N663QX
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
FLIGHT 2410. BELOW ACELL HT CYAN MSG HYD2 ELEC PUMP FAIL MESSAGE WENT AWAY WHEN FLAPS 1 SELECTED ON APPROACH MESSAGE REAPPEARED FOLLOWED CHECKLIST NO MALFUNCTION NOTED. SHUT ENGINE #2 DOWN & GOT HYD#2 LO PRESS CAUTION. REMOVED FROM SERVICE. INTERROGATED CMC FOUND FAULT CODES 293100032UT1, 29310034UT1. PERFORMED FIMS 29-31-00-810-821-A STEPS 1-7H(2). (NA ITEMS 7C-E). NO HELP. AND FIM 29-10-00-810-808-A STEPS 1-7C PARTIAL SUCCESS. HYD SYSTEM SHOWS MORE THAN 2400, BUT ACMP 2B OUTLINE IS NOT IN GREEN, PUMP IS RUNNING. SAME RESULTS AFTER POWER CYCLE. . CONTINUED TROUBLESHOOTING PER FIM 29-31-00-810-821-A. PER STEP 7L VERIFIED #2 HYD PRESSURE SWITCH AT FAULT. R&R #2 ACMP PRESSURE SWITCH PER AMM 29-31-04-000-801-A/-400-801-A. OPS CHECK GOOD DISCREPANCEIES DID NOT RETURN. AIRCRAFT IS OKAY FOR CONTINUED SERVICE. NO LEAKS NOTED. CDCCL INSP C/W PER AMM 28-41-00-210-801-A. RETURNED TO SERVICE.
" EMER LT BATT FAULT" STAUS MSG. REMOVED FROM SERVICE. INTERROGATED CMC AND FOUND F/C 33500004UT1. PERFORMED OPERATIONAL TEST OF RH OB EMERGANCY LIGHT POWER UNIT. TEST INDICATES BATTERY REQUIRES REPLACMENT.. REPLACED BATTERY PER AMM 33-50-01-000/400-802-A AND REPLACED ELPU PER AMM 33-50-01-000/400-801-A. AFTER BATT CHARGED FAULT NO LONGER PRESENT. A/C OK FOR CONTINUED SERVICE.
FUEL 2 FEED FAULT MESSAGE DISPLAYED ON EICAS ON TAKE OFF ROLL. REJECTED TAKEOFF. REMOVED FROM SERVICE. INFO ONLY, RESET FUEL FEED 2 FAULT IAW E175 AOM V. 1 PAGE 3.8.25 AS DIRECTED BY CONTROLLER 1034390 AND GPM 8.2.2.4 SYSTEM RESTORED.RETURNED TO SERVICE.
FLIGHT 2273. THE FIRST TWO SECTIONS IN FIRST CLASS OF PHOTOLUMINESCENT STRIPS HAVE STOPPED WORKING. REMOVED FROM SERVICE. REPLACED PHOTOLUMINESCENT STRIPS FOR SEATS 1/2 A IAW AMM 33-50-21-000/400-801-A. OPS CHECKED GOOD. PHOTOLUMINESCENTS STRIPS ILLUMINATE NORMAL. A/C OK FOR SERVICE.
FLIGHT 2204. MAIN CABIN DOOR ARMING LEVER DID NOT SIT FLUSH WITH VENT FLAP LEVER ON DOOR CLOSURE. INDICATORS NORMAL, BUT ABNORMAL LEVER SEATING. REMOVED FROM SERVICE. FOUND SPRING DISCONNECTED ON VISUAL LOCK INDICATOR FOR ARM/ DISARM LEVER. FORWARD PAX DOOR LINER ( UPPER) REMOVED TO FOM, REF AMM 25-23-04-000-801-A. FORWARD PAX DOOR SEAL AND SEAL RETAINERS REMOVED TO FOM. REF AMM 25-23-08-000-801-A. BGOOD 1013645 12/31/25. REPLACED WASHER, SPRING, LOCK, REF AMM 52-11-22-400-802-A STEP1-6G, NO HELP. FOUND ARM/DISARM INDICATOR OUT OF RIG AND CONTACTING AIRFRAME, ADJUSTED ARM/DISARM INDICATOR PER AMM 52-11-00-820-801-A STEP 9.V., MCN E520141-01 ISSUE #1, AND MCN E520147-01 ISSUE #1. REINSTALLED FWD PAX DOOR UPPER LINER REF AMM 25-23-04-400-801-A, AND REINSTALLED FWD PAX DOOR SEAL AND RETAINERS REF AMM 25-23-08-400-801-A, ARMING LEVER SITS FLUSH WITH VENT FLAP LEVER, NO FURTHER DEFECTS NOTED.
FLIGHT 2364. A-I ENG 1 FAIL CAUTION AT CRUISE. NO ECS SELECTED ON TAKEOFF. RAN CHECKLIST. DID NOT RESOLVE. RETURNED TO FIELD AND ACCOMPLISHED UNEVENTFUL LANDING. REMOVED FROM SERVICE. VERIFIED FAULT ON EICAS. FAULT CODE 30210004011 ACTIVE. PERFORMED FIM TASK 30-21-00-810-804 UP TO STEP 7C. PERFORMED EAI PRESSURE TRANDUCER OPS TEST AMM 30-21-02-710-801-A UP TO STEP 5A1. FAULT IS REMOVED. ENGINE RUNS NEEDED TO CONTINUE TROUBLESHOOTING. PER MAINTENANCE REQUEST, REMOVED AND REPLACED THE #1 ENGINE ANTI ICE PRESSURE TRANSDUCER IAW E175 AMM TASK 30-21-02-000-801-A/400-801-A. OPERATIONAL TEST GOOD. NO FURTHER DEFECTS NOTED. PART REPLACED AS PRECAUTIONARY MEASURE. RETURNED TO SERVICE.
FLIGHT 2349. AFTER CHECKING THE SAFETY AND POWER UP CHECKLIST REMOTE CB TRIP "FAN 1 EBAY MID". ALONG WITH ELECTRICAL SMELL. REMOVED FROM SERVICE. REMOVED AND REPLACED MID EBAY #1 AVIONICS COOLING FAN IAW AMM TASK 21-26-400-801-A. OPS TEST GOOD. FAN 1 EBAY MID MESSAGE DID NOT DISPLAY FAN REMOVED IAW AMM TASK 21-26-04-000-801-A. C/B RESET IAW GPM 9.2.2
AFT SERVICE DOOR "DISARMED" DOES NOT SHOW COMPLETELY IN VIEWING PORT. REMOVED FROM SERVICE.REMOVED AFT SERVICE DOOR MAIN LINER REF E175 AMM TASK 25-23-07-000-801-A STEP H. FOUND FORWARD ATTACHING SPRING HAD FALLEN OFF. REINSTALLED ATTACHING SPRING REF E175 AMM TASK 52-42-22-400-802-A. REINSTALLED R2 DOOR MAIN LINER REF E175 AMM TASK 25-23-05-400-801-A. OPS CHECK GOOD. RETURNED TO SERVICE. NO PARTS REPLACED.
REJECTED TAKE OFF AT ROUGHLY 100 KNOTTS FO MAY HAVE ADVANCED THROTTLE A HAIR TOO FAR. REMOVED FROM SERVICE. NO SIGNS OF HIGH ENERGY STOP OR ANY SIGNS OF TIRE DAMAGE - REF AMM 05-50-12-200-801-A 1(B). FOUND LEAKING MLG STRUT ON INSPECTION AT LEFT SIDE. C/W MCN 320113-1 ISSUE 1 A-C NO LEAKAGE NOTED AFTER SERVICING. NO PARTS REPLACED. RETURNED TO SERVICE.
AT CRUISE, HYD 3 LO QTY MESSAGE ON EICAS. HYD SYNOPTIC PAGE INDICATED ~16% QTY, SLOWLY DEPLETING. INDICATION REACHED 0% IN ~15 MIN. SHORTLY AFTER LANDING. ASSOCIATED HYD 3 LO PRESS MESSAGE ON EICAS, COMPLETED HYD 3 LO PRESS CHECKLIST AND QTY RETURNED TO ~12%. REMOVED FROM SERVICE. FOUND #3 HYDRAULIC SYSTEM FLOW LIMITER VALVE TO BE LEAKING. REMOVED AND REPLACED FLOW LIMITER VALVE REF E175 AMM 29-12-19-000/400-801-A. SERVICED #3 HYDRAULIC SYSTEM REF E175 AMM 12-12-01-600-802-A AND BLED #3 HYDRAULIC SYSTEM REF E175 AMM 29-10-00-870-803-A. LEAK CHECK GOOD. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.
ORIGINAL SUBMISSION DATE: 8/6/2024: ENROUTE, DURING DESCENT ENTIRE CREW (CA, FO, FA'S) NOTICED VIBRATION WITH NO ASSOCIATED ANNUNCIATONS. SHORTLY AFTER EICAS MSG, HYD 2 LOW QTY. BROUGHT UP HYD SYS PAGE & NOTE RAPID DEPLETION OF HYD QTY. SHORTLY, GOT EICAS MSG HYD 2 LO PRESS. RAN QRH HYD 2 LO PRESS, LOSS OF HYD SYS 2 CHKLIST. ATTEMPTED TO LOWER GEAR, DUE TO LOSS OF #2 HYD SYS, GEAR DID NOT COME DOWN. THEN RAN ABNORMAL MLG CHECKLIST. PERFORMED ALTERNATE GEAR EXTENSION. VIOLENT NOSE WHEEL SHIPPY & VIBRATION ON LANDING ALONG WITH SMOKE AS NOTED BY FIRE/RESCUE. ACFT REMOVED FROM SERVICE. FOUND MECHANICAL HYD 2 RESERVOIR INDICATOR AT 0 QUANTITY. FOUND HYD SYS 2 COMPONENTS WET WITH FLUID FROM AFT ACCUMULATOR TO #2 WHEEL WELL. SYS #2 UNABLE TO HOLD FLUID WHILE #2 ENGINE HYD PUMP (EDP) CASE DRAIN EXPELLING FLUID ONTO RAMP. REF WORK ORDER 343460 FOR REQUIRED AMM INSPECTIONS IAW MM 05-50-23-200-801-A, 05-50-23-802-A & REPLACEMENT OF #2 EDP. REF WORK ORDER 343460 FOR CORRECTION OF LEAK AT #2 HYD SYS PUMP PRESSURE LINE AT RT WING REAR SPAR ABOVE MLG. REPLACED DAMAGED NOSE TIRES & REPLACED NLG STRUT AS A PRECAUTION. RETURNED TO SERVICE.