N712QS

Part: DUCT — CRACKED (LAVATORY AIR) · airframe 5,112 hrs · 3,147 cycles

20 MINUTES INTO FLT DETECTED AN ODOR LIKE EXHAUST OR BLEED AIR 10 MINUTES LATER AT 41000. BAGGAGE SMOKE AMBER CAS MESSAGE ILLUMINATED MESSAGE REMAINED ON FOR REMAINDER OF 20 MINUTES DIVISION THE MESSAGE BRIEFLY WENT OUT ON TOUCHDOWN BUT CAME BACK ON. INSPECTED ACFT & FOUND DUCT TEMP LIMITER CRACKED ON ONE ATTACH LEG. REATTACHED LAV PSU AIR SUPPLY DUCT. ACCOMPLISHED OPS CHECK & FOUND AIR RESTORED TO LAV PSU "FULL AIR FLOW". WORK ACCOMPLISHED IN REF. TO THE MM 71-00-00, 21.50.03 & 26-11-05.

Part: LIMITER — INOPERATIVE (DUCT TEMP) · airframe 5,111 hrs · 3,146 cycles

LOST CABIN AT FL 400. HEARD PRESSURIZATION BUMP AND CABIN BEGAN CLIMBING RAPIDLY APPROX 1500FT/MIN OR GREATER. GOT CABIN HIGH EICAS. AFTER LANDING FELT ALMOST NO FROM ECS. REMOVE DUCT TEMP LIMITER AND INSTALLED NEW DUCT TEMP LIMITER REF MM 21-50-03. PERFORMED LEAK CHECK AND PRESSURIZATION. MM 21-00-00. OPS CHECK GOOD AT THIS TIME.

Part: FEEL UNIT — MALFUNCTIONED (AILERONS) · airframe 4,747 hrs · 2,892 cycles

AT FL390 WITH AUTO PILOT ON ACFT APPEARED TO BE DUTCH ROLLING. WITH AP OFF, ACFT AILERONS ARE VERY STIFF & DIFFICULT TO OPERATE. ROLLS STARTED AT 2 DEGREES & FINALLY WAS DOING 15 DEGREES. SAT WAS -60 AND DECENDED TO FL 270. PROBLEM GREATLY REDUCED WITH TEMP SAT - 30. APPROACH & LANDING, PROBLEM COMPLETLY RESOLVED. SERVICED AILERLON ARTIFICIAL FEEL SPRING UNIT. REMOVED OLD SILICONE GREASE & APPLIED NEW SILICONE GREASE. CYCLED AILERON SYSTEM SEVERAL TIMES & CHECKED SYSTEM FOR FULL & FREE MOVEMENT WITHOUT BINDING. ALL WORK IN REFERENCE TO MM 27-10-35

Part: UNKNOWN — UNKNOWN · airframe 4,747 hrs · 2,892 cycles

AT FL390 WITH AUTOPILOT ON THE ACFT APPEARED TO BE DUTCH ROLLING. WITH AP OFF, ACFT AILERONS ARE VERY STIFF AND DIFFICULT TO OPERATE. ROLLS STARTED AT 2 DEGREES AND FINALLY WAS DOING 15 DEGREES. SAT WAS -60 AND WHEN WE DESCENDED TO FL 270 THE PROBLEM WAS GREATLY REDUCED WITH TEMP SAT - 30. APPROACH AND LANDING THE PROBLEM COMPLETELY RESOLVED.

Part: PRESSURE SWITCH — MALFUNCTIONED (ANTI ICE SYS) · airframe 4,681 hrs · 2,856 cycles

"LT ENG NAC ANTI-ICE" AMBER CAS MESSAGE CAME ON DURING T/O ROLL. REMOVED LT ENG ANTI-ICE PRESSURE SWITCH AND INSTALLED AN INSPECTED UNIT, INSPECTED BY REPAIR STATION. WORK PERFORMED IAW MM 30-20-05. OPS CHECKS GOOD IAW MM 30-20-00.

Part: LANDING GEAR — INOPERATIVE · airframe 4,505 hrs · 2,761 cycles

ON DEPARTURE APA, UNABLE TO GET LT AND RT MAIN TO RETRACT.

Part: SENSOR — FROZEN (MLG) · airframe 4,505 hrs · 2,761 cycles

ON DEPARTURE APA, UNABLE TO GET LT AND RT MAIN TO RETRACT. YELLOW CROSS HATCHES APPEARED ON EICAS THEN TURNED RED. FOLLOWED PROCEDURES AND EXTENDED. THEN RETRACTED GEAR AND GET THE SAME RESULTS - YELLOW FOLLOWED BY RED. FOUND RT GEAR DOOR UPLOCK ACTUATOR AND POSITION SENSOR TO BE COMPLETELY FROZEN OVER. SWING GEAR AND DUPLICATED SQUAWK. REMOVED ICE AND INSPECTED THE DAMAGE FOUND. SWUNG GEAR SEVERAL TIMES. GEAR SWING OPERATION IS NORMAL AT THIS TIME IAW MM 32-30-00.

Part: SLAT SYSTEM — MALFUNCTIONED · airframe 4,248 hrs · 2,596 cycles

WHEN RETRACTING SLATS AFTER TAKEOFF A THUD WAS FELT AND SLATS WOULD NOT RETRACT. SLATS UNBAL. MESSAGE APPEARS ON EICAS. SUB: VISUALLY INSPECTED LT AND RT WING SLATS WITH NO DISCREPANCIES NOTED AT THIS TIME. PERFORMED FLAP / SLAT RIGGING TEST IAW AMM 27-50-00, 27-80-00, AND 27-50-05. FLAP/SLAT RIGGING TEST IS GOOD AT THIS TIME.

Part: SLAT SYSTEM — MALFUNCTIONED

WHEN RETRACTING SLATS AFTER TAKEOFF A THUD WAS FELT AND SLATS WOULD NOT RETRACT. SLATS UNBALANCED. MESSAGE APPEARS ON EICAS. (A)

Part: ACTUATOR — OUT OF ADJUST (SLATS) · airframe 4,080 hrs · 2,489 cycles

SLATS FAILED TO RETRACT SLAT UNBALANCED AND FLAP/SLAT MAINT CAS MESSAGES PRESENT. ADJUSTED RT NR 2 SLAT BALLSCREW ACTUATOR OK TO CONTINUE SERVICE. NO DEFECTS NOTED.

Part: CONTROL UNIT — MALFUNCTIONED (SLATS) · airframe 3,897 hrs · 2,386 cycles

SLATS FAILED TO RETRACT, CAS MSG: SLAT UNBALANCED, SLAT FLAP MAINTAIN. FLAPS/SLATS FUNCTIONAL TEST GOOD. PERFORMED FSECU BITE CHECK. NO FAULTS FOUND.

Part: SLAT SYSTEM — MALFUNCTIONED · airframe 3,588 hrs · 2,198 cycles

AFTER DEPARTURE AT APPROPRIATE SPEED, WE SELECTED SLATS UP, KRUEGERS RETRACTED SLATS WENT TO AN INTERMEDIATE POSITION. FLAP/SLAT OPS CHECK I/A/W G200 MM 27-51-45 NO DEFECTS NOTED.

Part: CONTROL UNIT — MALFUNCTIONED (RT ENGINE BLEED) · airframe 2,897 hrs · 1,774 cycles

RT BLEED AIR LEAK CAME ON IN FLIGHT, WARNING MESSAGE STAYED ON DURING ALL PROCEDURES ON EH-3 OF THE QRH. ENGINE WAS SHUTDOWN INFLIGHT. NO SMOKE OR FIRE REPORTED BY FIRE DEPARTMENT. REMOVED AND INSTALLED NEW RT BLEED AIR CONTROL UNIT IAW G-200 MM / CH 21-61-00 AND REMOVED AND INSTALLED APU BLEED AIR CONTROL UNIT IAW G-200 M/M / CH 21-61-00. PERFORMED PTT OK AND ENG NR 2 HIGH POWER RUN-UP ON GND. INSPECTED DUCTS AND SENSING LOOPS AND NO DEFECT NOTED AT THE TIME.

Part: WARNING SYSTEM — ACTIVATED (BLEED AIR SYS) · airframe 2,856 hrs · 1,743 cycles

L BLEED AIR MESSAGE ILLUMINATED IN FLIGHT AS DIRECTED BY THE CHECKLIST THE LT ENGINE WAS SHUTDOWN BY CREW BECAUSE THE MESSAGE REMAINED ON AFTER X-LIST ITEMS WERE COMPLETED SIDE NOTE ENGINE EVENT BUTTONS WERE PRESSED ABOUT 45 SECONDS AFTER MESSAGE ILLUMINATED. T/S GAINED ACCESS TO LEFT BLEED AIR DUCTING. NO DEFECTS NOTED. RANG OUT FIRELOOP & CONTROL BOXES. NO DEFECTS NOTED. PER GAC TECH REP SWAPPED CONTROL BOXES. RAN ACFT AT T/O POWER. NO DEFECTS NOTED PER TECH OPS. REMOVED AND REPLACED THE LEFT BLEED LEAK DETECT LOOP AND THE CONTROL BOX WITH A NEW LOOP AND NEW BOX. RAN ACFT. OPS CHECK GOOD I/A/W G-200 M/M 21-61-00. REINSTALLED ACCESS ITEMS.