N5116

Part: SMOKE DETECTOR — DIRTY (BAGGAGE COMPT)

BAGGAGE SMOKE LIGHT(EICAS) CAME ON. NO SMOKE OR FUMES DETECTED ON INSPECTION AFT LANDING. BAGGAGE SMOKE DETECTER FOUND TO BE VERY DIRTY. INITATED A FLEET INSPECTION AND CLEANING OF DETECTERS. REMOVED SMOKE DETECTER AND CLEANED ALSO CLEANED COVER AND MOUNTING AREA. REINSTALLED AND PERFORMED FUNCTIONAL CHECK. SYSTEM CHECKED GOOD.

Part: SMOKE DETECTOR — DIRTY (CARGO BAY)

DURING DESCENT, BAGGAGE SMOKE LIGHT (EICAS) CAME ON. NO SMOKE OR FUMES DETECTED ON INSPECTION AFTER LANDING. BAGGAGE SMOKE DETECTOR FOUND TO BE VERY DIRTY. REMOVED SMOKE DETECTOR AND CLEANED COVER AND MOUNTING AREA. REINSTALLED AND PERFORMED FUNCTIONAL CHECK. SYSTEM CHECKED GOOD. INITIATED A FLEET INSPECTION AND CLEANING OF DETECTORS.

Part: ACTUATOR — INOPERATIVE (YAW DAMPER)

BLUE YAW DAMPER, FAIL LOWER 'B' CAS MESSAGE, AMBER YAW DAMPER OFF LOWER CAS MESSAGE AND PRI STAB TRIM FAIL AND MACH TRIM OFF CAS MESSAGE CAME ON DURING FLIGHT. CHANNEL 'B' YAW DAMP ACTUATOR FAILED TO OPERATE. REPLACED CHANNEL 'B' YAW DAMP ACTUATOR. OPERATIONAL CHECK NORMAL. (M)

Part: STARTER — FAILED (RT ENGINE)

RIGHT ENGINE REPORTED AS SMOKING BY TOWER AND OTHER AIRCRAFT DURING TAXI OUT. RIGHT ENGIEN STARTER FAILED TO DISENGAGE AFTER START. STARTER WAS REPLACED, SERVICED AND OPERATIONALLY CHECKED. RIGHT ENGINE STARTER CHECK GOOD PER CESSNA CITATION X MM AND THE AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: LIMITER — FAILED (RUDDER)

DURING PILOT'S PREFLIGHT, WITH APU RUNNING, THE 'RUDDER LIMIT FAIL' RED CAS MESSAGE ANNUNCIATED. ANOTHER AIRCRAT WAS UTILIZED FOR THE TRIP. THE RUDDER LIMITER FAILED TO ACTUATE DUE TO A FAULT IN THE ELECTRICAL COMPONENTS OF THE SYSTEM. AIRCRAFT WAS DE-POWERED AND RESET. NO FAULTS WERE NOTED WHEN POWERED UP A SECOND TIME. NO ACTIVE FAULTS WERE NOTED IN IMT. AIRCRAFT WAS RELEASED FOR SERVICE. (M)

Part: BEARING — SEIZED (PAX DOOR)

MAIN CABIN DOOR IS HARD TO OPEN FROM THE INSIDE. REPLACED AFT CABLE ASSEMBLY, SPRING PIVOT BEARINGS ANDLONG SHAFT. RIGGED THE DOOR PER CESSNA MM. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: ENGINE — OUT OF TOLERANCE (RIGHT)

RIGHT ENGINE OIL PRESSURE OUT OF LIMITS, HI/RED 106 PSI AT 80-90 KTS. ENGINE INTERNAL BEARING SEAL AIR LEAKAGE WHICH MAY OCCUR AS ENGINE APPROACHES ITS MIDLIFE INSPECTION. VISUALLY INSPECTED ENGINE OIL FILTER BYPASS BUTTON. PERFORMED TAKEOFF POWER RUN UP. FOUND OIL PRESSURE WITHIN LIMITS.

Part: PROXIMITY SWITCH — FAULTY (PAX DOOR)

PSP - MAIN CABIN DOOR WARNING LIGHT WOULD NOT EXTINGUISHED WHEN CLOSED. FAULTY DOOR HANDLE PROXIMITY SWITCH. PROBLEM WAS CORRECTED BY REPLACEMENT OF THE SWITCH. OPERATIONAL CHECK OF SYSTEM WAS GOOD IAW 750 MM CHAPTER 52-70-00. (M)

Part: POWER UNIT — FAILED (HYDRAULIC SYS)

VIBRATION FELT ON CABIN FLOOR AS WELL AS HUM. LT HYD (A) SYSTEM FLUCTUATED BETWEEN 2400-3300 PSI. WHEN GEAR WAS SELECTED DOWN LT HYD PRES WAS 2100 AND RT HAD AN OT (AMBER) LIGHT. UPON LANDING THEY GOT A (B) SYSTEM FAIL MESSAGE, BOTH SYSTEM PRESSURES WERE 1800 PSI. HYDRAULIC SYSTEM MALFUNCTION DUE TO FAILED HYDRAULIC POWER TRANSFER UNIT. FAILED UNIT CAUSE CONTAMINATION IN THE LEFT HYDRAULIC SYSTEM WHICH NECESSITATED THE REPLACEMENT OF THE LEFT HYDRAULIC PUMP, ALL (A) SYSTEM FILTERS AND FLUSHING AND BLEEDING OF THE HYDRAULIC SYSTEM. REPLACED THE HYDRAULIC SYSTEM PTU, LEFT ENGINE DRIVEN PUMP AND ALL (A) SYSTEM FILTERS. HYDRAULIC SYSTEM WAS FLUSHED AND BLED PER AIRCRAFT MAINTENANCE MANUAL.

Part: HYDRAULIC SYSTEM — MALFUNCTIONED (LEFT)

VIBRATION FELT ON CABIN FLOOR AS WELL AS HUM. LEFT HYDRAULIC (A) SYSTEM FLUCTUATED BETWEEN 2400-3300 PSI. WHEN GEAR WAS SELECTED DOWN LEFT HYDRAULIC PRESSURE WAS 2100 AND RIGHT HAD AN OT(AMBER) LIGHT. UPON LANDING THEY GOT A (B) SYSTEM FALL MESSAGE, BOTH SYSTEM PRESSURES WERE 1800 PSI. APPARENT CAUSE: HYDRAULIC SYSTEM MALFUNCTIONED. MAINTENANCE CORRECTION IN PROGRESS.

Part: O-RING — DAMAGED (HYDRAULIC SYS)

IND - PILOT WALKAROUND PRIOR TO DEPARTURE, TWO HYD PUDDLES UNDER TAIL OF A/C. 'A' HYD SYSTEM INDICATES 25 PERCENT. APPEARS TO BE COMING FROM ELEVATOR. REPLACED O-RING UNDER HYD FITTING (PRESSURE) ON RIGHT INBOARD PCU. (M)

Part: SQUAT SWITCH — OUT OF ADJ (NLG)

DTW - NOSE GEAR WOULD NOT RETRACT. ADJUSTED NOSE GEAR SQUAT SWITCH RAMP. (M)

Part: ALTERNATOR — FAILED (ENGINE)

CREW STATED RIGHT HAND WINDSHIELD HEAT INOPERATIVE. TROUBLESHOT TO FAULTY LEFT HAND ALTERNATOR. UPON ALTERNATOR REMOVAL, NOTICED THAT THE COOLING FAN BLADES ON THE ALTERNATOR WERE ALL BROKEN OFF.

Part: STRUT — MALFUNCTION (NLG)

THE AIRCRAFT DEPARTED DTW AND ON CLIMB-OUT, THE LANDING GEAR HANDLE WOULD NOT MOVE TO THE RETRACT POSITION. THE AIRCRAFT RETURNED TO DTW AND MAINTENANCE WAS UNABLE TO DUPLICATE. GALLING WAS DETECTED IN THE CHROME SECTION OF THE STRUT ASSY AND THE UNIT WAS SENT BACK TO WICHITA FOR EVALUATION.