N636QX
Registered owner: HORIZON AIR INDUSTRIES INC, WA (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
40 reports on file, 2019-03-08 – 2026-07-07.
Part: WARNING MESSAGE — FALSE ACTIVATION · airframe 20,417 hrs · 14,369 cycles
FLIGHT 2187. AFTER TOUCHDOWN RECEIVED BOTH CARGO AFT FIRE SYS FAIL & CRG FWD FIRE SYS FAIL EICAS MASTER CAUTION. MESSAGE EXTINGUISHED APPROX 1 MIN LATER. REMOVED FROM SERVICE. INTERROGATED CMC AND FOUND FAULT CODE 26230053UT1. PERFORMED FIM 26-23-00-810-806-A STEPS 1-7D, RESET PASSED, DETERMINED TO BE TRANSITORY. FAULT NO LONGER ACTIVE. NO PARTS REPLACED REYURNED TO SERVICE,
Part: AUTOTHROTTLE SYS — FAULTED · airframe 7,968 hrs · 6,451 cycles
ATTCS DID NOT ARM ( TURN FROM WHITE TO GREEN ) ON TAKE OFF ROLL. REJECTED TAKEOFF REMOVED FROM SERVICE. REF WO 358793 AAR S/N 9942079 FOR ALL WORK PERFORMED, INTERROGATED THE CMC, NO FAULTS , C/W FHDB DOWNLOAD IAW E175 AMM 45-45-00-920-801-A AND FIM TASK 22-31-00-810-885-A AND OPS TEST E175 AMM 22-31-00-710-801-A, ALL TEST PASSED, CONSIDERED TRANSITORY, A/C REMAINS CAT III PLACARDS DISPLAYS CAT III, MTC CONTROL NOTIFIED. NO PARTS REPLACED.
Part: COUNTERBALANCE — FAULTED (ZONE 800) · airframe 20,399 hrs · 14,352 cycles
L1 DOOR DIFFICULT TO OPEN FROM OUTSIDE. MAIN HANDLE REQUIRES CONSTANT PRESSURE TO OPEN. DOOR OPENS NORMALLY FROM THE INSIDE. REMOVED FROM SERVICE, FERRIED FOR REPAIRS. REF WO 365949, N/R-00001 AND N/R-00002 FOR REPLACEMENT OF COUNTERBALANCE GAS STRUTS. OPS CHECKS GOOD PER S.D.S 52-11-00, PAGES 16-17.. RETURNED TO SERVICE.
Part: SUPPORT — CORRODED (ZONE 100) · airframe 20,399 hrs · 14,352 cycles
FORWARD CARGO AT FRAME 21 BAGGAGE SUPPORT IS CORRODED. REPLACE BAGGAGE SUPPORT IAW SRM 51-40-08
Part: SHEAR WEB — CORRODED (ZONE 200) · airframe 20,399 hrs · 14,352 cycles
AFT WET AREA RIGHT HAND SHEAR WEB IS CORRODED AT FS 87. REPLACED WEB.
Part: SHEAR WEB — CORRODED (ZONE 200) · airframe 20,399 hrs · 14,352 cycles
AFT WET AREA LEFT HAND SHEAR WEB CORRODED. BLENDED SHEAR WEB AND FOUND TO BE WITHIN LIMITS. IAW ARM 53-23-10. RESTORED FINISH.
Part: SHEAR WEB — CORRODED (ZONE 200) · airframe 20,399 hrs · 14,352 cycles
AFT WET AREA RT SHEAR WEB CORRODED FS 87, REPLACED WEB.
Part: DOUBLER — CRACKED (ZONE 100) · airframe 19,960 hrs · 13,980 cycles
LEFT WHEEL WELL WEB DOUBLER CRACKED. REMOVED FROM SERVICE. COMPLIED WITH ETD2026-170-006007/1 REF WO 362787. RETURNED TO SERVICE.
Part: STRIP — LOOSE (ZONE 200) · airframe 19,759 hrs · 13,807 cycles
PHOTOLUMINSCENT STRIP NEXT TO 2A/3A HAS SHIFTED AND A GAP HAS FORMED MTX NOTIFIED. REMOVED FROM SERVICE. ADJUSTED PHOTOLUMINESCENT STRIP AT 2A/3A AND NO GAP NOTED. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE. NO PARTS REPLACED.
Earlier reports · 2019–2025 · 31 reports
2025
Part: BRAKE — OVERTEMP (ZONE 700) · airframe 18,715 hrs · 12,954 cycles
FLIGHT 2066. RTO APROX 80KTS. HARD BRAKING CAUSED #2 BRAKE TO GO YELLOW NO EICAS MESSAGE. REMOVED FROM SERVICE. PERFORMED GVI OF LH&RH MLG WHEELS AND BRAKES. NO DEFECTS NOTED. RETURNED TO SERVICE. NO PARTS REPLACED.
Part: PIN — INSTALLED (ZONE 800) · airframe 17,816 hrs · 12,244 cycles
FLIGHT 2146. L2 (AFT PASSENGER DOOR) DOOR PNUEMATIC ASSEMBLY SAFETY PIN FOUND INSTALLED. REMOVED FROM SERVICE. REMOVED PIN FROM EMERGENCY OPENING SYSTEM ACCUMULATOR ON L2 DOOR AS PER AMM 52-00-23-900-801-A NO DAMAGE FOUND. STOWED PIN IN FLIGHT DECK LEFT AFT STOWAGE COMPARTMENT. PERFROMED GVI OF AREA NO FAULTS FOUND. RETURNED TO SERVICE. NO PARTS REPLACED.
Part: SLIDE — OUT OF ADJUST (ZONE 800) · airframe 17,619 hrs · 12,080 cycles
WHEN ARMING L2 DOOR ARMING LEVER DOES NOT SIT FLUSH WITH VENT FLAP HANDLE. ALL OTHER INDICATIONS SHOW DOOR IS ARMED. FERRIED FOR REPAIRS. REF WO 352365, NR-00001, 00002 & 00003 FOR WORK PERFORMED. ADJUSTED AFT PAX DOOR EMERGENCY EVACUATION SLIDE MECHANISIM AND AFT PAX DOOR CONTROL MECHANISM. RETURNED TO SERVICE.
Part: CONTROL COLUMN — MALFUNCTIONED (ZONE 200) · airframe 17,225 hrs · 11,736 cycles
FLIGHT 2106. BOTH CONTROL COLUMNS MOVED STIFFLY WITH AP ENGAGED AND SOMETIMES DURING MANUEL FLIGHT. PITCH MOVEMENTS HAPPENED IN NOTCHES RATHER THAN SMOOTH UP AND DOWN MOTIONS. REMOVED FROM SERVICE. INTERROGATED CMC FOR FAULT CODES, NO FAULT CODES PRESENT. PERFORMED GVI OF CONTROL COLUMN NO DEFECTS NOTED. PERFORMED CLEANING OF CONTROL COLUMN POSTION SENSORS REF. MCN E270006 ISSUE NO. 01. CONTROL COLUMN MOVES SMOOTH. COMPELTED FREEDOM OF MOVEMENT CHECK, ENSURED FULL TRAVEL AND VERIFIED PROPER DIRECTION OF MOVEMENT, NO DEFECTS NOTED PER GPM 9.2.5 (FOMC). RETURNED TO SERVICE. NO PARTS REPLACED.
2024
Part: FAIRING — CRACKED (ZONE 100) · airframe 15,852 hrs · 10,635 cycles
CRACK IN LEFT HAND WHEEL WELL FORWARD PANEL JUST BELOW THE PARKING BRAKE VALVE. REMOVED FROM SERVICE. C/W T/C ETD2024-170-026814/1. TAPE APPLIED AS TEMP REPAIR. RETURNED TO SERVICE. NO PARTS REPLACED.
Part: UNKNOWN — UNKNOWN · airframe 15,561 hrs · 10,403 cycles
AIRCRAFT STOPPED (WAITING FOR GATE), SHUTDOWN #2 ENGINE. READY TO TAXI INTO GATE, RELEASED PARKING BRAKE (INDICATED OFF), AIRCRAFT WOULD NOT MOVE WITH 40% N1. CYCLED PARKING BRAKE REPEATEDLY, ADDED THRUST, NO CHANGE. RESTARTED #2 ENGINE PER MTX CTL, INITIALLY WITH BOTH ENGINES AT 40% N1, AIRCRAFT STILL HELD POSITION. AFTER A FEW SECONDS @ 40% N1 (BOTH ENGINES) AIRCRAFT BEGAN TO MOVE. NO ABNORMAL INDICATIONS OBSERVED. AS AIRCRAFT STARTED TO MOVE, FELT AS BRAKES RELEASED AS WE MOVED. REMOVED FROM SERVICE. PERFORMED WALK AROUND. INSPECTED BRAKES NO DEFECTS FOUND, BRAKE TEMPS WERE COLD, RELEASED PARKING BRAKE AND AIRCRAFT ROLLED TO CHALKS. INTERROGATED CDU, NO FAULTS FOUND. SUSPECT AIRCRAFT WAS STUCK IN ONE OF THE RAMP RUTS. RETURNED TO SERVICE.
Part: LIGHT — WORN (CABIN) · airframe 14,476 hrs · 9,521 cycles
RH FWD GALLEY/FIRST CLASS AREA PHOTOLUMINESCENT STRIP P/N SG 9904-1237 WORN BEYOND LIMITS. R+R PHOTOLUMINESCENT STRIP P/N SG 9904-1237 IAW E175 AMM TASK 33-50-21-000/400-801-A. OPS TEST GOOD. NO FURTHER DEFECTS NOTED. THIS CLEARS DEFECT.
Part: FADEC — MALFUNCTIONED (NR 1 ENGINE) · airframe 14,259 hrs · 9,355 cycles
#1 ENG SHORT TERM DISPATCH MSG ON POWERUP WITH FAULT SD OBV CMD-CURRENT DISAGREE CODE 73216422E1B. REMOVED #1 ENGINE FADES REF E175 AMM TASK 73-21-01-000-801-A BEGAN INSTALLATION OF #1 ENGINE FADEC REF E175 AMM TASK 73-21-01-400-801-A PARA 1-8J. UPON POWER UP FAULT RETURNED. CHECKED RESISTANCE AT FADEC CONNECTOR P3 AND P4, PINS X AND Y TO OBV. RESISTENCE WAS 40 OHMS ( RANGE IS 30-50 OHMS). REF GE FIM 72-00-00-810-808. NO DEFECTS NOTED. COMPLETED FADEC INSTALLATION IAW AMM TASK 73-21-01-400-801-A PAR 8K-N. REMOVED & INSTALLED PBV IAW GE LMM TASK 75-00-00-800-807. OPS CHECKS GOOD NO LEAKS NOTED. FAULT DID NOT RETURN.
2023
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 13,349 hrs · 8,677 cycles
RH INBD SEAT TRACK (Y= +10.5") HAS CORROSION ON AFT EDGE 5.5" FWD OF FR 85 Z= -19.3" AS MARKED. REPAIRED RH INBD SEAT TRACK (Y= +10.5") AFT EDGE 5.5" FWD OF FR 85 Z= -19.3" BY SPLICING IN A NEW SEGMENT PER ETD 2023-170-025165 REV 1 AND HORIZON EC ETD2023-170-025165.
Part: SEAT TRACK — CORRODED (UNKNOWN) · airframe 13,349 hrs · 8,677 cycles
PERMANENT SPLICE REPAIR FOR CORROSION DAMAGE TO RH INBD SEAT TRACK BETWEEN FR85 AND FR84. COMPLIED WITH ETD2023-170-025165 PERMANENT SPLICE REPAIR FOR CORROSION DAMAGE TO RH INBD SEAT TRACK BETWEEN FR85 AND FR84.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 13,349 hrs · 8,677 cycles
FWD SVC DOOR EMERGENCY EVAC SLIDE MECHANISM CABLE RUBBER SHEATHING PULLING AWAY AT UPPER SWAGED END. REMOVED LOWER PORTION OF FWD SERVICE DOOR FLEXBALL CABLE/CONTROL COMMAND KIT TO F.O.M. REF AMM 52-41-40. REPAIRED FWD SERVICE DOOR FLEXBALL CABLE PER HORIZON COC 52-41-40. REINSTALLED LOWER PORTION OF FWD SERVICE DOOR FLEXBALL CABLE.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 13,349 hrs · 8,677 cycles
AFT SERVICE DOOR EMERGENCY SLIDE MECHANISM CABLE SHEATHING PULLED WAY FROM UPPER SWAGED END. REMOVED UPPER PORTION OF AFT SERVICE DOOR FLEXBALL CABLE/CONTROL COMMAND KIT TO F.O.M. REF AMM 52-42-40. REPAIRED AFT SERVICE DOOR FLEXBALL CABLE PER HORIZON COC 52-42-40. REINSTALLED UPPER PORTION OF AFT SERVICE DOOR FLEXBALL CABLE.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 13,349 hrs · 8,677 cycles
AFT PASSENGER DOOR CABLE PULLING THROUGH SWAGE AS MARKED. REMOVED UPPER PORTION OF AFT PASSENGER DOOR FLEXBALL CABLE/CONTROL COMMAND KIT TO F.O.M. REF AMM 52-12-40. REPAIRED AFT PASSENGER DOOR FLEXBALL CABLE PER HORIZON COC 52-12-40. REINSTALLED UPPER PORTION OF AFT PASSENGER DOOR FLEXBALL CABLE.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 13,349 hrs · 8,677 cycles
FWD PAX DOOR EMERGENCY EVACUATION SLIDE BACKING PLATE CRACKED. REPLACED FWD PAX DOOR EMERGENCY EVACUATION SLIDE ON RACK.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 13,349 hrs · 8,677 cycles
CORROSION-RH INBD SEAT TRACK CORRODED AS MARKED AT END OF CROWN TEATH FR 17. REMOVED AND REPLACED RH INBD SEAT TRACK REF SRM 51-40-08.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 12,165 hrs · 7,786 cycles
RAMP REPORTS VERY STRONG UNUSUAL SMELL COMING FROM RH MLG. REMOVED FROM SERVICE. INSPECTED AND SNIFFED AROUND RH MLG AND NOTED NO SMELL OR SAW ANYTHING IN THE AREA. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.
2021
Part: NONE — DAMAGED (#1 ENGINE) · airframe 9,172 hrs · 5,567 cycles
#1 ENGINE 6TH FAN BLADE AND 22ND FAN BLADE FOUND BENT POST FLIGHT. REPLACED FAN BLADES 5, 19, 4 AND 18 IAW GE MANUAL 72-21-00-800-803.
Part: PUMP — LEAKING (#1 ENGINE) · airframe 8,857 hrs · 5,354 cycles
#1 ENGINE LEAKING FUEL FROM THE BOTTOM. REMOVED FROM SERVICE. OPENED #1 ENG. FAN COWL IAW AMM 71-11-00-910-801-A PERFORMED GVI OF ENGINE W/ NO LEAKS NOTED, CLOSED FAN COWL IAW AMM TASK 71-11-00-910-802-A. PERFORMED #1 ENG RUN W/ CREW FOR 5 MIN, LARGE FUEL LEAK NOTED FROM #1 ENG DRAIN MAST. VERIFIED FUEL LEAKING DRAIN #3 (CORE DRAIN) AT 25 DPM STATIC, 11-06-21, FAN REV COWL OPEN TO FOM, FOUND FUEL PUMP LEAKING, CLOSED AND SECURED #1 ENG FAN AND REV COWL IAW AMM 71-11-00-910-801-A, 71-11-00-910-802-A, AMM 78-30-01-910-801-A, 78-30-01-910-802-A. REMOVED AND REPLACED #1 ENGINE FUEL PUMP, REF. E175 AMM 73-11-01-000/400-801-A. OPS CHECK PASSED, NO LEAKS FOUND. A/C OK FOR SERVICE. AIRCRAFT RETURNED TO SERVICE.
Part: NONE — NONE · airframe 8,849 hrs · 5,349 cycles
DURING BOARDING EMERG LIGHTS CAME ON EMRG. LIGHTS ON MSG ON EICAS. EMERG. LIGHTS SELECTOR WAS ARMED CYCLED EMERG. LIGHTS SELECTOR OFF- THEN ARMED EICAS MSG. IS GONE BUT RAINBOW LIGHTS ARE STILL ON. REMOVED FROM SERVICE. CYCLED SHIPS POWER AND C/W OPERATIONAL TEST OF ATT. CALL LIGHTS INDICATORS REF; E175 AMM 33-24-00-710-801 OPS CK GOOD NO OTHER DEFECTS NOTED AT THIS TIME EMERGENCY LIGHTS ARE NO ILLUMINATED AND NO OTHER DEFECTS FOUND AT THIS TIME.
Part: SPRING — DAMAGED (ZONE 800) · airframe 8,717 hrs · 5,250 cycles
L1 DOOR EMERGENCY SLIDE PARTIALLY DEPLOYED. REMOVED FROM SERVICE. REMOVED SLIDE AND FERRIES FOR REPAIRS. FOUND GIRT BAR FORWARD SPRING DAMAGED. REPLACED SPRING. REPLACED ESCAPE SLIDE.
Part: DOOR — UNKNOWN (MAIN PAX) · airframe 7,551 hrs · 4,475 cycles
PAX DOOR HARD TO OPEN FROM OUTSIDE. REMOVED FROM SERVICE. OPERATED AFT PAX DOOR SEVERAL TIMES, IAW MCN E250094-01, NO DEFECTS NOTED. A/C OK FOR SERVICE.
Part: WIRE HARNESS — OUT OF POSITION (SPOILER SYS) · airframe 7,454 hrs · 4,414 cycles
DURING E-28-0007 FUEL QUANTITY HARNESS INSPECTION, FOUND RIGHT GROUND SPOILER HARNESS P0746 TY-WRAPPED TO THE FUEL QUANTITY HARNESS. REMOVED P0746 FROM THE FUEL QUANTITY HARNESS AND SECURED THE FUEL QUANTITY HARNESS AND HARNESS P0746 IAW E175 AMM 28-41-06-400-801-A AND WIRING MANUAL SP20-45-30.
Part: SHUTOFF VALVE — MALFUNCTIONED (NR 1 ENGINE) · airframe 7,432 hrs · 4,403 cycles
IN CLIMB BLEED 1 FAIL ILLUMINATED PERFORMED EA CHECK LIST MESSAGE DID NOT RETURN. PLACED ON MEL. CLEARED 5/17 BY REPLACING #1 ENGINE NACELLE PRESSURE REGULATING- SHUTOFF-VALVE. REF E175 AMM TASK 36-11-03-000-801-A AND 36-11-03-400-801-A. OPS TEST GOOD. LEAK TEST GOOD. FAULT DID NOT RETURN. CLEARS DEFECT.
Part: LIGHT — DETACHED (CABIN FLOOR) · airframe 7,359 hrs · 4,367 cycles
EMERGENCY LIGHT STRIP DETACHED FROM CABIN FLOOR IN FRONT OF 1C. REMOVED FROM SERVICE. RESECURED AS REQUIRED REF E175 AMM 33-50-21-400-801A. NO FURTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.
Part: BOTTLE — INOPERATIVE (EXTINGUISHER) · airframe 6,479 hrs · 3,899 cycles
APU FIDEX FAIL CAUTION ON EICAS (APU FIRE EXTINGUISHING SYSTEM). REMOVED FROM SERVICE. R & R APU FIRE EXTINGUISHING BOTTLE, IAW E175 AMM 26-22-01-000-801-A\400-801-A AND PERFORMED OPERATIONS TEST. OPERATIONS TEST GOOD. CLEARS MEL, PLACARDS REMOVED, MTX CONTROL NOTIFIED. AIRCRAFT RETURNED TO SERVICE.
2020
Part: GLOWSTRIP — INOPERATIVE (CABIN) · airframe 4,774 hrs · 2,947 cycles
FLOOR PATH LIGHTING STRIP NOT GLOWING. REPLACED FLOOR PATH STRIP IAW AMM 33-50-21-000/400-801A.
Part: UNKNOWN — ODOR (COCKPIT) · airframe 4,592 hrs · 2,857 cycles
AVAIL AND GROUND SERVICE LIGHTS FLICKERING AFTER TERMINATING. SMELL OF BURNING PLASTIC IN FLIGHT DECK . AFTER POWERING AIRCRAFT BACK UP SMELL WENT AWAY. APU POWERS AIRCRAFT WITH NO ISSUES. REMOVED FROM SERVICE. PERFORMED OPS CHECK OF THE EXTERNAL AC POWER SYSTEM IAW AMM 24-42-00-USED DIFFERENT GPU NO POWER SURGES DEFECTS OF SMELLS NOTED A/C OK FOR SERVICE PERFORMED GVI ON RECEPTACLE PINS NO BURNS MARKS OR DAMAGE FOUND. AIRCRAFT RETURNED TO SERVICE.
2019
Part: SMOKE WARNING — FALSE ACTIVATION (LAVATORY) · airframe 3,331 hrs · 2,133 cycles
LAV SMOKE MASTER WARNING SHOW IN THE EICAS MOMENTARY, WITH PAX ON THE LAB IT WENT AWAY AFTER 3 SEC. REMOVED FROM SERVICE. PERFORMED E175 FIM 26-14-00-810-803-A. NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.
Part: UNKNOWN — ODOR (AFT CABIN) · airframe 3,287 hrs · 2,101 cycles
PASSENGER SMELLED SMOKE IN BACK OF CABIN. AIRCRAFT REMOVED FROM SERVICE. PERFORMED GVI OF AFT CABIN AREA AND GALLEY. NO SMELLS NOTED, SUSPECT SMELL WAS FROM TAXING AIRCRAFT NEARBY, NO OTHER DEFECTS NOTED. COULD NOT DUPLICATE. RETURNED TO SERVICE. NO PARTS REPLACED.
Part: UNKNOWN — MALFUNCTIONED (PITCH SYSTEM) · airframe 2,878 hrs · 1,828 cycles
PITCH INDICATION DISAPPEARED AMBER DASHES IN THE AIR. FLIGHT CONTROL NO DISPATCH ON EICAS AFTER LANDING ( PITCH TRIM POSITION INDICATION ON EICAS ). DECLARED EMERGENCY LANDING. LANDING UNEVENTFUL. REMOVED FROM SERVICE. PLACED ON MEL. RETURNED TO SERVICE.
Part: OVEN — SMOKE (GALLEY) · airframe 1,214 hrs · 776 cycles
FWD GALLEY OVER REPORTED EXTREMELY HOT; STARTED SMOKING, OVEN WAS EMPTY F/A TURNED OFF OVEN AND SMOKE DISSIPATED. REMOVED FROM SERVICE. PLACED OVEN ON NEF (LOGPAGE 866540). RETURNED TO SERVICE.