N979QS

Part: A/C PACK — BINDING (COCKPIT) · airframe 11,382 hrs · 7,032 cycles

ON CLIMBING THROUGH FL 320 A SUDDEN ELECTRICAL BURNING ODOR WAS NOTICED AFTER OPENING TRASH CAN. IT APPEARED TO BE COMING FROM THE LOWER CENTER OF THE PASSENGER GALLEY. SHORTLY AFTER, NOTICED THE COCKPIT PACK HAD RAN FULL HOT AND COULD NOT BE CONTROLLED EITHER MANUALLY OR AUTOMATICALLY. THE PACK WAS ISOLATED IAW THE CHECKLIST AND WE DIVERTED WITHOUT FURTHER INCIDENT. INSPECTED GALLEY AREA FOUND, NO EVIDENCE OF BURNING. FOUND COCKPIT ACM TO BE BINDING. R & R ACM IAW MM 21-51-00. R & R COALESCER CLOTH IAW MM 12-10-01. INSTALLED ACM EXHAUST SYS LEAK & OP'S CHECKED GOOD IAW MM 21-51-00.

Part: CONTROLLER — INOPERATIVE (WINDSHIELD) · airframe 10,459 hrs · 6,465 cycles

ON TAXI OUT, AMBER WINDSHIELD HEAT INOPERATIVE LEFT CAS MESSAGE ILLUMINATED. A STRONG ELECTRICAL ODOR WAS APPARENT. RESET THE SYS AND THE MESSAGE REPEATED. FOUND LT WINDSHIELD TEMP CONTROL BOX TO HAVE BURNED ELECTRONICS ODOR. PERFORMED RESISTANCE CHECKS OF LT AND RT WINDSHIELD WIRING. ALL VALUES WITHIN SPECIFICATIONS. R & R LT WINDSHIELD TEMP CONTROLLER WITH A TESTED UNIT, IAW MM 30-41-00. ACCOMPLISHED WINDSHIELD ANTI-ICE OPS CHECK WITH ENGINES OPERATING. NO DISCREPANCIES FOUND.

Part: CONTROL UNIT — MALFUNCTIONED (CABIN TEMP) · airframe 10,178 hrs · 6,271 cycles

COCKPIT SUPPLY SIDE TEMP RAN UP TO 290° AND WAS UNCONTROLLABLE TO LOWER TEMP. RT-SIDE GASPERS PUT OUT HOT AIR ON AFT. BURNING SMELL AND HAZEY SMOKE ARE IN ACFT.

Part: ACM — SMOKE · airframe 10,178 hrs · 6,271 cycles

COCKPIT PAC FAILED. DEFERRED IAW MEL 21-1, C. GAINED ACCESS TO COCKPIT ICU REMOVED ACM REF MM 21-51-00 (REV 40). COMPLIED WITH PRE-LUBERACTION PROCEDURES. SERVICED WITH 48 CC OF JET 2. INSTALLED ACM REF MM, CH 21-51-00 (REV 40) CLOSED ACCESS 8-21-10. OPS CHECKED GOOD, LEAK CHECKED GOOD.

Part: ACM — SEIZED · airframe 9,840 hrs · 6,057 cycles

FOUND CABIN ACM SEIZED. REMOVED CABIN ACM AND INSTALLLED A REPAIRED ACM. REMOVED COALESCER BAGS AND INSTALLED NEW COALESCER BAGS. CLEANED DUCTS AROUND WATER SEPARATOR AND ACM. ALL WORK DONE IAW MM 21-51-00.

Part: WINDOW — FAILED (COCKPIT) · airframe 9,368 hrs · 5,789 cycles

PILOTS LEFT SIDE WINDOW SHATTERED DURING CLIMB THRU FL340. R & R PILOTS LT WINDOW IAW MM 56-12-00 OP & LEAK CHECKED SATISFACTORY.

Part: STRUT — DISCHARGED (NLG) · airframe 9,265 hrs · 5,725 cycles

AFTER TAKEOFF, GEAR WAS SELECTED UP AND RED IN-TRANSIT LIGHT STAYED ON. GEAR WAS PUT BACK DOWN WITH 3 GREEN INDICATIONS. GEAR SELECTED BACK UP AND IT FUNCTIONED NORMALLY. SERVICED NOSE STRUT PER MM 12-10-38. PERFORMED SEVERAL GEAR SWINGS. OPS CHECKS GOOD.

Part: CONTROLLER — INOPERATIVE (WINDSHIELD HEAT)

IN FLIGHT LT WINDSHIELD HEAT INOP CAS CAME ON FOLLOWED BY A STRONG ACRID HOT ELECTRICAL ODOR. LT WINDSHIELD HEAT SWITCH WAS SELECTED OFF AND ODOR DISAPATED. REMOVED & REPLACED LT WINDSHIELD ANTI-ICE CONTROLLER AND C/W FULL SYSTEM OPS TEST. ALL CK'S GOOD IAW MM 30-41-00

Part: HOSE — LEAKING (HYD SYSTEM)

DURING TAKEOFF WHEN NOSE GEAR RETRACTED AN AUDIBLE BANG FOLLOWED BY LOSS OF ALL A SYS HYD QUANTITY. REMOVED AND REPLACED NOSE WHEEL CENTERING HYDRAULIC HOSE ASSY PER MM 20-10-05. PERFORMED SYSTEM BLEED AND HYD. PTU OPS CHECK PER MM 29-20-04.

Part: DRIVE UNIT — INOPERATIVE (TE FLAPS) · airframe 8,186 hrs · 5,068 cycles

FLAP FAIL ANNUCIATION IN FLIGHT AT 3000 FT AND 220 KNOTS, WILL NOT RESET. REPLACED PDU WITH NEW PER THE 750 MM. CH. 27-52-00. ALL RIG AND OPERATIONAL CHECKS GOOD.

Part: ACTUATOR — OUT OF ADJUST (TE FLAPS) · airframe 7,978 hrs · 4,940 cycles

FLAPS FAIL AMBER CAS MESSAGE AFTER T/O. UNABLE TO RESET, FLAPS REMAINED STUCK AT 15 DEGREES. TROUBLESHOT DISCREPANCY TO A BINDING LT IB FLAP PANEL. ADJUSTED NR 5 ACTUATOR AND PROVIDED CLEARANCE. O/S CHECK GOOD. WORK PERFORMED IAW CHAPTER 27-50-00 OF THE MM.

Part: CONTROL HANDLE — INTERMITTENT (MLG) · airframe 7,792 hrs · 4,836 cycles

LANDING GEAR HANDLE WOULD NOT MOVE AFTER TAKEOFF TO RETRACT GEAR. JACKED A/C, HOOKED UP HYD. SERVICE CART, CYCLED LANDING GEAR FOUND GEAR HANDLE OPERATION INTERMITTENT, REMOVED + REPLACED GEAR HANDLE MODULE, OPERATED GEAR HANDLE SEVERAL TIMES OPS CHECK GOOD. WORK DONE IAW 750 M/M CH 32-30-01, 52-80-20

Part: UNKNOWN — UNKNOWN (NLG) · airframe 7,407 hrs · 4,592 cycles

A MODERATE THUMP (THAT SOUNDS AND FEELS LIKE IT IS COMING FROM THE NOSE WHEEL AREA) EXPERIENCED DURING CLIMB AND IN CRUISE- CO PILOT'S FEET ON FLOOR. REMOVED & REPLACED NLG UPLOCK SWITCH IAW CESSNA 750 M/M CHPT 32-30-05.

Part: ACTUATOR — FAILED (VERTICAL STAB) · airframe 7,331 hrs · 4,551 cycles

ON DESCENT TO THE AIRPORT WE GOT A RUD LIMITER B FAIL CAS MESSAGE SHOWING AT 30%. T/S TO BAD ACTUATOR. REMOVED 7 REPLACED RUDDER LIMIT "B" ACTUATOR. SYSTEM OPS CHECKS SATISFACTORY AT THIS TIME. PERFORMED RIG CHECKS. ALL WORK DONE IAW CE750 M/M 27-20-00

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 6,019 hrs · 3,746 cycles

DURING TAKEOFF ROLL AT APPROXIMATLEY 50 KNOTS, RECEIVED AMBER CAS MESSAGE HP DUCT OVERPRESSURE. TAKEOFF WAS ABORTED. CAS MESSAGE WENT AWAY WHEN POWER WAS REDUCED ON ABORT. RAN ENGS TO MAX POWER N2 OF THE DAY (86 PERCENT) FOR 10 MIN W/ NO DEFECTS. PULLED POWER BACK TO -TO/MC- AND ALLOWED ENG TO RUN FOR 10 MIN W/ NO DEFECTS. PULLED POWER BACK TO CLIMB AND ALLOWED ENG TO RUN FOR 20 MIN W/ NO DEFECTS. PULLED POWER BACK TO CRUISE AND ALLOWED ENG TO RUN FOR 15 MIN W/ NO DEFECTS NOTED AT THIS TIME. ALL WORK PERFORMED IAW CITATION 750 MM CH 36-11-00 AND 71-00-04.

Part: COALESCER BAG — CONTAMINATED · airframe 5,780 hrs · 3,597 cycles

APPROX 2 MINUTES AFTER THE APU WAS STARTED ON THE GROUND, THE COCKPIT AND CABIN BEGAN FILLING WITH ENVIROMENTAL TYPE SMOKE THE COCKPIT PAC WAS IN THE OFF POSTION AS REQUIRED BY THE MEL. THE CABIN PAC WAS ON AND THE ISOLATION VALVE WAS OPEN. THE COCKPIT SUPPLY TEMP WAS NOTICED TO BE 187 AND CLIMBING RAPIDLY THE PAC AND APU ANS ENTIRE AIRCRAFT WERE ALL QUICKLY SHUT DOWN. REMOVED WATER SEPARATOR COALESCER CLOTH AND CLEANED. REINSTALLED RAN APU AND OPS CHECKED. NORMAL OPS WORK IAW CESSNA 750 M/M CHPT 49-10-00.

Part: RESOLVER — FAULTY (TE FLAPS) · airframe 5,378 hrs · 3,347 cycles

FLAPS FAIL CAS MESSAGE APPEARED DURING FLAP EXTENSION, FLAPS REMAIN AT 0. SLATS EXTENDED PER CHECKLIST PUSHED FLAPS RESET BUTTON, DID NOT CLEAR CAS MESSAGE. HOOKED UP FLAP BRACKET BOX TO AIRCRAFT. MECHANICALLY RIGGED FLAPS. DURING ATTEMPT AT ELECTRICAL RIGGING OF FLAPS, FOUND DEAD SPOT IN RIGHT RESOLVER UNABLE TO CORRECTLY ADJUST RESOLVER TO READ CORRECT VOLTAGE. REMOVED RT RESOLVER. INSTALLED NEW RESOLVER AND MOUNT PLATE ON RT SIDE. VERIFIED MECHANICAL AND ELECTRICAL RIG AND OPS CHECKS SATISFACTORY. REF 750 MM CH 27-50-00. CLOSED ACCESS PANELS.

Part: DOWNLOCK SWITCH — FAILED (MLG) · airframe 5,350 hrs · 3,330 cycles

IN CRUISE FLIGHT NOSE GEAR DOWN AND LOCKED LIGHT ILLUMINATED AND REMAINED ILLUMINATED. DID NOT HEAR OR FEEL EVIDENCE THAT NOSE ACTUALLY CAME DOWN. EMERGENCY PNEUMATIC BLOW DOWN PROCEDURE WAS USED AS A PRECAUTION FOR LANDING. REMOVED AND REPLACED NOSE GEAR DOWNLOCK SWITCH IAW CE750 M/M CHAPTER 32-30-05, SYSTEM OPS CHECK GOOD.

Part: WARNING LIGHT — ILLUMINATED (TE FLAPS) · airframe 5,261 hrs · 3,276 cycles

FLAPS FAIL AMBER CAS MESSAGE ILLUMINATED ON APPROACH TO LANDING WHEN HANDLE EXTENDED. FLAPS REMAINED FULLY UP WITH SLATS EXTENDED. ITEM IS UNDER INVESTIGATION.

Part: WATER SEPARATOR — ODOR (COCKPIT) · airframe 5,229 hrs · 3,257 cycles

THERE IS A STRONG OILY SMELL IN THE COCKPIT ONCE THE APU IS RUNNING AND THE BLEED AIR IS SELECTED ON. FOUND BOTH WATER SEPARATOR FILTER SOCKS DIRTY. CLEANED FILTER AND FOUND COCKPIT WATER SEPARATOR VALVE STUCK OPEN. CLEANED AND LUBED VALVE. RE-INSTALLED WATER SEPARATOR TO INSTALL ORIGINAL CONFIG. PERFORMED ENGINE RUN, OPS CHECKS GOOD IAW CE-750 MM 21-10-00.

Part: UPLOCK — MALADJUSTMENT (LANDING GEAR) · airframe 4,932 hrs · 3,084 cycles

IN CRUISE FLT, NOSE GEAR WENT INTO A SERIES OF UNLOCKS (WITH RED LIGHT) AND RETRACTS. FOUND NOSE STRUT EXTENSION EXCEEDED 9.63 INCHES CAUSING NOSE GEAR NOT TO FULLY SEAT IN UPLOCK ASSY. DISASSEMBLED NOSE STRUT AND FOUND ORIFICE FITTING NOT TORQUED. REPACKED NOSE STRUT IAW 750 CMM 32-20-02. SERVICED NOSE STRUT IAW 750 MM 12-10-38. CYCLED GEAR SEVERAL TIMES. OPS CHECK GOOD.

Part: BRAKE — LOOSE (MLG)

SPECIAL BOLTS BETWEEN STRIKER AND PISTON HOUSING WERE LOOSE AND WERE BACKED OFF APPROX 114 INCH. BRAKE TORQUE BUTTON HAS WORN A GROOVE AROUND THE INNER CIRCUMFERENCE AT THE WHEEL.