TC reported having difficulty in opening'A' side cab door at JUR MT. ~~~~~ 3674 TC reported having difficulty in opening 'A' side cab door at JUR MT.  3674 A/s cab door function check open/close & found during door opening, the plunger did not retract fully, preventing the cab door from opening fully. OPS 20 raised to follow-up.  Abdillah 44023 To follow up rectify.  3674 A/s cab door found the fixed door latch contact unable to retract fully. Serviced the lock cylinder & function test - OK. Open/close cab door 30x - OK. No fault recurred & cab door proven closed.  Sarma/Anand 44023