N811BP

ATA 5297

Part: WIRE — DAMAGED (PAX DOOR) · airframe 4,910 hrs · 3,510 cycles

THE FLIGHT CREW REPORTED THAT A RED ENTRY DOOR CAS MSG & A WHITE ENTRY DOOR PIN CAS MSG WITH THE DOOR CB TRIPPED ON THE LT CB PANEL WHEN THE CABIN DOOR IS CLOSED. TROUBLE SHOT & FOUND A WIRE CHAFING THROUGH A ACFT STRUCTURE LIGHTENING HOLE. REPAIRED THE DAMAGED WIRE & PUT PROTECTIVE COVER ON THE EXPOSED METAL AROUND THE LIGHTENING HOLE. PERFORMED A SATISFACTORY FUNCTIONAL CHECK. ALL WORK DONE IAW AMM & AWM. IT IS UNCLEAR IF THE DAMAGED WIRE HAD BEEN MIS-ROUTED OR WAS CAUSED BY A DEFECT IN DESIGN.

ATA 7410

Part: IGNITER BOX — FAULTY (LT ENGINE) · airframe 4,910 hrs · 3,510 cycles

THE LT ENGINE IGNITION INDICATED A WHITE EICAS MSG WHILE IN FLIGHT, WHEN THE IGNITION SWITCH IS MANUALLY PRESSED. TROUBLESHOOTING IDENTIFIED THAT THE CHANNEL A OF THE LT ENGINE IGNITION UNIT TO BE FAULTY. THE UNIT WAS REMOVED AND A NEW CONDITION UNIT WAS INSTALLED. OPS CHECKED SATISFACTORY.

ATA 2742

Part: ACTUATOR — FAILED (PITCH TRIM) · airframe 4,898 hrs · 3,499 cycles

THE PRIMARY PITCH TRIM FAILED IN FLIGHT & INDICATED AN AMBER CAS MESSAGE. ACTIVATED THE SECONDARY TRIM SYS & COMPLETED THE FLIGHT. TROUBLE SHOT & FOUND THE PITCH TRIM ACTUATOR TO BE FAULTY. REMOVED THE PITCH TRIM ACTUATOR.

ATA 2742

Part: ACTUATOR — DEFECTIVE (HORIZ STAB) · airframe 4,895 hrs · 3,496 cycles

DURING PREFLIGHT CHECKS, THE PITCH TRIM MIS COMPARE CAS MSG ILLUMINATED. TROUBLESHOOTING THE PITCH TRIM MSCP EICAS MSG USING THE LEARJET SMART & FOUND THE STAB ACTUATOR TO HAVE A DIFFERENCE BETWEEN THE PRIMARY & THE SECONDARY SYS. THE DEFECTIVE ACTUATOR WAS REMOVED PN 2A9209B SN B0827. ACTUATOR TIME IN SERVICE 4894.7HRSTT 67.9HRSTSO.

ATA 5330

Part: SKIN — CRACKED (FUSELAGE) · airframe 4,866 hrs · 3,469 cycles

DURING A POST FLIGHT INSPECTION A 3 INCH CRACK WAS DISCOVERED IN THE LOWER FS JUST FWD OF THE NLG WW. FURTHER INSPECTION FOUND THAT THE LOWER SECTION OF THE NR 2 FRAME WAS ALSO CRACKED. SUPPORT IS AWARE OF THIS FAULT & RECOMMENDED THAT SERVICE BULLETINS 45-53-30 & 45-24-10 BE COMPLIED WITH TO STRENGTHEN FRAME NR 2 AREA. REPAIRS WERE COMPLETED & THE ACFT WAS RETURNED TO SERVICE.

ATA 2822

Part: PUMP — DEFECTIVE (FUEL SYSTEM) · airframe 4,834 hrs · 3,450 cycles

CREW REPORTED A RED, LT FUEL PRESS LOW, CAS MSG DURING TAKEOFF POWER UP. THE TAKEOFF WAS ABORTED & RETURNED TO MX. TROUBLESHOOTING FOUND THE LT ENG MOTIVE FLOW FUEL PUMP PN 3060759-1 TO BE DEFECTIVE. THE PUMP WAS REPLACED. FUNCTIONAL CHECKS OK. RETURNED TO SERVICE.

ATA 3010

Part: VANE — SHORTED (AOA HEAT) · airframe 4,799 hrs · 3,418 cycles

THE FLIGHT CREW REPORTED THAT THE RT AOA HT FAIL CAS MSG WITH THE ASSOCIATED RT PROBES HT AOA CB TRIPPED. THE CB WAS RESET IAW THE CHECKLIST WHERE IT TRIPPED AGAIN. TROUBLESHOOTING FOUND THE RT AOA VANE SHORTED TO GND. IT WAS ALSO FOUND THAT THE DEFECT IN THE AOA VANE HEATER CAUSED DAMAGE TO THE CONTROL RELAY FOR THE AOA HEATER SYS ALONG WITH THE RELAY BASE. THE AOA TRANSMITTER WAS REPLACED WITH A REPAIRED UNIT, PN 6627308500-001. THE RELAY & RELAY BASE WERE REPLACED WITH NEW. FUNCTIONAL CHECKS AFTER REPAIRS WERE SATISFACTORY.

ATA 3425

Part: AHRS — FAILED (NR 2) · airframe 4,609 hrs · 3,281 cycles

THE FLIGHT CREW REPORTED THAT THE CAS SYS INDICATED THAT THE RUDDER BOOST SYS WAS INOPERATIVE. TROUBLESHOOTING IDENTIFIED THAT THE NR 2 AHRS HAD FAILED. THE FAILED UNIT PN HG2010AC02, SN 97040504 WAS REMOVED & A TESTED UNIT WAS INSTALLED.

ATA 3297

Part: WIRE — MISROUTED (MLG) · airframe 4,521 hrs · 3,221 cycles

THE FLIGHT CREW REPORTED SEVERAL TIMES ABOUT THE NR 1 BRAKE AS GRABBY DURING LANDING & BRAKING. THE NR 1 WHEEL SPEED TRANSDUCER WAS TROUBLESHOT & NO DEFECTS WERE NOTED. SEPT 08, 2013 THE NR 1 MAIN TIRE WAS BLOWN OUT DURING LANDING. THE PILOTS REPORTED THE THE LT SIDE BRAKES WERE GRABBY DURING THIS LANDING. TROUBLESHOOTING IDENTIFIED THAT THE WIRING FOR THE LT GEAR WHEEL SPEED TRANSDUCERS WAS MISROUTED & ATTACHED TO THE INCORRECT TRANSDUCER, SWAPPED. THE WIRING WAS REROUTED TO THE CORRECT POSITIONS. FUNCTIONAL CHECKS WERE SATISFACTORY & THE NR 1 & 2 WHEELS & TIRES WERE REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.

ATA 3420

Part: AHRS — INTERMITTENT (NR 2) · airframe 4,479 hrs · 3,190 cycles

FLIGHT CREW HAD SEVERAL INTERMITTENT NR 2 AHRS FAIL INDICATIONS. TROUBLESHOOTING COULD NOT DUPLICATE FAULT. NR 2 AHRS UNIT REPLACED. UNIT CAUSED FAILURE OF HEADING AND REF WITH ASSOCIATED FAILURE OF AUTOPILOT. EVENT CODES INDICATE LOSS OF YAW DAMPENER AND COMPARATOR FAILURE. UNIT WAS REPLACED WITH SATISFACTORY FUNCTIONAL CHECKS. THE ACFT WAS RETURNED TO SERVICE.

ATA 7320

Part: COMPUTER — DEFECTIVE (ENGINE) · airframe 4,323 hrs · 3,088 cycles

CREW REPORTED AN AMBER RT ENGINE COMPUTER FAULT CAS MESSAGE. RT ENGINE SWITCHED TO MANUAL MODE AND RESPECTIVE N1 REDUCTION ON RT ENGINE. WHITE RT CHECK EDS CAS MESSAGE WAS ASSOCIATED WITH THIS OCCURRENCE. TROUBLESHOOTING IDENTIFIED THE RT ENGINE DEEC AS DEFECTIVE. DEEC REPLACED WITH REPAIRED UNIT. FUNCTIONAL CHECKED SATISFACTORY IAW MM 76-10-02.

ATA 3230

Part: SHAFT — SHEARED (MLG)

AT RT MAIN LANDING GEAR SIDE BRACE ACTUATOR THE INBOARD TRUNION PIN WAS FOUND TO BE SHEARED OFF AT THE FORWARD ATTACH NUT WHICH HOLDS THE PIN INTO THE WING ATTACH FITTING. UNABLE TO DETERMNE THE TIME AT WHICH THE PART FAILED.