TC reported "A" side cab door is jammed,unable to open from inside. ~~~~~ 3548 TC reported A/S door jammed, unable to open from inside. CE: Found A/S cab door unable to open from inside  3548 faulty door cable replaced. Tested Operation & SIR checked - OK. FW checked on both cab door screws & seal - OK. Alan/Lee PT/Anand 45107