TM 55-1520-240-T 1-1  FAILURE SYMPTOM LIST (Continued) 1-1 SYMPTOM TASK CHAPTER 4 (Continued) NO. 1 ENG CONT CAPSULE DOES NOT COME ON 4-5.3 NO. 1 ENGINE OR NO. 2 ENGINE FUEL CONTROL POINTER DOES NOT MAKE CONTACT WITH STOP OR BROWN BAND IS NOT PARTIALLY COVERED 4-5.3 NO. 1 ENG OR NO. 2 ENG N1 CONT CAPSULE IS LIT 4-5.3 NO. 2 ENGINE FUEL CONTROL POINTER NOT AT GROUND BAND. 4-5.3 NO. 2 ENG N1 CONT CAPSULE DOES NOT COME ON 4-5.3 POWER TURBINE CONTROL SYSTEM (N2) (WITHOUT 74 ) ENGINE NO. 1 TRIM & TIMER CIRCUIT BREAKER WILL NOT STAY CLOSED 4-6.3 ENGINE NO. 1 TRIM CIRCUIT BREAKER WILL NOT STAY CLOSED 4-6.3 ENGINE NO. 2 TRIM & TIMER CIRCUIT BREAKER WILL NOT STAY CLOSED 4-6.3 ENGINE NO. 2 TRIM CIRCUIT BREAKER WILL NOT STAY CLOSED 4-6.3 NO. 1 EMERG ENG TRIM CIRCUIT BREAKER WILL NOT STAY CLOSED 4-6.3 NO. 1 ENGINE FUEL CONTROL POINTER DOES NOT MOVE OR MOVES BUT STOPS OUTSIDE OF 13 TO 21 ON PRO- TRACTOR (DECREASE SELECTED) 4-6.3 NO. 1 ENGINE FUEL CONTROL POINTER DOES NOT MOVE WHEN COPILOT'S NO. 1 ENGINE BEEP TRIM SWITCH SET TO RPM DECREASE 4-6.3 NO. 1 ENGINE FUEL CONTROL POINTER DOES NOT MOVE WHEN COPILOT'S NO. 1 ENGINE BEEP TRIM SWITCH SET TO RPM INCREASE 4-6.3 NO. 1 ENGINE FUEL CONTROL POINTER DOES NOT MOVE WHEN EMERGENCY ENGINE TRIM 1 SWITCH SET TO DEC 4-6.3 NO. 1 ENGINE FUEL CONTROL POINTER DOES NOT MOVE WHEN EMERGENCY ENGINE TRIM 1 SWITCH SET TO INC 4-6.3 NO. 1 ENGINE FUEL CONTROL POINTER NOT BETWEEN 13 AND 21 ON PROTRACTOR AT BEGINNING OF OPERA- TIONAL CHECK 4-6.3 NO. 1 ENGINE POWER TURBINE LEVER DOES NOT MOVE OR MOVES BUT DOES NOT CONTACT STOP 4-6.3 NO. 2 EMERG ENGINE TRIM CIRCUIT BREAKER WILL NOT STAY CLOSED 4-6.3 SYMPTOM TASK NO. 2 ENGINE FUEL CONTROL POINTER DOES NOT MOVE OR MOVES BUT STOPS OUTSIDE OF 130 TO 210 ON PRO- TRACTOR (DECREASE SELECTED) 4-6.3 NO. 2 ENGINE FUEL CONTROL POINTER DOES NOT MOVE WHEN COPILOT'S NO. 1 AND 2 ENGINE BEEP TRIM SWITCH SET TO RPM DECREASE 4-6.3 NO. 2 ENGINE FUEL CONTROL POINTER DOES NOT MOVE WHEN COPILOT'S NO. 1 AND 2 ENGINE BEEP TRIM SWITCH SET TO RPM INCREASE 4-6.3 NO. 2 ENGINE FUEL CONTROL POINTER DOES NOT MOVE WHEN EMERGENCY ENGINE TRIM 2 SWITCH SET TO DEC 4-6.3 NO. 2 ENGINE FUEL CONTROL POINTER DOES NOT MOVE WHEN EMERGENCY ENGINE TRIM 2 SWITCH SET TO INC 4-6.3 NO. 2 ENGINE FUEL CONTROL POINTER NOT BETWEEN 13 AND 21 ON PROTRACTOR AT BEGINNING OF OPERA- TIONAL CHECK 4-6.3 NO. 2 ENGINE POWER TURBINE LEVER DOES NOT MOVE OR MOVES BUT DOES NOT CONTACT STOP (INCREASE SELECTED) 4-6.3 ENGINE ACCESSORY GEARBOX CHIP DETECTORS (WITH OUT 74 ) ENG CHIP DET CAPSULE DOES NOT COME ON AND EN- GINE CHIP DETECTOR INDICATOR DOES NOT CHANGE DIS- PLAY WHEN DETECTOR SHORTED 4-7.3 NO. 1 AND NO. 2 ENGINE CHIP DETECTOR INDICATOR DIS- PLAY IS ALL BLACK WHEN GND SWITCH SET TO TEST 4-7.3 NO. 1 ENG CHIP DET CAPSULE DOES NOT COME ON WHEN GND SWITCH SET TO TEST 4-7.3 NO. 1 OR NO. 2 ENGINE CHIP DETECTOR INDICATOR DISPLAYS BLACK-AND-WHITE FAN, ENG CHIP DET CAPSULE OUT 4-7.3 NO. 1 OR NO. 2 ENG CHIP DET CAPSULE IS LIT 4-7.3 NO. 2 ENG CHIP DET CAPSULE DOES NOT COME ON WHEN GND SWITCH SET TO TEST 4-7.3 ENGINE PERFORMANCE CHECK (WITH 74 ) ENGINE FAIL WARNING NOT SHOWN (12 SECONDS ON) DURING ENGINE SHUTDOWN OR WHEN ENG PRI REV SWITCH SET TO PRI 4-8.1 ENG FAIL WARNING STAYS ON 4-8.1 FADEC REV MODE INOPERATIVE 4-8.1 DECU CODE F AFTER POWER ASSURANCE TEST 4-8.1 FADEC TOGGLES BETWEEN PRIMARY AND REVERSIONARY MODE 4-8.1 SYMPTOM TASK TORQUES NOT MATCHED WITH LOAD SHARE SWITCH AT TRQ 4-8.1 ENGINE OVERSPEED TEST FAILS 4-8.1 PTIT'S NOT MATCHED WITH LOAD SHARE SWITCH SET TO PTIT 4-8.1 ENGINE LOW OIL WARNING SYSTEM (WITH 74 ) ENG 1 OIL LVL LOW LIGHTS DO NOT COME ON 4-9.3 ENG 2 OIL LVL LOW LIGHTS DO NOT COME ON 4-9.3 ENGINE START AND IGNITION SYSTEM (WITH 74 ) FADEC NO. 1 START & IGN CIRCUIT BREAKER DOES NOT STAY CLOSED 4-10.4 FADEC NO. 2 START & IGN CIRCUIT BREAKER DOES NOT STAY CLOSED 4-10.4 NO. 1 ENGINE DOES NOT MOTOR OR N1 GAUGE DOES NOT REACH 10% 4-10.4 NO. 1 ENGINE MOTORS NORMALLY BUT DOES NOT START 4-10.4 NO. 1 ENGINE DOES NOT START (FUEL SYSTEM FAILURE) 4-10.4 NO. 1 ENGINE DOES NOT START (IGNITION SYSTEM FAILURE) 4-10.4 NO. 2 ENGINE DOES NOT MOTOR OR N1 GAUGE DOES NOT REACH 10% 4-10.4 NO. 2 ENGINE MOTORS NORMALLY BUT DOES NOT START 4-10.4 NO. 2 ENGINE DOES NOT START (FUEL SYSTEM FAILURE) 4-10.4 NO. 2 ENGINE DOES NOT START (IGNITION SYSTEM FAILURE) 4-10.4 GAS PRODUCER CONTROL SYSTEM (N1) (WITH 74 ) DECU CODE IS A5 AND/OR B6 4-11.3 FULL AUTHORITY DIGITAL ENGINE CONTROL (FADEC) (WITH 74 ) ENGINE NO. 1 OR NO. 2 PRI CONT CIRCUIT BREAKER WILL NOT STAY CLOSED 4-12.4 ENGINE NO. 1 OR NO. 2 REV CONT CIRCUIT BREAKER WILL NOT STAY CLOSED 4-12.4 FADEC 1 OR FADEC 2 CAPSULE ON MASTER CAUTION PANEL ILLUMINATES (ENGINE RUNNING IN PRI MODE) 4-12.4 DECU CODE A1 4-12.4 DECU CODE A2 4-12.4 DECU CODE A3 AND/OR B5 4-12.4 GO TO NEXT PAGE 1-4  Change 17