-
C2 system ...................................... 291 816 02

. Differential pressure indicator on pressure filter is extended.
 -C1 system ...................................... 291 817 01

 -C2 system ...................................... 291 817 02

 Hydraulic reservoir:. Center system reservoir fluid level is high and right system reservoir fluid level is low .... 291 821 00. Right system reservoir fluid level is high and center system reservoir fluid level is low ... 291 822 00
 Hydraulic return filter module:. Bypass relief valve indicator is extended.
 -center system .................................. 291 811 43

 -left system .................................... 291 811 41

 -right system ................................... 291 811 42. Differential pressure indicator is extended.
 -center system .................................. 291 819 43

 -left system .................................... 291 819 41

 -right system ................................... 291 819 42

 Hydraulic shutoff valve power VALVE CLOSED light: does not come on with switch set to SHUTOFF.
 -
C hydraulic system for TAIL .................... 270 812 43

 -
C hydraulic system for WING .................... 270 811 43

 -
L hydraulic system for TAIL .................... 270 812 41

 -
L hydraulic system for WING .................... 270 811 41

 -
R hydraulic system for TAIL .................... 270 812 42

 -
R hydraulic system for WING .................... 270 811 42

OBSERVED FAULTS
PW Page 48 D633W113-BEJ May 05/02
FAULT DESCRIPTION_________________ FAULT CODE
 IAS/MACH selector or reference switch problem on mode control panel ................................... 221 634 00
 IAS/MACH window problem on mode control panel ........ 221 635 00

 Ice on drain mast:
 -aft ............................................ 307 811 45

 -forward ........................................ 307 811 44

 IDG differential pressure indicator button: extended when OIL FILTER indication on Electrical maintenance page shows NORMAL.
 -left ........................................... 241 826 41

 -right .......................................... 241 826 42

 IDG OIL FILTER indication on Electrical maintenance page:
. Blank.
 -left ........................................... 241 821 41

 -right .......................................... 241 821 42. Shows BLOCKED.
 -left ........................................... 241 822 41

 -right .......................................... 241 822 42

 IDG OIL LEVEL indication on Electrical maintenance page: blank.
　
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