TM 1–1520–238–T–2
Change 5
2–29
Table 2–1.
Master Failure Symptom Index (cont)
Failure Symptom
MOC
Reference
BRIGHTNESS OF CPG INSTRUMENT VERTICAL
SCALE INDICATORS AND DIGITAL
READOUTS DO NOT CHANGE (CPG
DIM/TEST PANEL: DGT OFF/NORM/ TST
SWITCH SET TO NORM AND MANUAL DIM
CONTROL ROTATED FULLY
COUNTERCLOCKWISE THEN FULLY
CLOCKWISE)
TM 1–1520–238–T–5
ENGINE
INSTRUMENTS
BUCS FAIL AND BUCS ON INDICATORS ARE
LIGHTED (CPG COLLECTIVE STICK: BUCS
SELECT TRIGGER SWITCH HELD TO
CLOSED)
TM 1–1520–238–T–7
DASE
BUCS FAIL INDICATOR IS NOT LIGHTED (CPG
MASTER CAUTION/WARNING PANEL: PRESS
TO TEST INDICATOR PRESSED)
TM 1–1520–238–T–6
CPG CAUTION AND
WARNING SYSTEM
BUCS FAIL INDICATOR IS NOT LIGHTED (PILOT
MASTER CAUTION/WARNING PANEL: PRESS
TO TEST INDICATOR PRESSED)
TM 1–1520–238–T–6
PILOT CAUTION AND
WARNING SYSTEM
BUCS FAIL INDICATORS ARE NOT LIGHTED
(CPG COLLECTIVE STICK: BUCS SELECT
TRIGGER SWITCH HELD TO CLOSED)
TM 1–1520–238–T–7
DASE
BUCS ON INDICATORS ARE NOT LIGHTED
(MASTER CAUTION/WARNING PANEL:
MASTER CAUTION INDICATOR PRESSED)
TM 1–1520–238–T–7
DASE
BUCS ON INDICATORS REMAIN LIGHTED
(PILOT ASE PANEL: BUCS TST SWITCH SET
TO CPG)
TM 1–1520–238–T–7
DASE
BUCS ON INDICATORS REMAIN LIGHTED
(PILOT ASE PANEL: BUCS TST SWITCH SET
TO PLT)
TM 1–1520–238–T–7
DASE
BUCS TRACER NO–GO APPEARS ON HOD
TM 1–1520–238–T–7
DASE
BUS INACTIVE (MUX SWITCH TO SEC)
TM 9–1230–476–20–2
MULTIPLEX
SUBSYSTEM (ADD)
BUS INACTIVE TERMINAL FAIL MESSAGE
DISPLAYED (AN/ASN–137) (ADD)
TM 11–1520–238–23–2
DOPPLER
NAVIGATION
SYSTEM (DNS)
AN/ASN–137 (ADD)
CANNOT LOAD TOD FROM EGI (ADD)
TM 11–1520–238–23–2
UHF–AM RADIO SET
(ADD)
