TM 1–1520–238–T–2 Change 4 2–130.1 Table 2–1. Master Failure Symptom Index (cont) Failure Symptom MOC Reference PERIODIC TONE IS NOT CLEARED (SILENCED) (PILOT STATION: ANY RADIO PUSH TO TALK SWITCH PRESSED AND RELEASED) TM 11–1520–238–23–2 TSEC/KY–58 COMMUNICATIONS SECURITY EQUIPMENT PILOT ACCELEROMETER INDICATOR DOES NOT LIGHT (PILOT EXT LT/INTR LT PANEL: INST CONTROL ROTATED TO BRT) TM 1–1520–238–T–5 FLIGHT INSTRUMENTS PILOT ACCELEROMETER INDICATOR, VSI, BAROMETRIC ALTIMETER, MAGNETIC COMPASS, AIRSPEED INDICATOR AND SAI EDGE–LIGHTS DO NOT LIGHT (PILOT EXT LT/INTR LT PANEL: INST CONTROL ROTATED TO BRT) TM 1–1520–238–T–5 FLIGHT INSTRUMENTS PILOT AIRSPEED INDICATOR DOES NOT LIGHT (PILOT EXT LT/INTR LT PANEL: INST CONTROL ROTATED TO BRT) TM 1–1520–238–T–5 FLIGHT INSTRUMENTS PILOT AMBER FUEL XFR INDICATOR IS NOT LIGHTED WITH TRANS SWITCH SET TO AFT AND AFT TANK FULL TM 1–1520–238–T–7 FUEL QUANTITY INDICATION/ TRANSFER PILOT AMBER FUEL XFR INDICATOR IS NOT LIGHTED WITH ENGINE 1 CROSSFEED VALVE CLOSED AND ENGINE 2 CROSSFEED VALVE AT AFT (ADB) TM 1–1520–238–T–7 FUEL QUANTITY INDICATION/ TRANSFER PILOT AMBER FUEL XFR INDICATOR ARE LIGHTED WITH PILOT TRANS SWITCH SET TO OFF TM 1–1520–238–T–7 FUEL QUANTITY INDICATION/ TRANSFER PILOT AMBER FUEL XFR INDICATORS ARE LIGHTED WITH ENGINE 1 AND ENGINE 2 CROSSFEED VALVES AT AFT (ADB) TM 1–1520–238–T–7 FUEL QUANTITY INDICATION/ TRANSFER PILOT AMBER XFEED INDICATOR IS NOT LIGHTED WITH ENGINE 1 CROSSFEED VALVE CLOSED AND ENGINE 2 CROSSFEED VALVE AT AFT (ADB) TM 1–1520–238–T–7 FUEL QUANTITY INDICATION/ TRANSFER PILOT AND CPG AMBER XFEED INDICATORS ARE LIGHTED WITH ENGINE 1 AND ENGINE 2 CROSSFEED VALVES AT NORMAL (ADB) TM 1–1520–238–T–7 FUEL QUANTITY INDICATION/ TRANSFER PILOT AND CPG AMBER XFEED INDICATORS ARE LIGHTED WITH ENGINE 1 AND ENGINE 2 CROSSFEED VALVES AFT (ADB) TM 1–1520–238–T–7 FUEL QUANTITY INDICATION/ TRANSFER