-left CDU ....................................... 346 621 41
 -right CDU ...................................... 346 621 42. Brightness control problem.
 -center CDU ..................................... 346 661 43
-left CDU ....................................... 346 661 41
-right CDU ...................................... 346 661 42
. CDU does not arm VHF (center) for ACARS - left CDU .............................................. 232 653 41
OBSERVED FAULTS 
PW Page 13 D633W113-BEJ Jan 05/04 
C 
FAULT DESCRIPTION_________________ FAULT CODE
 . Display blank.
 -center CDU ..................................... 346 663 43
-left CDU ....................................... 346 663 41
 -
right CDU ...................................... 346 663 42. Display is dim or out of focus.
-center CDU ..................................... 346 662 43
-left CDU ....................................... 346 662 41
 -
right CDU ...................................... 346 662 42. FMC data on CDU is missing or incorrect.
 -left CDU ....................................... 346 672 41
-right CDU ...................................... 346 672 42
. Light (DSPY, FAIL, MSG, OFST, or EXEC) does not
 come on when expected.
-center CDU ..................................... 346 611 43
-left CDU ....................................... 346 611 41
 -right CDU ...................................... 346 611 42. Line select key does not operate when pushed.
 -center CDU ..................................... 346 641 43
-left CDU ....................................... 346 641 41
-right CDU ...................................... 346 641 42
. Menu pages do not show when ACARS menu key
 selected.
-center CDU ..................................... 232 651 43
-left CDU ....................................... 232 651 41
 -
right CDU ...................................... 232 651 42. Mode/function key does not operate when pushed.
-center CDU ..................................... 346 622 43
-left CDU ....................................... 346 622 41
 -
right CDU ...................................... 346 622 42
. Shows message ENTER INERTIAL POSITION ............ 342 632 00
CENTER PUMPS fuel pump switch PRESS light: comes on with airplane on the ground. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址:Fault Reporting Manual 故障报告手册(23)