N644QX
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
ELECTRICAL ODOR IN CABIN. FOUND ELECTRICAL CIRCUIT BREAKER TRIP LT RECIRC FAN LICC OUT. DEACTIVATED AND PLACED ON MEL 23-24-01A.
FLIGHT 2351. "IDG 1 OFF BUS" EICAS MESSAGE IN FLIGHT. RAN CHECKLIST AND TURNED IDG OFF. DIVERTED AND ACCOMPLISHED UNEVENTFUL LANDING. REMOVED FROM SERVICE. INTERROGATED CMC, FOUND FAULT CODE 24210002GU1. PERFORMED FIM 24-21-00-810-803-A AND REPLACED GCU1 IAW AMM TASK 24-21-19-000/400-801-A. OPS CHECK PASSED. PERFORMED ENGINE RUNS WITH CREW AND IDG 1 OR FAILED OPS CHECK REF AMM TASK 24-21-01-710-801-A. "IDG 1 OFF BUS" REMAINED ON EICAS PLACING IDG 1 ON MEL 24-21-0. MEL CLEARED 5/5 BY RECONNECTED IDG 1 IAW AMM 24-21-840-801-A, OPS TEST FAILED. "IDG 1 OFF BUS" REMAINS ON EICAS. REPLACED IDG 1 IAW AMM 24-21-01-000/400-801-A. PERFORMED OPS TEST OF IDG 1, OPS TEST GOOD. "IDG 1 OFF BUS" NO LONGER SHOWS ON EICAS. NFDN. PLACARDS REMOVED, MTX CONTROL NOTIFIED. THIS CLEARS MEL. RETURNED TO SERVICE.
FLIGHT 2177. CKPT, FWD, AFT CABIN TEMP UNABLE TO BE CONTROLLED. BOTH HOT & COLD AIR. TEMP VALUES (ACTUAL) FLICKERING VALUES BTWN SUB 10 DEGREES C, & ABOVE 20 DEGREES C. BLEED PRESSURES NORMAL. DIVERTED & ACCOMP UNEVENTFUL LANDING. REMOVED FROM SERVICE. INTERROGATED CMC, NO FAULT CODES FOUND. PERFORMED COCKPIT TEMP CONTROL OPS TEST IAW AMM 21-61-00-710-801-A. PERFORMED PAX CABIN TEMP CONTROL OPS TEST IAW AMM 21-62-00-710-801-A. BOTH OPS TESTED GOOD. FOR FURTHER TROUBLESHOOTING, PERFORMED BOTH COCKPIT & PAX CABIN TEMP CONTROL TESTS USING ENGS AS PNEUMATIC SOURCE, OPS TESTED GOOD. TEMP VALUES (ACTUAL) ON ECS SYNOPTICS PAGE ON MFD DID NOT FLUCTUATE OR FLICKER DURING TESTS. COULD NOT DUPLICATE. RETURNED TO SERVICE. NO PARTS REPLACED.
WHILE PERFORMING TASK CARD E175-33-50-01-720-801-A FOUND SIX EMERGENCY LIGHTS WENT OUT BEFORE 15 MINUTES. REPLACED THE ELPU BATTERY IAW AMM 33-50-01-000-802-A AND 33-50-01-400-802-A. LIGHTS WERE ON MORE THEN 15 MINUTES. TEST PASSED.
FLIGHT 2249. REJECTED TAKEOFF V1 -15 APPROX DUE TO YD OFF EICASS MESSAGE THEN RUDDER FAULT CAUTION. RETURNED TO GATE AND REMOVED FROM SERVICE. INTERROGATED CMC AND FOUND FAULT CODES 27030422FCS, 27030423FCS, 22100010YA1, 22100010YA2, 22100010YB2, 22100010YB1. C/W HIGH ENERGY STOP INSPECTION IAW E175 AMM 05-50-12-200-801-A. NDN. A/C CLEAR FOR RTS.
FLIGHT 2060. #1 THOTTLE LEVER IS CRACKED AND PIECES ARE FALLING OFF. REMOVED FROM SERVICE. REMOVED AND REPLACED THRUST CONTROL QUADRANT ASSEMBLY. REF E175 AMM TASK 76-11-01-000/400-801-A. ALL OP'S CHECKS GOOD. A/C REMAINS CAT III. CATAGORY STATUS PLACARD READS CAT III. MTX CONTROL HAS BEEN ADVISED. RETURNED TO SERVICE.
WORK ORDER 348091. THROTTLE QUADRANT REPLACED BY TECHNICAL ORDER DUE TO AHEAD MESSAGES.
FA SAYS FWD SERVICE DOOR R1 ARM/DISARM LATCH IS HARD TO ENGAGE AND DISSENGAGE. REMOVED FROM SERVICE. REMOVED R1 DOOR BUSTLE & INSTLD SAFTEY PINS IAW AMM 52-00-23-900-801-A STEP 6&8. ADJ AFT FLOOR FITTING INBD. (REFAMM 52-41-00-820-801-A STEPS 9.T, 10.K) REMOVED SAFTEY PINS & INSTLD BUSTLE IAW AMM 52-00-23-900-801-A STEP 7 & 9. NFDN. NO PARTS REPLACED. RETURNED TO SERVICE.
RAMP REPORTS ODOR IN CABIN. REMOVED FROM SERVICE. ODOR SEEMED TO BE LIKE A WILDFIRE OR BURNING WOOD SMOKY SMELL. ODOR DISSIPATED AFTER SEVERAL MINUTES WITH DOORS OPEN. COMPLIED WITH ODOR/SMELL CHECKLIST. ALSO, COMPLIED WITH FIM 21-20-00-810-801A. NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.
BLEED 1 OVERPRES ON T/O. RETURNED TO FIELD. LANDING UNEVENTFUL. C/W E-175 FIM TASK 36-11-00-810-811-A STEPS 1-6H NOTED F/C 36111210AM1 CH 1 EC 3239 5-26-24.C/W E175 FIM 36-11-00-810-811-A STEP 6 H AND I.(1)(A) AMS DRIVE MODULE 20 REMOVED AND REPLACED REF E175 AMM 21-00-02-000/400-801-A. OPS CHECK GOOD, C/W AIR LEED SYSTEM OPS TEST FOR #1 BLEED REF. E175 AMM 36-00-00-710-801-A. BLEED 1 OVERPRESS/BLEED 1 FAIL DID NOT RETURN. BLEED 2 SWITCH WAS PLACED BACK IN MEL CONFIG. FOR DEFECT 1063982.
DURING CRUES FLT @ FL310 HYD 3 LO QTY EICAS ADV LIGHT ILLUMINATED HYD 3 QTY WAS @ 18% THEN DECREASED TO 14%, THEN BACK TO 16%. REMAINED AT 16% TIL LANDING. AFTER LANDING HYD 3 LO QTY MSG EXTINGUISHED AND NYD 3 QTY WENT UP TO 28%. REMOVED FROM SERVICE. REF W/O 341270 N/R -00001 FOR REPLACEMENT OF #3A HYD PUMP OPS CHECK GOOD NO LEAK NOTED. RETURNED TO SERVICE.
FWD SERVICE DOOR ESCAPE SLIDE MECHANISM CABLE CASING IS SEPARATED AT UPPER END. REPAIRED FWD SERVICE DOOR ESCAPE SLIDE MECHANISM CABLE CASING AT UPPER END. REF HORIZON COC AMM 52-41-40. REF AMM 52-41-00.
FWD SERVICE DOOR AFT SLIDE FITTING FLAP IS BINDING. REMOVED AND REPLACED FWD SERVICE DOOR AFT SLIDE FLOOR FITTING SPRING. REF AMM 53-10-25.
FWD SERVICE DOOR FWD SLIDE FITTING SPRING IS BROKEN. REMOVED AND REPLACED FWD SERVICE DOOR FWD SLIDE FLOOR FITTING SPRING. REF AMM 53-10-25.
BIRD STRIKE ON NOSE DURING T.O. ROLL. REJECTED T.O. SPEED WAS ABOUT 110 KNOTS, NO EICAS BRAKE TEMP MESSAGES. ABORTED TAKE OFF. REMOVED FROM SERVICE. C/W 05-50-02-200-801-A BIRD STRIKE INSP. FOUND 1 IMPACT AREA ON R/H SIDE OF NOSE. REMOVED SNARGE. NO DEFECTS NOTED. C/W 05-50-12-200-801-A HIGH ENERGY STOP INSP. NO DEFECTS NOTED. RETURNED TO SERVICE.
FORWARD SERVICE DOOR AFT EVACUATION SLIDE FITTING FLAP NOT RETURNED TO UPRIGHT POSITION WITH DOOR OPENED. REMOVED FWD SERVICE DOOR AFT EVACUATION SLIDE FITTING REF E175 AMM TASK 53-10-25-000-801-A. INSTALLED NEW FWD SERVICE DOOR AFT EVACUATION SLIDE FITTING REF E175 AMM TASK 53-10-25-400-801-A.
PAX AND FAS REPORTED STRONGER SMELL ROWS 14-19. SMELL LASTED FOR 5 MIN. AND THEN DISAPPATED. PERFORMED E175 FIM 21-20-00-810-801-A FOR ANY ABNORMAL SMELL. NO ABNORMAL SMELL. PER FIM STEP 5. AU. (2). -(35489) C/W WO 331337, COMPLETED FORM M-744 FOR ODORS/SMELLS. PERFORMED ENGINE RUN. NO ABNORMAL SMELL NOTED. NO DEFECTS NOTED. RETURNED TO SERVICE.
2 SMALL DENTS FOUND ON RIGHT WIND INBOARD LEADING EDGE SLAT. REMOVED FROM SERVICE. FOUND TWO DENTS ON THE RHIB SLAT LEADING EDGE THAT ARE 2.15" APART. OB DENT: 0.258 X 0.425" DEPTH 0.015" IB DENT: 0.235 X 0.91, DEPTH 0.02". DENTS ARE 28.5" INBOARD FROM THE OUTBOARD EDGE, 5.75" FROM THE BOTTOM EDGE OF THE LEADING EDGE. DENTS ARE OUT OF LIMITS OF E175 SRM 57-41-01-01-02. C/W ETD 2022-170-016911/1 AND SRM 57-41-01. DENTS WERE FILLED USING OPTION 1 ON ETD. TEMP ALLOWANCE AND REPETITIVE INSPECTIONS ARE BEING TRACKED VIA QX ENGINEERING PER ETD. RETURNED TO SERVICE.
FORWARD LOWER EMERGENCY EXIT LIGHT TRIM BROKEN. REMOVED FROM SERVICE. RESECURED FORWARD LOWER EMERGENCY EXIT LIGHT TRIM. NO OTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.
ON BOTH SIDES OF THE AIRCRAFT BELOW SEAM LINE IN PAINT UNDERNEATH DIRECT VIEW WINDOW ONE GETS SHOCKED WHEN TOUCHING THE SKIN OF THE AIRCRAFT. REMOVED FROM SERVICE. PERFORMED VISUAL INSPECTION OF THE STATIC DISCHARGERS PER E175 AMM TASK 23-61-00-210-801A, NO DEFECTS NOTED. DISCONNECTED MAIN BATTERY 1 PER TASK 24-36-01-000-801-A, PROBLEM STILL EXIST. REF NEXT LOG PAGE FOR DISCREPANCY #1 MAIN BATTERY DISCONNECTED. GROUNDED AIRCRAFT PER E175 AMM TASK 20-40-02 ON ON ALL GROUNDING POINTS AND REPLACED GPU WITH A DIFFERENT ONE. RECONNECTED #1 MAIN BATTERY AND SAFETIED, PERFORMED OPS TEST OF THE MAIN BATTERY, OPS CHECK GOOD REF. E175 AMM TASK 24-36-01-400-801A PROBLEM RESOLVED, NO SHOCKING FELT ANYWHERE. RETURNED TO SERVICE.
SECTION OF PHOTLUMINESCENT STRIP MISSING. REMOVED FROM SERVICE. PHOTLUMINESCENT SECTION NOT MISSING. ADJUSTED PHOTOLUMINESCENT STRIP TO WEAR IT IS NOW OKAY FOR SERVICE. NO OTHER DEFECT. RETURNED TO SERVICE.
FLIGHT DECK DOOR HARD TO OPEN. REMOVED FROM SERVICE. PERFORMED FUNCTIONAL CHECK OF FLIGHT DECK DOOR. IAW E175 AMM 52-51-01-720-801-A. FUNCTIONAL CHECK GOOD, DOOR OPERATES NORMALLY, NO FURTHER DEFECTS NOTED.
FLIGHT DECK DOOR VERY DIFFICULT TO OPEN FROM THE INSIDE THE FLIGHT DECK AND NEARLY IMPOSSIBLE F/O OPEN FROM OUTSIDE THE FLIGHT DECK WITH DOOR IN UNLOCK POSITION. REMOVED FROM SERVICE. INSPECTED FLIGHT DECK DOOR NO DEFECTS NOTED. DOOR OPENS AND CLOSES NORMALLY. AIRCRAFT OK FOR SERVICE.
APPROACHING 28L SFO CALLED FOR FLAPS 2. SLAT FAIL MESSAGE, MISSED APPROACH RAN QRH AND LANDED. REMOVED FROM SERVICE. C/W E175 FIM TASK 27-81-00-810-805-A. TRANSITORY CONDITION OF SLAT/FLAP ACE UNIT 1 AND 2. PERFORMED OPS TEST IAW E175 AMM TASK 27-80-00-710-801-A. FAULTS DID NOT RETURN. NO FURTHER DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.
ODOR IN CABIN REPORTED BY FA/PASSENGERS. NOT SMOKE OR ELECTRICAL ODOR. REMOVED FROM SERVICE. ODOR DESCRIBED AS A OLD DIRTY / STALE FISH SMELL. MOST NOTED IN THE FIRST CLASS SECTION. C/W AIR CONTAMINATION CHECK LIST, FORM M-744. INSPECTED CARGO COMPARTMENTS, NO SMELLS NOTED. CLEANING CREW CLEANED CABIN, HOOKED UP PCA, SMELL HARDLY NOTED NOW. A/C OK FOR SERVICE. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.
DURING ORIGINATING FLOW CHECKS, EMERGENCY LIGHT COCKPIT, R1 DOOR AND FORWARD EXIT SIGN FLASH INSTEAD OF REMAIN ON STEADY DURING TEST. ALSO EICAS CYAN EMERR LT BATT FAULT. REMOVED FROM SERVICE. F.C. 33500001UT1 "EMER LT BATT FAULT" FWD R/H IN CMC. REF E175 FIM TASK 33-50-00-810-801-A STEPS 1-7.L.ON WING EMER LT PWR UNIT BATT (FULL CHARGE) & SYSTEM RESETS NO HELP. R&R EMER LT PWR UNIT BATT #1/ FWD RH REF E175 AMM TASKS 33-50-01-000/400-802-A. ALL OPS TESTS ARE GOOD. EMER LT TESTS NOW NORMAL. NO EICAS OR MAINT MESSAGES. NO FURTHER ACTION REQUIRED. AIRCRAFT RETURNED TO SERVICE.
DURING A CHECK FOUND THE AFT SPOILER CONTROL MODULE WIRE HARNESS ROUTED WITH THE FUEL QUANTITY INDICATION HARNESS. RE-ROUTED THE FUEL QUANTITY HARNESS FROM AFT SPOILER CONTROL MODULE TO JUST INSIDE OF THE WHEEL WELL PER THE E175 WIRING MANUAL SWPM 20-45-30 AND AMM 28-41-06-400-801-A.
THROTTLES DO NOT MOVE FORWARD OF AFT SMOOTHLY REQUIRE EXTRA FORCE TO MOVE. REMOVED FROM SERVICE. CONDUCTED TCQ LEVER TEST, FOUND FAULTS FOR INVALID ARINC DATA AND FET FEED BACK FAULT ON AT 1 CHANNEL. REMOVED AND REPLACED TCQ ASSEMBLY REF AMM 76-11-01. RE-RAN TEST. NO FAULTS NOTED. REF 22-31-00. CONDUCTED TR FUNCTIONAL TEST AMM 78-30-01. OPS NORMAL. OK FOR SERVICE. AIRCRAFT RETURNED TO SERVICE.
ON DESCENT, RECEIVED "AT FAIL" ALSO HAD AMBER DASHES ON FMS SPEED BUG AND PERF-VNAV UNAVAILABLE ON MCDU. AUTOPILOT WOULD NOT CAPTURE VNAV PATH. WHEN AFCS SPEED IS SWITCHED TO MANUAL, AUTO THROTTLE WORKS FINE. REMOVED FROM SERVICE. FOUND FAULTS 22310019TA2 AND TA1, REF TO FIM 22-31-00-810-817-A AND 22-31-00-810-859 FOR SPEED TARGET AT ENGAGEMENT. NO MTX PROCEDURE NECESSARY. PERFORMED FIM 22-11-00-811-953-A ITEMS 1-6D(1)(A) FOR FC 22110019FB2, 22-11-00-811-914-A ITEM 1-6D(1)(A) FOR FC 22110019FB1, RESET OF MODULE PASSED. PERFORMED FIM 22-11-00-811-875 ITEM 1-6D(1)(A) FOR FC 22110019FA2, PERFORMED FIM 22-11-00-811-836-A ITEM 1-6(1)(A) FOR FAULT CODE 22110019FA1, RESET MODULE PASSED. RETURNED TO SERVICE.
FA REPORTS R2 DIFFICULT TO ARM. REMOVED FROM SERVICE. PERFORMED INSPECTION OF R2 DOOR, IAW E175 FIM TASK 52-42-00-810-808-A, STEP 5A. CLEANED DEBRIS FROM GIRT BAR FITTING. R2 DOOR OPERATES NORMALLY. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.
LANDING GEAR ALT DOOR HARD TO OPEN ,NOW NOT CLOSING AND LATCHING. REMOVED FROM SERVICE. CLEANED LATCH MECHANISM.OPS CHECKS GOOD.DOOR CLOSES & OPENS GOOD. RETURNED TO SERVICE.
FLIGHT DECK DOOR DID NOT OPEN AFTER CONDUCTING TEST DURING ORIGINATING CHECKLIST/FLOW. TEST BUTTON PUSHED, WORKED PROPERLY; EMER ENTRY PUSH BUTTON IN PASSENGER CABIN PUSHED, INHIB PUSHED AND RED LED ILLUMINATED; EMER ENTRY BUTTON PUSHED AGAIN, GREEN LED DID NOT ILLUMINATED, NOR DID THE DOOR UNLOCK AFTER THREE CYCLES. DOOR REMAINED LOCKED UNTIL THE LOCK BUTTON WAS PUSHED TO OPEN DOOR. ( FLIGHTDECK SECURITY DOOR AUTOMATIC LOCKING SYSTEM ). REMOVED FROM SERVICE. R+R COCKPIT DOOR LOCK REF E175 AMM TASK 52-51-03-000/400-801-A OPS CHECK GOOD. NO FURTHER DEFECTS. CB RESET PLACARDS REMOVED AND MTX CONTROL NOTIFIED. AIRCRAFT RETURNED TO SERVICE.
SLAT/FLAP FAIL. SPEED BRAKE FAIL. AOA LMIT FAIL. SHARE ANTICIPATED. FLIGHT DIVERTED. EMERGENCY DECLARED. LANDING UNEVENTFUL. REMOVED FROM SERVICE. C/W E175 SLAT/FLAP MISMATCH FIM TASK 27-36-00-810-826-A STEP 6 (A)(B), RESET MAU'S PERFORMED INHIBIT. CLEARING IAW AMM SUBTASK 27-80-00-820-000-A. SLAT/FLAP FAIL EXTINGUISHED. ALL OTHER MESSAGES SPEED BRAKE FAIL, AOA LIMIT FAIL ALSO EXTINGUISHED (CASCADE FAULTS). PERFORMED SLAT CONTROL SYS. OPS CHECK IAW AMM 27-50-00-710-801A AND FLAP CONTROL SYSTEM IAW TASK 27-50-00-710-801A. FOUND FAULT CODE 27811013ACE. ( L WING OUTBD SLAT PANEL SKEW ) FAI; PERFORMED FIM TASK REF 27-81-00-810-805-A. INSPECTION FOUND SKEW SENSOR 3/4 ON LEFT WING FUSABLE LINK BROKEN. REPLACED LT SKEW SENSOR 3/4 REF AMM TASK 27-83-01-000-801-A AND 27-83-01-400-801-A. MECHANICAL RIG OF SLATS CHECKS GOOD. RAN SLATS / FLAPS UP AND DOWN NUMEROUS TIMES, OPS CHECKS GOOD. NO DEFECTS NOTED. NO ASSOCIATED CAS MESSAGES APPEARED. AIRCRAFT RETURNED TO SERVICE.
SELECTED FLAPS 1 SLAT FAIL MESSAGE ON EICAS RAN CHECK LIST WERE ABLE TO SELECT FLAPS 2 NO MOVEMENT FROM SLATS LANDED FLAPS 2. FIRE RESCUE TRUCKS CALLED BUT NOT NEEDED. UNEVENTFUL. REMOVED FROM SERVICE. REPLACED LH OUTBD SLAT SKEW SENSOR. RIGGING AND OPS CHECK. ALL EICAS MSG CLEARED, RETURNED TO SERVICE.
WHILE TRANSITIONING TO FLAPS 1, SLAT FAIL, SHAKER ANTICIPATED, AT FAILED, AOA LIMIT FAIL CAUTION LIGHTS ALL ILLUMINATED. AFTER CHECKLIST WERE COMPLETED SLAT FAIL LIGHT STAYED ILLUMINATED. FLAP 0 LANDING PERFORMED. UNEVENTFUL. INTERROGATED CMC FOUND L WING OUTBOARD SLAT PANEL SKEW FAULT 27811013ACE. REF FIM 27-81-00-810-805A STEPS 1-6F(2), 6AK-AL. LOWERED SLATS/ FLAPS. PERFORMED GVI OF THE SLATS/ FLAPS, AND FOUND THE LT WING OB SLAT SKEW SENSOR BROKEN. R+R LT WING OUTBOARD 3/4 SLAT SKEW SENSOR IAW AMM 27-83-01-000-801A/400-801A. OPS TEST GOOD. RAN SLATS / FLAPS MULTIPLE TIMES, NO FURTHER DEFECTS. C/W FIM 22-31-00-810-906-A, 27-36-00-810-824-A, 27-36-00-810-858-A, 27-36-00-810-841-A, 27-36-00-810-875-A, 27-36-00-810-826-A, 27-36-00-810-860-A, 27-36-00-810-843-A, 27-36-00-810-877-A, 27-36-00-810-825-A, 27-36-00-810-859-A, 27-36-00-810-842-A, 27-36-00-810-876-A, AND 27-03-00-810-89L-A. NO RELATED OR ACTIVE FAULTS OR MESSAGES. NO FURTHER DEFCT NOTED AT THIS TIME. RETURNED TO SERVICE.
SMELL OF BURNING FOOD AFTER LANDING. FA DID NOT USE THE OVEN DURING THE FLIGHT. SMELL DISSAPATED AFTER ENGINE SHUT DOWN. FLIGHT CREW ADVISED SUSPECTED BURN COFFEE ODER. PREFORMED E175 FIM TASK 25-30-00-810-801A. NO DEFECTS FOUND. NO ODER DETECTED. INTERIGATED CMC, NO RELATED FAULT CODES FOUND. COULD NOT DUPLICATE. RETURNED TO SERVICE. NO PARTS REPLACED.