B747-400 FLT CREW IS PRESSURED TO DEPART FROM FOREIGN STATION WHILE ATTEMPTING TO RESOLVE LOGBOOK DISCREPANCY.

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DURING FLT PLANNING AT THE ACFT WE SAW THAT THE AUDIO COMPONENT OF THE PREDICTIVE WINDSHEAR SYS WAS INOP. WHEN WE GOT ABOARD; WE COULD FIND NO EVIDENCE OF ANY PROB; SO I CALLED MAINT. THEY SAID THAT THE PROB HAD BEEN FIXED AND SENT US MY RELEASE INDICATING THAT. I TESTED THE RADAR USING BOOK PROCS AND THE WINDSHEAR SYS FAILED TO TEST AT ALL. I CALLED RAMP AND ASKED FOR A MECH. WHEN MECH ARRIVED 10 MIN PRIOR TO DEP; SAID THAT I HAD TO SELECT THE WXR SWITCHES TO 'ON;' CYCLE THE MODE SWITCH TO TEST; NORMAL; THEN GO TO TEST IN ORDER TO GET A VALID TEST. THAT IS NOT AN APPROVED PROC AND DOES NOT CONFORM TO THE ADDITIONALS IN THE B747 FLT MANUAL. OPERATING THE RADAR IN SUCH A MANNER CAUSES IT TO EMIT ENERGY AT THE GATE. THERE IS A WARNING IN THE FLT MANUAL PROHIBITING SUCH OP. I TOLD THE MECH THAT THE WINDSHEAR SYS WAS NOT TESTING PROPERLY AND ASKED MECH TO RE-DEFER IT. ANOTHER PERSON IN A SHIRT AND TIE ENTERED THE COCKPIT AND BEGAN TALKING OVER THE MECH AND I IN AN EFFORT TO PRESS US TO LEAVE ON TIME. I'M GUESSING THAT THIS WAS THE STATION MGR. I SAID VERY DIRECTLY THAT WE WOULD LEAVE WHEN THE ACFT PAPERWORK REFLECTED THE ACFT STATUS. THE MECH TOLD ME THAT THEY WOULD SEND A NEW RELEASE AND OPS PLACARD. THE COCKPIT WAS PREPARED FOR AN ON-TIME DEP WHICH WE MISSED BECAUSE THE CARGO DOOR WAS STILL OPEN. THE RELEASE CAME PRIOR TO OUR PUSH. HERE ARE THE PROBS AS I SEE THEM: 1) THE MECHS MAY HAVE USED A NONSTANDARD PROC IN ORDER TO GET A VALID TEST OF THE SYS. 2) WHEN I QUESTIONED THE MECH; I WAS DIRECTED TO USE THE SAME TEST TO GET A PASS OF THE SYS. 3) THE MAINT PAPERWORK DID NOT REFLECT THE REAL STATUS OF THE AIRPLANE. 4) WHEN I ADDRESSED THIS WITH THE STATION; A 'SUIT' TRIED TO PUSH ME INTO TAKING THE AIRPLANE AS IT WAS. 5) IF I HAD TAKEN THE AIRPLANE IN THAT CONFIGN; I WOULD HAVE BEEN IN VIOLATION OF FARS AND COMPANY PROCS. PLEASE NOTE THAT THE MECH WAS NOT PUSHY AT ALL. MY QUESTIONS WERE ANSWERED IN A STRAIGHTFORWARD; PROFESSIONAL MANNER AND MECH BELIEVED THAT THE SYS WORKED. IT MIGHT BE MECH NOTIFIED DISPATCH OF THE PROB SO THEY WERE IN THE LOOP. HUMAN FACTORS: 1) A STRONG DESIRE ON THE PART OF THE STATION TO GET THE ACFT OUT ON TIME NO MATTER WHAT. 2) BEHAVIOR ON THE PART OF A MGR WHO OBVIOUSLY LACKED THE TECHNICAL EXPERTISE TO ARGUE THEIR POS. 3) LANGUAGE DIFFICULTIES WITH ONE MECH.