-
L switch for WING .............................. 270 811 41

 -
R switch for TAIL .............................. 270 812 42

 -
R switch for WING .............................. 270 811 42

OBSERVED FAULTS
PW Page 39 D633W113-BEJ May 05/02
F
FAULT DESCRIPTION_________________ FAULT CODE
 FMC: . CDU alphanumeric key does not operate when pushed.
 -center CDU ..................................... 346 621 43

 -left CDU ....................................... 346 621 41

 -
right CDU ...................................... 346 621 42. CDU brightness control problem.

 -center CDU ..................................... 346 661 43

 -left CDU ....................................... 346 661 41

 -
right CDU ...................................... 346 661 42. CDU display blank.

 -center CDU ..................................... 346 663 43

 -left CDU ....................................... 346 663 41

 -
right CDU ...................................... 346 663 42. CDU display is dim or out of focus.

 -center CDU ..................................... 346 662 43

 -left CDU ....................................... 346 662 41

 -right CDU ...................................... 346 662 42

. CDU 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

. CDU line select key does not operate when
 pushed.

 -center CDU ..................................... 346 641 43

 -left CDU ....................................... 346 641 41

 -right CDU ...................................... 346 641 42

. CDU mode/function key does not operate when
 pushed.

 -center CDU ..................................... 346 622 43

 -left CDU ....................................... 346 622 41

 -right CDU ...................................... 346 622 42. CDU shows message ENTER INERTIAL POSITION ........ 342 632 00. FMC data missing from both PFDs and NDs .......... 346 671 48. FMC data on CDU is missing or incorrect.
 -left CDU ....................................... 346 672 41

 -right CDU ...................................... 346 672 42

OBSERVED FAULTS
PW Page 40 D633W113-BEJ May 05/02
F
FAULT DESCRIPTION_________________ FAULT CODE
 FMCF IN LEFT AIMS maintenance memo shows on the MAT .. 346 480 41
 FMCF IN RIGHT AIMS maintenance memo shows on the MAT .................................................. 346 480 42
　
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