TM 55-1520-240-T 1-1  FAILURE SYMPTOM LIST (Continued) 1-1 SYMPTOM TASK CHAPTER 7 (Continued) POWER STEERING/SWIVEL LOCK MODULE DOES NOT MAINTAIN PRESSURE WITH APU OFF 7-5.4 WHEEL BRAKES SYSTEM BRAKE PRESSURE BLEEDS DOWN WITHIN 8 HOURS WITH PARKING BRAKE ON 7-6.3 BRAKES WILL NOT RELEASE 7-6.3 ONE OR MORE WHEEL BRAKES WILL NOT RELEASE, WHEELS DO NOT TURN FREELY 7-6.3 PARK BRAKE ON CAUTION LIGHT DOES NOT COME ON 7-6.3 PARK BRAKE ON CAUTION LIGHT WILL NOT GO OUT 7-6.3 PARKING BRAKE HANDLE WILL NOT LOCK 7-6.3 RIGHT OR LEFT BRAKES DO NOT COME ON WHEN COPI- LOT'S BRAKE PEDALS ARE PRESSED 7-6.3 RIGHT OR LEFT BRAKES DO NOT COME ON WHEN PILOT'S BRAKE PEDALS ARE PRESSED 7-6.3 UNABLE TO APPLY BRAKES THREE TIMES ON BRAKE AC- CUMULATOR PRESSURE 7-6.3 ENGINE HYDRAULIC STARTING SYSTEM NO. 1 OR NO. 2 ENGINE DOES NOT MOTOR (HYDRAULIC SYSTEM) 7-7.3 NO. 1 OR NO. 2 ENGINE KEEPS MOTORING WHEN ENGINE START SWITCH SET TO OFF 7-7.3 APU HYDRAULIC STARTING SYSTEM APU DOES NOT MOTOR 7-8.3 APU MOTORS BUT DOES NOT START, ESU BITE INDICATES                    OR                    THEN                    (HYDRAULIC FAULT) 7-8.3 APU START ACCUMULATOR GAGE DOES NOT INDICATE AT LEAST 3000 PSI 7-8.3 INTEGRATED LOWER CONTROL ACTUATOR INTEGRATED LOWER CONTROL ACTUATOR (ILCA) FAILS TEST 1 OR TEST 2 (EXTENSIBLE LINK TRANSDUCER NULL VOLTAGE TEST (SPARE) ) 7-9.2 INTEGRATED LOWER CONTROL ACTUATOR (ILCA) FAILS TEST 3 (CROSS EXTENSIBLE LINK TRANSDUCER NULL VOLTAGE TEST (SPARE) ) 7-9.2 INTEGRATED LOWER CONTROL ACTUATOR (ILCA) FAILS TEST 4, 5, 7, 11, 13 7-9.2 INTEGRATED LOWER CONTROL ACTUATOR (ILCA) FAILS TEST 6 (EXTENSIBLE LINK AUTHORITY TEST (SPARE) ) 7-9.2 SYMPTOM TASK INTEGRATED LOWER CONTROL ACTUATOR (ILCA) FAILS TEST 8 (STABILITY TEST (SPARE) ) 7-9.2 INTEGRATED LOWER CONTROL ACTUATOR (ILCA) FAILS TEST 9 (EXTENSIBLE LINK CENTERING SPRINGS TEST (SPARE) ) 7-9.2 INTEGRATED LOWER CONTROL ACTUATOR (ILCA) FAILS TEST 10 (PROOF PRESSURE TEST (ALL) ) 7-9.2 INTEGRATED LOWER CONTROL ACTUATOR (ILCA) FAILS TEST 12 (VALVE JAM INDICATOR TEST (ALL) ) 7-9.2 INTEGRATED LOWER CONTROL ACTUATOR (ILCA) FAILS TEST 14 (RELIEF VALVE TEST (ALL) ) 7-9.2 INTEGRATED LOWER CONTROL ACTUATOR (ILCA) FAILS TEST 15 OR TEST 16 7-9.2 HYDRAULIC HANDPUMP HYDRAULIC HANDPUMP FAILS FLUID DISPLACEMENT TEST 7-10.5 HYDRAULIC HANDPUMP FAILS HANDLE FORCE TEST 7-10.4 HYDRAULIC HANDPUMP FAILS INTEGRITY PRESSURE TEST OR INTERNAL LEAKAGE TEST 7-10.2 HYDRAULIC HANDPUMP FAILS PRESSURE ADJUSTMENT TEST 7-10.3 CHAPTER 8 PITOT STATIC SYSTEM AIMS ALT CIRCUIT BREAKER WILL NOT STAY CLOSED 8-1.4 NO HEAT FELT ON LEFT OR RIGHT PITOT TUBE, PITOT SWITCH AT ON 8-1.4 NO HEAT FELT ON LOWER RIGHT OR LOWER LEFT SIDE- SLIP PORTS 8-1.4 NO HEAT FELT ON UPPER RIGHT OR UPPER LEFT SIDESLIP PORTS 8-1.4 NO. 1 OR NO. 2 PITOT SYSTEM LEAKS 8-1.4 NO. 1 OR NO. 2 SIDESLIP SYSTEM LEAKS 8-1.4 PILOT'S OR COPILOT'S ALTIMETER VIBRATOR DOES NOT OPERATE 8-1.4 PITOT HEAT CIRCUIT BREAKER WILL NOT STAY CLOSED 8-1.4 PITOT STATIC SYSTEM LEAKS 8-1.4 YAW PORT HEAT CIRCUIT BREAKER WILL NOT STAY CLOSED 8-1.4 GAS PRODUCER TACHOMETER SYSTEM SYMPTOM TASK NO. 1 GAS PRODUCER TACHOMETER READS 0 PERCENT RPM WHEN NO. 1 ENGINE IS MOTORED 8-2.3 NO. 2 GAS PRODUCER TACHOMETER READS 0 PERCENT RPM WHEN NO. 2 ENGINE IS MOTORED 8-2.3 ENGINE OIL PRESSURE INDICATING SYSTEM ENGINE OIL PRESS CIRCUIT BREAKER DOES NOT STAY CLOSED 8-3.3 ENGINE OIL PRESSURE INDICATOR DOES NOT INDICATE 0 8-3.3 NO. 1 ENGINE OIL PRESS INDICATOR DOES NOT INDICATE 20 PSI MINIMUM OR POINTER FLUCTUATES MORE THAN 5 PSI 8-3.3 NO. 2 ENGINE OIL PRESS INDICATOR DOES NOT INDICATE 20 PSI MINIMUM OR POINTER FLUCTUATES MORE THAN 5 PSI 8-3.3 ENGINE OIL TEMPERATURE INDICATING SYSTEM ENGINE OIL TEMP CIRCUIT BREAKER DOES NOT STAY CLOSED 8-4.3 NO. 1 ENGINE OIL TEMPERATURE INDICATOR INDICATION IS NOT WITHIN 10C OF FAT INDICATOR 8-4.3 NO. 2 ENGINE OIL TEMPERATURE INDICATOR INDICATION IS NOT WITHIN 10C OF FAT INDICATOR 8-4.3 PTIT AND EMERGENCY POWER INDICATING SYSTEM NO. 1 ENGINE EMERGENCY POWER TIMER DOES NOT OP- ERATE WHEN NO. ENGINE PTIT INDICATION IS 890C TO 910C (WITHOUT 74 ) 8-5.3 NO. 1 ENGINE PTIT INDICATOR DOES NOT INDICATE IN GREEN BAND (WITHOUT 74 ) 8-5.3 NO. 1 OR NO. 2 ENGINE EMERGENCY POWER FLAG INDI- CATOR REMAINS BLACK WHEN NO. 1 OR NO. 2 ENGINE PTIT INDICATION IS 890C TO 910C (WITHOUT 74 ) 8-5.3 NO. 1 OR NO. 2 ENGINE EMERGENCY POWER FLAG INDI- CATOR WILL NOT RESET TO BLACK, FLAG RESET SWITCH AT RESET (WITHOUT 74 ) 8-5.3 NO. 1 OR NO. 2 ENGINE EMERGENCY POWER LIGHTS WILL NOT COME ON WHEN PRESSED TO TEST (WITHOUT 74 ) 8-5.3 NO. 2 ENGINE EMERGENCY POWER TIMER DOES NOT OP- ERATE WHEN NO. 2 ENGINE PTIT INDICATION IS 890C TO 910C (WITHOUT 74 ) 8-5.3 NO. 2 ENGINE PTIT INDICATOR DOES NOT INDICATE IN GREEN BAND (WITHOUT 74 ) 8-5.3 PILOT'S AND COPILOT'S EMERGENCY POWER LIGHTS DO NOT COME ON WHEN NO. 1 OR NO 2 ENGINE PTIT INDICA- TION IS 890C TO 910C (WITHOUT 74 ) 8-5.3 GO TO NEXT PAGE Change 17  1-7