Let me add something to this post...
LA5024 (SP28), LA5026 (SP30), LA5027 (SP31), LA5028 (SP32), LA5029 (SP33) and LA5032 (SP36) are being manufactured in Line-1, that is LCA Division...
You identified 5 of these... So, the 6th jet which you couldn't identify (the other behind LA5027) is SP33 or...