TM 11520238T2
2122.2
Table 21.
Master Failure Symptom Index (cont)
Failure Symptom
MOC
Reference
NGB (LEFT OR RIGHT) DIFFERENTIAL
PRESSURE INDICATOR IS EXTENDED
TM 11520238T4
DRIVE SYSTEM
DYNAMIC
NGB OIL LOSS IS INDICATED
TM 11520238T4
DRIVE SYSTEM
DYNAMIC
NG RPM% DIGITAL READOUT 1 AND 2 DOES
NOT STABILIZE AT 22% MINIMUM
TM 11520238T5
PRESSURIZED AIR
SYSTEM
NG RPM% DIGITAL READOUT 1 DOES NOT
STABILIZE AT 22% MINIMUM (PILOT POWER
QUADRANT: ENG START NO 2 SWITCH SET
TO IGN OVRD)
TM 11520238T5
PRESSURIZED AIR
SYSTEM