N86

Part: NONE — NONE · airframe 14,193 hrs · 5,792 cycles

“FUSELAGE SKIN BUCKLED AFT OF NOSE LANDING FOLLOW UP DOOR” ON LOGBOOK PAGE 270398 DATED JULY 29, 2021 HOURS 14193.3 LANDINGS 5792 THE AIRCRAFT WAS FERRIED UP TO WICHITA ON AUGUST 19, 2021 HOURS 14,194.1 LANDINGS 5793 LOGBOOK PAGE 270402. 10/01/2021 DETERMINED THAT REPAIR LIKELY TO BE A MAJOR REPAIR. AWAITING BOMBARDIER ENGINEERING DISPOSITION.

Part: WARNING LIGHT — ILLUMINATED (TE FLAPS) · airframe 13,913 hrs · 5,706 cycles

FLAPS FAIL LIGHT ILLUMINATED ON APPROUCH

Part: SWITCH — OUT OF ADJUST (NLG DOOR) · airframe 13,354 hrs · 5,451 cycles

NOSE GEAR DID NOT RETRACT ON TAKEOFF. NOSE DOOR OPEN LIGHT REMAINED ILLUMINATED. ACCOMPLISHED GEAR DISAGREE CHECKLIST. MA ADJUSTED LH LANDING GEAR DOOR (NOSE) OPEN SWITCH S1GK TO CORRECT THIS ISSUE

Part: CONNECTOR — LOOSE (NLG) · airframe 13,352 hrs · 5,449 cycles

NOSE GEAR DID NOT RETRACT. DOOR LIGHT REMAINED ON. COMPLETED GEAR DISAGREE CHECKLIST. FOUND LOOSE BACKSHELL AND CANNON PLUG CONNECTION GOING TO NOSE LANDING GEAR SELECTOR VALVE HARNESS. TIGHTENED BACKSHELL AND CANNON PLUG. NO FURTHER ISSUES.

Part: SENSOR — FAILED (LT MLG) · airframe 12,883 hrs · 5,269 cycles

INBOARD ANTI-SKID FAIL ANNUNCIATOR ON. LT WHEEL SPEED SENSOR WAS REPLACED. OPERATIONAL CHECK SATISFACTORY.

Part: MODULE — INTERMITTENT (COCKPIT) · airframe 12,882 hrs · 5,268 cycles

OUTBOARD ANTI-SKID LIGHT ILLUMINATED WHEN GEAR EXTENDED WOULD NOT RESET. FOUND ANTI-SKID CONTROL PANEL LT LIGHT MODULE INTERMITTENT. THE ISSUE WAS RESOLVED BY REPLACING THE ANTI-SKID CONTROL PANEL.

Part: SIGNAL COND UNIT — MALFUNCTIONED (ENGINE VIBRATION) · airframe 12,648 hrs · 5,191 cycles

RT ENGINE VIBRATION LIGHT ILLUMINATED AT 75% N1 AT 16,000 FEET. REMOVED AND REPLACED ENGINE VIBRATION SIGNAL CONDITIONER.

Part: ACCELEROMETER — FAULTY (RT ENGINE VIB) · airframe 12,648 hrs · 5,191 cycles

RIGHT ENGINE VIBRATION LIGHT ILLUMINATED AT 75% N1 AT 16000 FEET. REMOVED AND REPLACED ENGINE VIBRATION ACCELEROMETER.

Part: CRANK ASSY — CRACKED (PAX DOOR) · airframe 12,610 hrs · 5,178 cycles

PASSENGER DOOR LATCH MECHANISM CRANK CRACKED.

Part: CRANK ASSY — CRACKED (PAX DOOR) · airframe 12,610 hrs · 5,178 cycles

PASSENGER DOOR LATCH MECHANISM CRANK CRACKED.

Part: LANDING GEAR — MALFUNCTIONED (LT MLG) · airframe 12,155 hrs · 5,011 cycles

LEFT MAIN LANDING GEAR UNSAFE AFTER LOWERING GEAR. PULLED MANUAL RELEASE WITH NO CHANGE IAW CHECKLIST. RESET MANUAL RELEASE PER SERVICE CENTER MX DIRECTION. GEAR CAME DOWN 30 SECONDS LATER. EMERGENCY WAS DECLARED.

Part: SHUTOFF VALVE — MALFUNCTIONED (BLEED AIR SYS) · airframe 11,218 hrs · 4,653 cycles

BLEED AIR FAIL LIGHT ILLUMINATED WHEN BLEED AIR IN CLOSED POSITION. REPLACEMENT OF THE PNEUMATIC SOV SOLVED THE ISSUE. NO FURTHER ACTION REQUIRED.

Part: FLAP — LACK OF LUBE (WING) · airframe 10,537 hrs · 4,408 cycles

FLAPS FAIL ON INITIAL TAKE OFF. FAILED AT 18^. AIRSPEED REACHED 240 KIAS WITH NO OVER SPEED WARNING. COMPLIED WITH OVER SPEED INSPECTION. LUBED FLAPS.

Part: UNKNOWN — MALFUNCTIONED (LANDING GEAR) · airframe 9,614 hrs · 4,017 cycles

AFTER TAKEOFF COULDN’T RAISE GEAR, THEN WOW INPUT LIGHT CAME ON. LIGHT WENT OUT AFTER 2 MIN. GEAR HANDLE REMAINED LOCKED DUE TO MOMENTARY WOW INPUT FAILURE, TROUBLESHOOTING CONTINUING.

Part: UNKNOWN — MALFUNCTIONED (NLG) · airframe 9,291 hrs · 3,906 cycles

UPON COMPLETION OF A LOW APPROACH, GEAR HANDLE SELECTED UP FOR CLIMBOUT. AFTER MAINS RETRACTED, NOSE GEAR REMAINED EXTENDED AND RED LIGHT IN HANDLE CONTINUED FLASHING. INITIALLY NO OTHER INDICATIONS. AFTER HOLDING AND APPROXIMATELY 40 MINUTES AFTER INITIAL MALFUNCTION, NOSE GEAR DOOR LIGHT ILLUMINATED. LIGHT IN THE HANDLE WAS FLASHING ENTIRE TIME.

Part: WINDSHIELD — CRACKED (COCKPIT) · airframe 9,020 hrs · 3,784 cycles

RIGHT SIDE WINDSHIELD ANTI-ICE FAILURE IN CRUISE FLIGHT. PERFORMED WINDSHIELD ANTI-ICE FAILURE AS DIRECTED IN ABNORMAL PROCEDURE. CONTINUED ON ORIGINAL ROUTE TO PLANNED DESTINATION. APPROX 20 MIN LATER NOTICED CRACK OF OUTER PLY OF RIGHT SIDE WINDSHIELD. CRACK RAN FROM TOP TO BOTTOM ABOUT CENTER SCREEN. PERFORMED ABNORMAL PROCEDURE FOR WINDSHIELD OUTER FACE PLY FAILURE. CHANGED DESTINATIONS TO A CLOSER AIRPORT. ON DESCENT, OUTER PLY OF WINDSHIELD SEPARATED FROM AIRCRAFT. ONCE ON THE GROUND, MECH VISUALLY INSPECTED AIRCRAFT AND FOUND NO FURTHER DAMAGE.

Part: HINGE FITTING — CRACKED (RUDDER) · airframe 7,753 hrs · 3,236 cycles

REMOVED RUDDER TO NDI ATTACH FITTINGS. DURING INSPECTION A CRACK IN UPPER FITTING WAS DETECTED. DURING STRIPPING OF PAINT, DISCOVERED PITTING AROUND BUSHING INSERT. CORROSION WAS DEEP INTO BRACKET AT EDGE OF BUSHING. THIS UPPER HINGE FITTING AND BUSHING SITS AT BOTTOM WHERE MOISTURE WOULD SIT IN CAVITY.

Part: DOWNLOCK SWITCH — FAULTY (NLG) · airframe 7,344 hrs · 3,086 cycles

WHILE MANEUVERING FOR APPROACH, CREW LOWERED LANDING GEAR. BOTH MAIN GEAR INDICATIONS WERE "DOWN AND LOCKED". NOSE INDICATOR DID NOT ILLUMINATE. NOSE DOOR OPEN LIGHT REMAINED ILLUMINATED AND AIRCRAFT BUFFETED INDICATING NOSE DOORS WERE OPEN. THE LIGHT IN THE GEAR HANDLE WAS NOT ILLUMINATED. THE CREW ABORTED THE APPROACH, CLIMBED AND HELD IN VFR CONDITIONS. CREW PERFORMED A FLY-BY AND TOWER PERSONNEL VERIFIED NOSE GEAR APPEARED DOWN. RETURNED AIRCRAFT TO HOLDING PATTERN TO REDUCE FUEL LOAD. DECLARED AN EMERGENCY WITH ATC AND PERFORMED AN UNEVENTFUL VISUAL LANDING. MAINTENANCE FOUND NOSE LOCK MICRO SWITCH BAD. REMOVED AND REPLACED. CYCLED GEAR SEVERAL TIMES. OPS CHECKED GOOD.

Part: WARNING MESSAGE — FALSE ACTIVATION (ENGINE OIL) · airframe 7,113 hrs · 2,984 cycles

ON DESCENT THRU 160 BOTH THROTTLES WERE BROUGHT TO IDLE. NR 2 LOW OIL PRESSURE LIGHT CAME ON, AND LOW OIL PRESSURE TAPE INDICATED LOW. N1 LT 65 PERCENT, RT 34 PERCENT, POWER RE-APPLIED AND ENGINE RECOVERED. MX CHECKED ENGINE ON GROUND AND NO FAULT FOUND.

Part: WINDSHIELD — CRACKED (COCKPIT) · airframe 6,282 hrs · 2,715 cycles

IN CRUISE FLIGHT, LEFT PILOT WINDSHIELD CRACKED THE ENTIRE VERTICAL LENGTH OF THE WINDOW. PRESSURIZATION WAS CHECKED AND ABNORMAL CHECKLIST FOR WINDSHIELD OUTER FACE PLY FAILURE WAS ACCOMPLISHED. ATC AND FICO WERE ADVISED AND TURN AROUND CONDUCTED. UNEVENTFUL LANDING WAS CONDUCTED.

Part: COVER — BROKEN (ECU)

ANC - AIRPORT RAMP. AIRCRAFT OBSERVED TO BE LEAKING FUEL FROM THE LOWER TAIL SECTION WITHIN A FEW MINUTES FOLLOWING APU START. THE AIRCRAFT ENGINES WERE NOT STARTED. THE APU WAS SHUT DOWN WITHOUT FURTHER INCIDENT AND THE FLIGHT CANCELLED. INVESTIGATION REVEALED THE APU LOW-PRESSURE FUEL FILTER COVER MOUNTING EAR FAILED AT THE SCREW MOUNTING HOLE AND SEPARATED FROM THE FUEL CONTROL UNIT. (X)