OBSERVED FAULTS 
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FAULT DESCRIPTION_________________  FAULT CODE__________ 
 N1 indication: 
 . Erratic when N1 is above 9%.
-left engine .................................... 771 611 61
-right engine ................................... 771 611 62
. Shows no N1 rotation during engine start at or above 40% N2.
 -left engine .................................... 801 615 61
-right engine ................................... 801 615 62
 N1 indication (engine):. Blank.
 -left engine .................................... 732 301 61
 -right engine ................................... 732 301 62. Red.
 -left engine .................................... 732 302 61
-right engine ................................... 732 302 62
 N2 indication: shows no N2 rotation during start.
 -left engine .................................... 801 616 61
-right engine ................................... 801 616 62
 N2 indication (engine):. Blank.
 -left engine .................................... 732 311 61
 -right engine ................................... 732 311 62. Red.
 -left engine .................................... 732 312 61
-right engine ................................... 732 312 62
 Nacelle or strut dragged or damaged:
 -left engine .................................... 055 641 41
-right engine ................................... 055 641 42
Navigation light(s): do not come on .................. 331 631 00
 ND: . ADF L flag shows.
 -captain's ...................................... 345 321 41
-first officer's ................................ 345 322 41 . ADF R flag shows.
OBSERVED FAULTS 
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FAULT DESCRIPTION_________________ FAULT CODE
 -captain's ...................................... 345 321 42
 -first officer's ................................ 345 322 42 . Automatic brightness control problem.
 -left inboard DU ................................ 316 622 41
 -
right inboard DU ............................... 316 622 42. Blank.
-left inboard DU ................................ 316 612 41
 -
right inboard DU ............................... 316 612 42. Brightness irregular.
-left inboard DU ................................ 316 608 41
 -
right inboard DU ............................... 316 608 42. Color presentation incorrect.
-left inboard DU ................................ 316 617 41
 -
right inboard DU ............................... 316 617 42. DME flag shows.
 -captain's ...................................... 345 311 31
 
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