TM 55-6930-214-10
Malfunctions List
Table 7-15.
221 Auxiliary Power Unit/Fuel System
Fuel Systems
Auxiliary Power Unit
FUEL BOOST PUMP
22120
APU
FAIL
22l0l
22102
FUEL XFER PUMP
AFU
HANG START
22121
22103
APU
CNTRL. NG>107
PLT FUEL QTY IND
22122
22104
APU
FIRE
22123
FUEL QTY UNBAL
FUEL CROSSFEED
22124
FUEL CONTAMINATE
22125
#l FUEL FTR CLOG
22126
#2 FUEL FTR CLOG
22127
#I1 FUEL PRESSURE
22128
#2 FUEL PRESSURE
22129
REFUEL VALVE OPN
22130
222 Enqine Instruments/Environmental Control
Environmental Control
Engine Instruments
#l NG IND 0
22220
SDC
222Ol
#2 NC IND 0
22221
ECS
22202
#1 OIL PRESS 0
22203
#2 OIL PRESS 0
22204
PILOT NR IND 0
22205
PLT/CPG NR IND 0
22206
#l TGT IND 0
22207
#2 TGT IND 0
22208
22209
PILOT #l TQ 0
22210
PILOT #2 TQ 0
222ll
PLT/CPG #1 TQ 0
22212
PLT NPl IND 0
PLT NP2 IND 0
22213
P/G NPl IND 0
22214
change 1 7-177
