/5.6 1/1000 25600 No Flash EXIF

View Finder (29).jpg f/5.6 1/1000 12800 No Flash EXIF

View Finder (3).jpg f/5.6 1/4000 6400 No Flash EXIF

View Finder (30).jpg f/5.6 1/1000 6400 No Flash EXIF

View Finder (31).jpg f/5.6 1/1000 3200 No Flash EXIF

View Finder (32).jpg f/5.6 1/1000 1600 No Flash EXIF

View Finder (33).jpg f/5.6 1/1000 800 No Flash EXIF

View Finder (34).jpg f/5.6 1/1000 400 No Flash EXIF

View Finder (38).jpg f/5.6 1/1000 100 No Flash EXIF

View Finder (39).jpg f/5.6 1/640 25600 No Flash EXIF

View Finder (4).jpg f/5.6 1/4000 3200 No Flash EXIF

View Finder (40).jpg f/5.6 1/640 12800 No Flash EXIF

View Finder (41).jpg f/5.6 1/640 6400 No Flash EXIF

View Finder (42).jpg f/5.6 1/640 3200 No Flash EXIF

View Finder (43).jpg f/5.6 1/640 1600 No Flash EXIF

View Finder (44).jpg f/5.6 1/640 800 No Flash EXIF

View Finder (45).jpg f/5.6 1/640 400 No Flash EXIF

View Finder (46).jpg f/5.6 1/640 200 No Flash EXIF

View Finder (47).jpg f/5.6 1/640 100 No Flash EXIF

View Finder (48).jpg f/5.6 1/640 100 No Flash EXIF

View Finder (49).jpg f/5.6 1/640 100 No Flash EXIF

View Finder (5).jpg f/5.6 1/4000 1600 No Flash EXIF

View Finder (52).jpg f/5.6 1/320 6400 No Flash EXIF

View Finder (53).jpg f/5.6 1/320 3200 No Flash EXIF

View Finder (54).jpg f/5.6 1/320 1600 No Flash EXIF

View Finder (55).jpg f/5.6 1/320 800 No Flash EXIF

View Finder (56).jpg f/5.6 1/320 400 No Flash EXIF

View Finder (57).jpg f/5.6 1/320 100 No Flash EXIF

View Finder (6).jpg f/5.6 1/4000 800 No Flash EXIF

View Finder (61).jpg f/5.6 1/250 3200 No Flash EXIF

View Finder (62).jpg f/5.6 1/250 1600 No Flash EXIF

View Finder (63).jpg f/5.6 1/250 800 No Flash EXIF

View Finder (64).jpg f/5.6 1/250 400 No Flash EXIF

View Finder (65).jpg f/5.6 1/250 200 No Flash EXIF

View Finder (66).jpg f/5.6 1/250 100 No Flash EXIF

View Finder (7).jpg f/5.6 1/4000 400 No Flash EXIF

View Finder (70).jpg f/5.6 1/200 6400 No Flash EXIF

View Finder (71).jpg f/5.6 1/200 3200 No Flash EXIF

View Finder (72).jpg f/5.6 1/200 1600 No Flash EXIF

View Finder (73).jpg f/5.6 1/200 800 No Flash EXIF

View Finder (74).jpg f/5.6 1/200 400 No Flash EXIF

View Finder (75).jpg f/5.6 1/200 200 No Flash EXIF

View Finder (76).jpg f/5.6 1/200 100 No Flash EXIF

View Finder (77).jpg f/5.6 1/200 100 No Flash EXIF

View Finder (8).jpg f/5.6 1/4000 200 No Flash EXIF

View Finder (82).jpg f/5.6 1/80 12800 No Flash EXIF

View Finder (83).jpg f/5.6 1/80 6400 No Flash EXIF

View Finder (84).jpg f/5.6 1/80 3200 No Flash EXIF

View Finder (85).jpg f/5.6 1/80 1600 No Flash EXIF

View Finder (86).jpg f/5.6 1/80 800 No Flash EXIF

View Finder (87).jpg f/5.6 1/80 400 No Flash EXIF

View Finder (88).jpg f/5.6 1/80 200 No Flash EXIF

View Finder (89).jpg f/5.6 1/80 100 No Flash EXIF

View Finder (9).jpg f/5.6 1/4000 100 No Flash EXIF

View Finder (90).jpg f/5.6 1/80 100 No Flash EXIF

View Finder (93).jpg f/5.6 1/200 1600 Triggered EXIF

View Finder (94).jpg f/5.6 1/200 1600 Triggered EXIF

View Finder (95).jpg f/3.5 1/200 1600 Triggered EXIF

View Finder (96).jpg f/13.0 1/200 12800 Triggered EXIF

View Finder (97).jpg f/13.0 1/200 12800 Triggered EXIF

View Finder (98).jpg f/3.5 1/30 200 No Flash EXIF

View Finder (99).jpg f/3.5 1/30 140 No Flash EXIF

What are your Thoughts?