N635QX
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.
41 reports on file, 2018-09-01 – 2026-07-18.
Part: FUEL CELL — LEAKING (ZONE 500) · airframe 21,180 hrs · 15,063 cycles
EVIDENCE OF FUEL LEAK/SEEP AT LH WING ROOT. REMOVED FROM SERVICE. IDENTIFIED FUEL SEEP TO BE AT LH WING STUB SEAM BETWEEN FRAMES 52 AND 53. PLACED ON DMI FOR NEXT C CHECK OF 600 FH. RETURNED TO SERVICE.
Part: STRUCTURE — DAMAGED (ZONE 400) · airframe 20,632 hrs · 14,635 cycles
LEFT LEADING EDGE OVER PYLON IS CHAFED. REPAIRED IAW SRM 57-49-01 REPAIR 7. MATERIAL USED T024T3 .063"
Part: STRUCTURE — CHAFED (ZONE 400) · airframe 20,632 hrs · 14,635 cycles
RIGHT HAND LEADING EDGE AT PYLON IS CHAFED. REPAIRED IAW SRM 57-49-01 REPAIR 7. MATERIAL USED T024T3.
Part: SEAT TRACK — DAMAGED (ZONE 200) · airframe 20,632 hrs · 14,635 cycles
RIGHT HAND LATERAL SEAT TRACK AT FRAME 34-60 HAS GOUGES AND MISSING PAINT. BLENDED AND FOUND TO BE OUT OF LIMITS. REPLACED SEAT TRACK IAW SRM 51-40-08, RESTORED FINISH.
Part: SEAT TRACK — DAMAGED (ZONE 200) · airframe 20,632 hrs · 14,635 cycles
LEFT HAND SEAT TRACK AT STATION 73-84 GOUGED AND MISSING PAINT. REWORKED AND FOUND TO BE OUT OF LIMITS. REPLACED SEAT TRACK IAW SRM 51-40-08. RESTORED FINISH.
Part: SEAT TRACK — DAMAGED (ZONE 200) · airframe 20,632 hrs · 14,635 cycles
RIGHT HAND SEAT TRACK AT FRAME 44-84 HAS GOUGES AND MARKS AND MISSING PAINT. REWORKED AREA AND FOUND TO BE OUT OF LIMITS. REPLACED SEAT TRACK IAW SRM 51-40-08. RESTORED FINISH.
Part: SEAT TRACK — DAMAGED (ZONE 200) · airframe 20,632 hrs · 14,635 cycles
RIGHT HAND SEAT TRACK AT STATION 60-74 HAS AREAS OF GOUGES AND MISSING PAINT. REWORKED AND FOUND TO BE OUT OF LIMITS. REPLACED SEAT TRACK IAW SRM 51-40-08 RESTORED FINISH.
Part: SEAT TRACK — CORRODED (ZONE 200) · corrosion level 2 · airframe 20,632 hrs · 14,635 cycles
RIGHT HAND SEAT TRACK AT STATION 17-23 HAS CORROSION IN MULTIPLE SPOTS. REMOVED DAMAGED AREAS AND FOUND TO BE OUT OF LIMITS. REPLACED SEAT TRACK IAW SRM 51-40-08 AND RESTORED FINISH.
Part: DOUBLER — CORRODED (ZONE 100) · corrosion level 2 · airframe 20,632 hrs · 14,635 cycles
DOUBLER AT FRAME 16 LBL 11 IS CORRODED. REMOVED DAMAGED AREAS AND FOUND TO BE OUT OF LIMITS. REPAIRED PER ETD 2026-170-006563.
Part: NOT REPORTED — CORRODED (ZONE 100) · corrosion level 2 · airframe 20,632 hrs · 14,635 cycles
FRAME 19 LBL 11 CORROSION AT SCRFW HOLE ON BEAM. AFTER REWORK FOUND TO BE OUT OF LIMITS. REPAIRED AREA IAW ARM 53-10-10-02-01. RESTORED FINISH.
Part: SEAT TRACK — DAMAGED (ZONE 200) · airframe 20,632 hrs · 14,635 cycles
RIGHT HAND LATERAL SEAT TRACK AT FRAME 73-75 HAS TOOLING MARKS DAMAGE FROM PREVIOUS WORK PERFORMED. BLENDED AREA BUT OUT OF LIMITS. REPLACED SEAT TRACK IAW SRM 51-40-08.
Earlier reports · 2018–2025 · 30 reports
2025
Part: AUTOPILOT SYS — FAULTED (ZONE 200) · airframe 19,635 hrs · 13,821 cycles
AUTOPILOT FAILED ON SHORT FINAL WITH AUTOLAND SETUP ON APPROACH. RESULTING IN MISSED APPROACH. LANDING UNEVENTFUL. REMOVED FROM SERVICE. NO FAULTS ON EICAS. INTEROGATED CMC FOUND FAULT CODE 27030348FCS IN HISTORY VIEW. PERFORMED FIM MCN E270027 COMPLETED THROUGH SUB TASK 27-03-00-813-466-A(QX) NO FAULTS TRANSITORY CONDITION OF FLIGHT CTRL SYS. NO FURTHER MAINT ACTION REQUIRED. ALL OPS CHECKS PER FIM CHECKED OKAY. PERFORMED AUTOPILOT OPS TEST PER AMM 22-11-001-710-802-A. OPS TEST GOOD NO DEFECTS NOTED. AIRCRAFT REMAINS CAT III. FLIGHT DECK PLACARD READS CAT III, RETURNED TO SERVICE. NO PARTS REPLACED.
Part: FADEC — MALFUNCTIONED (NR 1 ENGINE) · airframe 18,094 hrs · 13,010 cycles
PER ECMP REQUEST REPLACE THE #1 FADEC WITH POBIT. FADEC REPLACED.
Part: SENSOR — DIRTY (ZONE 100) · airframe 18,510 hrs · 12,872 cycles
FLIGHT 2117. BOTH LAVS WOULD NOT FLUSH DURING FLIGHT. LAV TANK LIGHT INDICATES FULL. DIVERTED AND MADE A UNEVENTFUL LANDING. REMOVED WASTE TANK FULL-LEVEL SENSOR. INSPECTED AND FOUND WASTE-TANK "FULL" LEVEL SENSOR TO BE DIRTY. CLEANED AND REINSTALLED SENSOR IAW E175 AMM 38-32-20-000/400-801-A. INSTALLED NEW O-RING REF MCN E380003-001 ISSUE 1. OPS TEST: GOOD. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.
Part: FADEC — FAULTED (NR 2 ENGINE) · airframe 18,117 hrs · 12,546 cycles
ENG 2 SHORT DISPATCH ADVISORY ON EICAS. REMOVED FROM SERVICE. INTERROGATED CMC FOUND RELATED SHORT DISPATCH F/C:73217422G2A PER GE LMM FAULT ISOLATION TASK 72-00-00-810-808 SUBTASK 72-00-00-810-133 REMOVED AND REPLACED ENGINE 2 FADEC IAW AMM 73-21-01-000/400-801-A OPS CHECKS NORMAL. SHORT DISPATCH CLEARED, NO FURTHER DEFECTS NOTED. A/C OK FOR CONTINUED SERVICE.
Part: FUEL SYS — LEAKING (ZONE 100) · airframe 17,690 hrs · 12,194 cycles
FLIGHT 2069. NOTED POSSIBLE FUEL LEAK IN WING TO FUSELAGE FIARING AREA ABOUT 6" FROM L/H WHEEL WELL FORWARD BULKHEAD. PLACED ON DMI 1087563 TO BE COMPLETED WITHIN 600 HOURS.
2024
Part: LIGHT — INOPERATIVE (ZONE 200) · airframe 17,133 hrs · 11,717 cycles
PILOT REPORTED PHOTOLUMINESCENT INDICATOR STRIP LIGHT AT 1B/2B VARIOUS INOP SPOTS. REMOVED FROM SERVICE. REPLACED LIGHT STRIP. OPERATIONAL CHECKS GOOD RETURNED TO SERVICE.
Part: SLIDE — PARTIAL DEPLOY (MAIN DOOR) · airframe 16,914 hrs · 11,566 cycles
FLIGHT 2250. WHEN RAMPERS OPENED L1 DOOR FROM OUTSIDE, GIRT BAR REMAINED ATTACHED AND SLIDE CAME PART WAY OUT OF BUSTLE REMOVED FROM SERVICE. FERRIED FOR REPAIRS. C/W LIVE DOOR GUIDANCE MCN E250094-0. REMOVED DOOR BUSTLE, GIRT BAR AND SLIDE ASSY IAW AMM 25-65-01-000-801-A. VERIFY DOOR IS CLOSED AND LOCKED AND INDICATES AS SUCH. DOOR LABLEDâINOPERATIVE DO NOT USE FOR EGRESSâ. I HAVE PERFORMED ALL INSPECTIONS AND/OR TESTS AS DETAILED IN PARAGRAPH C OF THIS FERRY PERMIT AND HAVE DETERMINED THAT THE AIRCRAFT IS SAFE FOR FERRY FLIGHT. AIRCRAFT REMAINS OUT OF SERVICE.
Part: KNOB — LOOSE (ZONE 200) · airframe 16,885 hrs · 11,541 cycles
AUTOBRAKE KNOB WON'T STAY IN RTO POSITION (AUTOBRAKE SYSTEM - DEACTIVATED). REMOVED FROM SERVICE. C/W E175 FIM TASK 32-41-00-810-810-A STEP 7. L. (2). REMOVED AND REPLACED THRUST CONTROL QUADRANT ASSY REF E175 AMM TASK 76-11-01-000-801-A AND 76-11-01-400-801-A. OPS CHECK GOOD. PERFORMED MAIN BRAKE AUTO-BRAKE SYSTEM FUNCTIONAL TEST REF E175 AMM TASK 32-41-02-720-801-A. OPS CHECK GOOD. RETURNED TO SERVICE.
Part: SIGN — DAMAGED (ZONE 200) · airframe 16,674 hrs · 11,385 cycles
TRIM PIECE BROKE OFF EXIT SIGN AT L1 DOOR. REMOVED FROM SERVICE. REMOVED AND REPLACED FWD EXIT IDENTIFIER SIGN PER E175 AMM 33-50-15-000/400-801-A. OPS TEST GOOD. RETURNED TO SERVICE.
Part: PRESSURE SWITCH — MALFUNCTIONED (ZONE 700) · airframe 16,030 hrs · 10,879 cycles
EMER/PRKG BRAKE LIGHT ILLUMINATED AFTER BRAKE RELEASE DURING THE PUSH A COUPLE TIMES, BUT THEN WAS NORMAL AFTER SETTING THE BRAKE AFTER THE PUSH, AND AFTER RELEASING THE BRAKE FOR TAKEOFF THRUST, WE GOT A MASTER WARNING "NO TAKEOFF BRAKES", A MASTER CAUTION, AND A CYAN EMER BRAKE FAULT EICAS LIGHT MESSAGE. ABORT WAS AT APPROXIMATELY 40KIAS. ABORTED TAKE OFF. REMOVED FROM SERVICE. INTERROGATED CMC, FOUND FAULT: 3200016UT1 AND 3240005-UT1. PERFORMED FIM 32-41-00-810-864-A ITEM'S 1-7D ON CMC EMER PARK BRK2 PRESS (INBD) STATUS INTERMITTENTLY SWITCHES BETWEEN TRUE AND FALSE WITH EMERGENCY PARKING BRAKE OFF. OUTBD STATUS STAYS CONSTANTLY FALSE. OPENED AND CLOSED PANEL 195AR REMOVED AND REINSTALLED ELECTRICOIL CONNECTOR FOR #2 EMERGENCY PARKING BRAKE PRESSURE SWITCH CLEANED CONNECTOR OAW E175 SWPM 20-61-20 NO HELP. REMOVED & REPLACED #2 EMERGENCY PARKING BRAKE PRESSURE SWITCH IAW E175 AMM TASK 32-44-09-000/400-801-A. OPS TEST GOOD, NO LEAKS NOTED. RETURNED TO SERVICE.
Part: CONTROL QUADRANT — MALFUNCTIONED (THRUST) · airframe 15,682 hrs · 10,606 cycles
PER ENGINEERING REQUEST TCQ REPLACEMENT REG. REMOVED AND REPLACED THUST CONTROL QUADRANT IAW E175 AMM 76-11-01-000/400-801-A. OPS TEST GOOD. AIRCRAFT STATUS REMAINS CAT III QUALIFIED COCKPIT PLACARD READS CAT III MTX CTRL ADVICED.
2023
Part: VALVE — MALFUNCTIONED (ZONE 700) · airframe 14,481 hrs · 9,701 cycles
5 DEGREES BANK ON TAXI, LEFT MAIN STRUT COLLAPSE. REMOVED FROM SERVICE. INSPECTED LEFT MAIN LANDING GEAR STRUT IAW 12-12-07-220-801-A, STRUT LOW. SERVICED LH MAIN LANDING GEAR SHOCK STRUT IAW AMM TASK 12-12-07-600-805-A AS PRECAUTION. R+R LH MLG NITROGEN CHARGING VALVE IAW E175 CMM 32-11-01. PERFORMED LH MLG SHOCK STRUT SERVICING IAW E175 AMM 12-12-07-600-801-A. NO OTHER DEFECTS NOTED. RETURNED TO SERVICE.
Part: FLOOR SUPPORT — CORRODED (ZONE 100) · airframe 13,943 hrs · 9,236 cycles
RH INBD FLOOR SUPPORT CORRODED BETWEEN FRAMES 86-87. REMOVED AND REPLACED RH INBD FLOOR SUPPORT IAW SRM 51-40-08.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 13,943 hrs · 9,236 cycles
CORROSION LH INBD SEAT TRACK CORRODED AS MARKED AT BACK SIDE OF TEATH AND UNDER PROTECTIVE PLATE. PERFORMED A SPLICE REPAIR FR83-84 REF ETD2023-170-023288 REV A.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 12,927 hrs · 8,450 cycles
FO AND FA REPORTS SLIGHT ELECTRICAL BURNING SMELL IN COCKPIT AND FWD GALLEY AFTER LANDING. REMOVED FROM SERVICE. NO ABNORMAL ODOR UPON ARRIVAL AT AIRCRAFT. C/W ODOR INSPECTION TASKS 21-20-00-810-801A AND 25-30-00-810-801A. NO DEFECTS NOTED ANYWHERE ON AIRCRAFT. RETURNED TO SERVICE.
Part: PLACARD — MISSING (ZONE 200) · airframe 12,799 hrs · 8,343 cycles
LI DOOR MISSING 5 EMERGENCY REQUIRED PLACARDS, REMOVED FROM SERVICE. INSTALLED 5 EA REQUIRED PLACARDS PER E-175 IPC 11-32-03 &INTRO SECTION TABLE 13. RETURNED TO SERVICE.
2022
Part: SCISSOR LINK — NONE (NLG) · airframe 12,268 hrs · 7,871 cycles
TUG STRAP FOUND HANGING FROM NOSEGEAR SCISSOR ON TAXI IN. REMOVED TOW STRAP FROM GEAR. PERFORMED AN INSPECTION OF NOSE LANDING GEAR AND DOORS AND SURROUNDING AREA IAW AMM 32-20-00-200-801-A. NO DEFECTS NOTED.
Part: LIGHT — MISSING (CABIN) · airframe 11,789 hrs · 7,482 cycles
FLIGHT ATTENDANT REPORTS PART OF LIGHTING STRIP MISSING ABEAM ROW 12, #1 SIDE. REMOVED FROM SERVICE. PERFORMED GVI OF PHOTOLUMINESCENT STRIP FOR ROW 12 LH SIDE. FOUND STRIP OVERLAPING. REALIGNED STRIP REF E175 AMM 33-50-21-400-801-A. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE. NO PARTS REPLACED.
Part: NONE — FAILED (ZONE 700) · airframe 11,545 hrs · 7,278 cycles
DURING POST FLIGHT, FOUND SEVERE AMOUNT OF TREAD MISSING FROM R/H INBOARD MAIN TIRE. REMOVED FROM SERVICE. REPAIRED ON WO 322442. REPLACED BOTH RH MLG TIRES AND PERFORMED INSPECTION IAW AMM 05-50-15-200-801A. FOUND #2 ENGINE FIRE EXTINGUISHER DISCHARGE TUBE IAW 20-10-03-400-801A, P/N 170-0897-405. RETURNED TO SERVICE.
Part: NONE — LEAKING (#1 ENGINE) · airframe 10,561 hrs · 6,601 cycles
FUEL DRIPPING FROM #1 ENG FUEL PUMP MAIN SEAL DRAIN LINE. REMOVED #1 ENGINE FUEL PUMP REF E175 AMM TASK 73-11-01-000-801-A STEP 1-7 AND GE LMM 73-00-00-800-802 STEPS 1-7, 8 IS N/A AND STEP 9. INSTALLED NEW #1 ENGINE FUEL PUMP REF AMM 73-11-01-400-801-A. OPS AND LEAK CHECKS GOOD.
2021
Part: NONE — NONE · airframe 9,576 hrs · 5,918 cycles
RIGHT MAIN OUTER TIRE SMOKING TEMP GREEN 280. REMOVED FROM SERVICE. PERFORMED GVI OF #4 BRAKE ASSEMBLY. NO DEFECTS NOTED. NO EVIDENCE OF FLUID OR FOD BRAKE WAS WARM TO THE TOUCH NOT HOT. FLIGHT DECK TEMP GAGE STAYED IN GREEN. NO OTHER DEFECTS NOTED. RETURNED TO SERVICE.
Part: WIRE HARNESS — MISROUTED (FUEL QTY) · airframe 8,471 hrs · 5,179 cycles
DURING FQIS HARNESS INSPECTION FOUND INCORRECT ROUTING UNDER PANEL 195AL. CUT ZIPTIES, SEPARATED FQIS FROM ALL OTHER WIRES, SECURED HARNESS IN PANEL 195AL. C/W TC E-28-0007.
Part: UNKNOWN — UNKNOWN (R1 DOOR) · airframe 8,294 hrs · 5,070 cycles
FA REPORTED THAT THE R1 DOOR WAS VERY DIFFICULT TO DISARM. REMOVED FROM SERVICE. INSPECTED GIRT BAR AND ATTACHMENT FITTINGS WITH NO DEFECTS NOTED. VERIFIED R1 DOOR ARMS + DISARMS AS REQUIRED.
2020
Part: MODULE — MALFUNCTIONED (ZONE 200) · airframe 7,231 hrs · 4,461 cycles
SPDA FAIL MESSAGE CYAN COLOR CRUISE FL 34, RAN QRH RETURNED TO FIELD, LANDING UNEVENTFUL. REMOVED FROM SERVICE.UPON ARRIVAL, THE FOLLOWING FAULT CODE WERE RETRIEVED "SPDA 2- 24610016SP2. C/W E175 FIM 24-61-00-810-810-A. SUSPECT FAILURE OF SPDA 2 MICRO/COM SLOT 8. R & R SPDA 2 MICRO/COM SLOT 8, IAW E175 AMM 24-61-07-00/400-801-A. "SPDA FAIL" MESSAGE NO LONGER DISPLAYED ON EICAS. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.
Part: UNKNOWN — ODOR (CABIN) · airframe 7,208 hrs · 4,450 cycles
SMELL OF SMOKE REPORTED BY FA'S BETWEEN ROW 12-15 AND IN THE FORWARD GALLEY. REMOVED FROM SERVICE. UPON ARRIVAL TO A/C ELECTRICAL SMELL HAD DISSIPATED. NO MAINTENANCE MESSAGES. C/W E175 FIM TASK 21-20-00-810-803-A. INSPECTED CABIN AND LAV FOR ANY CONTAMINATION, NONE FOUND. INSPECTED COFFEE MAKERS AND OVENS FOR ANY ABNORMALITIES, NONE FOUND. OPERATED PACKS FROM COLD TO FULL HOT AND BACK TO COOL, NO EVIDENCE OF ELECTRICAL SMELLS DURING PACKS OPERATION, REF AMM 21-51-00-710-801-A. ALSO CABIN LIGHTING WAS ON AND NO ODER NOTED FROM THE LIGHTING. ALSO INSPECTED FWD AVIONICS BAY, NO ODOR OR ELECTRICAL SMELLS NOTED. CREW COMPLETED M-744 CHECKLIST, IAW MCN E210016-3, ISS 1. A/C IS OK FOR SERVICE.
Part: LIGHT — INOPERATIVE (CABIN) · airframe 4,608 hrs · 2,978 cycles
PHOTOLUMINESCENT INDICATOR LIGHT STRIP IN FRONT OF FIRST CLASS SEAT 1ED DOES NOT ILLUM. REPLACED PHOTOLUMINESCENT INDICATOR STRIP IAW E175 AMM 33-50-21-000-801-A AND 33-50-21-400-801-A.
2019
Part: LIGHT — INOPERATIVE (CABIN FLOOR) · airframe 2,408 hrs · 1,536 cycles
PHOTOLUMINESCENT STRIP BETWEEN 1A AND 2A NOT ILLUMINATING. PLACED ON MEL 33-50-21A. CLEARED 4/16/19 REPLACED PHOTOLUMINESCENT STRIP IN REF. TO 33-50-21-000/400-801-A. THIS CLEARS MEL. OPS CHECK GOOD. NO OTHER DEFECTS. RETURNED TO SERVICE.
Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 2,201 hrs · 1,412 cycles
CREW REPORTS ENG 1 AND ENG 2 FIREX BOTTLE B FAIL ON EICAS. REMOVED FROM SERVICE. C/W FIM TASK 26-21-00-810-810-A00. ENG 1 & ENG 2 FIREX BTL B FAIL MESSAGE EXTINGUISHED. PERFORMED ENGINE FIRE DETECTION LOOP OPERATIONAL CHECK IAW AMM TASK #26-11-00-710-802-A OPERATIONAL TESTED GOOD. MESSAGES REMAINED EXTINGUISHED. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE. NO PARTS REPLACED.
Part: WARNING SYSTEM — ACTIVATED (COCKPIT) · airframe 1,640 hrs · 1,088 cycles
BELOW 1000 FT AGL BLEED 1 OVER PRESS MASTER CAUTION EICAS MSG ILLUMINATED CABIN ALT CONT CLIMB EVEN THOUGH (400 FPM) A/C ALT STABILIZED AT 15000. CABIN ALT STABILIZED AT 7300. CREW EXPERIENCED SIGNS OF HYPOXIA. ALSO PACK 1 AND 2 OFF ADU EICAS MESSAGE AND AUTO THROTTLES DISCONNECTED ON CLIMB OUT. RETURNED TO FIELD. LANDING UNEVENTFUL. REMOVED FROM SERVICE. PERFORMED PRESSURIZATION LEAKAGE FUNCTIONAL TEST IAW E-175 AMM TASK 21-31-00-720-802-A. FUNCTIONAL TEST PASS. NO FURTHER DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.
2018
Part: MECHANISM — LACK OF LUBE (CABIN DOOR) · airframe 652 hrs · 456 cycles
MAIN CABIN DOOR DIFFICULT TO OPEN FROM OUTSIDE. REMOVED FROM SERVICE. OPENED AND CLOSED MCD MULTIPLE TIMES AND FOUND TO BE SLIGHTLY STIFF. LUBED OUTSIDE DOOR MECHANISM. STIFFNESS GONE. OPERATIONS NORMAL. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.