N5115

Part: YOKE — INCORRECT (FLIGHT CONTROL S)

CONTROL YOKES SHOW 25 DEGREE RT BANK DURING STRAIGHT AND LEVEL. RT AILERON IS UP AND LT ELEVATOR IS UP. PITCH CONTROL FORCE FEELS NORMAL. AMOUNT OF ELEVATOR/AILERON DISPLACEMENT INCREASES WITH SPEED. TROUBLESHOOTING FLIGHT CONTROL SYSTEMS IN PROGRESS. AIRCRAFT HAS NOT FLOWN.

Part: CONTROL CABLE — OUT OF RIG (FLT CONTROLS)

CONTROL YOKES SHOW 25 DEGREE RIGHT BANK DURING STRAIGHT AND LEVEL. RIGHT AILERON IS UP ND LEFT ELEVATOR IS UP. PITCH CONTROL FORCE FEELS NORMAL. AMOUNT OF ELEVATOR/AILERON DISPLACEMENT INCREASES WITH SPEED. VERIFIED THAT AIRCRAFT FLIGHT CONTROL SURFACES NEED MINOR RIGGING ADJUSTMENTS AFTER INSTALLING SURFACE CONTROL TRAVEL TOOLS. ADJUSTED RIGHT ELEVATOR NEUTRAL POSITION. ADJUSTED RIGHT AILERON NEUTRAL POSITION. ADJUSTED RUDDER NEUTRAL POSITION. CHECKED AILERON, ELEVATOR AND RUDDER CABLE TENSIONS. ALL FLIGHT CONTROL SURFACES ADJUSTED IAW THE CE-750 MM 27-30-00. COMPLIED WITH AACI OPS FLIGHT CHECK. WITH AIRCRAFT IN STRAIGHT AND LEVEL FLIGHT, CONTROL YOKES ARE LEVEL AND TRIM POSITION INDICATIONS ARE NEU

Part: CONTROL UNIT — INOPERATIVE (LT ELEVATOR SYS)

PITCH CONTROL PRESSURE IS EXCESSIVELY HIGH. THE LEFT ELEVATOR (A) SYSTEM PITCH CONTROL UNIT SHUTOFF SOLINOID HAD AN INTERNAL SHORT TO GROUND WHICH CAUSED HYDRAULIC PRESSURE TO BE SHUT OFF TO THE (A) SYSTEM PCU. THE HYDRAULIC DEACTIVATION OF THE (A) PCU, BY DESIGN, CAUSED THE SYSTEMS SINGLE HYDRAULIC SHUTOFF VALVE TO ALSO CUTOFF HYDRAULIC PRESSURE TO THE (B) SYSTEM PCU. REPLACED THE LT ELEVATOR (A) SYSTEM PITCH CONTROL UNIT. LT ELEVATOR OPERATION NOW NORMAL.

Part: PUMP — FAILED (LEFT ENGINE)

'FUEL BOOST ON' AMBER CAS MESSAGE CAME ON IMMEDIATELY AFTER LANDING. LEFT ENGINE FUEL BOOST PUMP FAILURE. REMOVED FAULTY PUMP AND INSTALLED NEW SERVICEABLE UNIT. PERFORMED RUN-UP LEAK CHECK PER CESSNA MM. AIRCRAFT RETURNED TO SERVICE. (M)

Part: COMPUTER — FAILED (NR 1)

DURING FLIGHT, Y/D FAILED, AUTOPILOT DISENGAGED, AND FGC 'A' AND FGC 'B' FAILED. AIRCRAFT CONTINUED ON TO DESTINATION AS SCHEDULED. NR 1 IAC (INTEGRATED AVIONICS COMPUTER) FAILED. REPLACED THE NR 1 IAC AND OPERATION WAS NORMAL. (M)

Part: TIRE — DEFLATED (MLG)

DEPARTING DENVER THE NO TAKEOFF WARNING ANNUNCIATED AND THE TAKEOFF WAS ABORTED. THE RIGHT LANDING GEAR WHEELS, BOTH INBOARD AND OUTBOARD, DEFLATED AFTER TAXI IN DUE OT HEAT BUILD UP CAUSED BY HEAVY BRAKING. MAINTENANCE CREW DISPATCHED FROM AACI MAIN BASE AT KDTW TO INVESTIGATE THE PROBLEM. NO FURTHER INFORMATION IS AVAILABLE AT THIS TIME AND A SUPPLEMENTAL REPORT WILL BE FOLLOWING UPON COMPLETION OF REQUIRED MAINTENANCE. (M)

Part: REGULATOR VALVE — MALFUNCTIONED (TAIL BAY)

ON APPLICATION OF TAKEOFF POWER, AMBER EICAS MESSAGE 'HP DUCT 'O' PRESS R' CAME ON. ABORTED TAKEOFF. RIGHT HIGH PRESSURE REGULATING VALVE FAILED TO REGULATE PROPER BLEED AIR PRESSURE. REPLACED RIGHT HP BLEED AIR REGULATOR VALVE. OPERATION NORMAL. (M)

Part: WARNING LIGHT — ILLUMINATED (PAX DOOR)

CABIN DOOR OPEN AMBER LIGHT FLASHED ON AND OFF WHILE TAXIING IN AT DTW. CLEANED AND LUBRICATED DOOR BAYONETS, CLOSING LATCH AND HANDLE RELEASE MECHANISM. OPERATIONAL CHECK IS NORMAL. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: START VALVE — STUCK (RT ENGINE)

RT ENGINE START VALVE OPEN LIGHT REMAINED ILLUMINATED AFTER ENGINE START. START REGULATOR VALVE FOR RT ENGINE, FAILED. REPLACED AND OPERATIONALLY CHECKED RIGHT ENGINE START REGULATOR VALVE PER MFG MM.

Part: SEAL — DAMAGED (ACTUATOR)

HORIZONTAL STABILIZER TRIM ACTUATOR TEFLON SEAL ON JACKSCREW DAMAGED AND PROTRUDING. FOUND DURING SCHEDULED LUBRICATION CALL OUT. REPLACED WITH SERVICEABLE UNIT.(K)

Part: POWER UNIT — FAILED (T/E FLAP)

PROBLEM ENCOUNTERED: FLAPS FAILED. FLAP SYSTEM COMPONENT FAILURE. REPLACED FLAP POWER DRIVE UNIT, OPS CHECKED NORMAL.

Part: CONTROL HANDLE — FAILED (COCKPIT)

THE AIRCRAFT DEPARTED ON THE MORNING OF 7-27-00. AT THIS TIME, THE CREW WAS UNABLE TO RETRACT THE LANDING GEAR AS THE HANDLE WOULD NOT MOVE FROM THE DOWN POSITION. THE LANDING GEAR CONTROL ASSY, PN 9914551-3, FAILED. TROUBLESHOOTING INCLUDED ON OPEN SAFETY LATCH SOLENOID AND A REPLACEMENT HAS BEEN REQUESTED. (X)