N602QX

Part: WARNING MESSAGE — FALSE ACTIVATION · airframe 15,624 hrs · 11,304 cycles

DEN - RECEIVED A PITCH FEEL CAUTION AND A SSCU 1 FAULT STATUS MESSAGE. RETURNED TO THE FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. MAINTENANCE COMPLIED WITH FIM TASK 27-31-00-810-804-A01 AND 27-61-05-810-825-A01. FAULT DID NOT COME BACK. CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: PCU — MALFUNCTIONED (ELEVATOR) · airframe 15,493 hrs · 11,215 cycles

DEN - FLIGHT CREW NOTICED A LAG IN THE PITCH CONTROL FROM NEUTRAL TO AFT 1-1.5". WORSE AT LOW SPEEDS, WITH FLAPS AND GEAR DOWN ALMOST 3" OF PLAY, PULLS THROUGH NEUTRAL WITH BUMPS AND A LAG. MAINTENANCE REPLACED ALL THREE LEFT ELEVATOR PCU'S AND ADJUSTED THE ELEVATOR POSITION INDICATOR. COMPLIED WITH PCU RIGGING. OPERATIONAL CHECK FLIGHT GOOD. AIRCRAFT RETURNED TO SERVICE, S/N'S OF PCU'S MAL0137, MAL0051, MAL0047.

Part: WARNING MESSAGE — FALSE ACTIVATION (ELEVATOR SPLIT) · airframe 15,161 hrs · 10,957 cycles

MFR - FLIGHT 2525 (PDX-SJC). IN LEVEL FLIGHT AT CRUISE ALTITUDE (39,000) FOR 3 MINUTES, THEN RECEIVED A ELEVATOR SPLIT CAUTION MESSAGE. DISCONNECTED THE AUTOPILOT PER THE CHECKLIST, CONTROLS FEEL NORMAL NO ADVERSE OR ABNORMAL CONTROL FEEL OR RESPONSE. SYNOPTIC PAGE SHOWED ELEVATORS MATCHED. DIVERTED TO MFR AND ACCOMPLISHED A UNEVENTFUL LANDING. MAINTENANCE PERFORMED FIM TASK 27-31-00-810-803-A01, NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: PROXIMITY SENSOR — OUT OF ADJUST (LT MLG) · airframe 14,812 hrs · 10,707 cycles

PDX - FLIGHT 2506 ON TAKEOFF, DOWNLOCK OVERRIDE REQUIRED TO RETRACT GEAR. RECEIVED A GEAR DISAGREE MESSAGE AND GEAR DID NOT RETRACT. RECEIVED A PROX SYSTEM 1 FAULT. RETURNED TO THE FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. MAINTENANCE ADJUSTED THE MAIN GEAR PROX SENSORS FOR THE LEFT GEAR IAW 32-61-05-820-803-A01. CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: FAN BLADE — DAMAGED (ENGINE) · airframe 14,711 hrs · 10,638 cycles

BOI- FLIGHT 4277- ON CLIMB, THE NR 2 ENGINE FAN VIBRATIONS REACHED 1.9. AFTER COMPLETING THE CHECKLIST AND REDUCING POWER, THE VIBRATION DIMINISHED INTO THE GREEN AREA. MAINTENANCE C/W A TANG LUBE OF THE FAN BLADES IAW 72-21-02-640-801-A01 AND REPLACED THE FAN BLADE PINS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SEAL — DIRTY (GALLEY DOOR) · airframe 145,756 hrs · 10,547 cycles

PDX- FLIGHT ATTENDANT REPORTS THE GALLEY SERVICE DOOR IS HARD TO OPEN. MAINTENANCE CLEANED AND LUBRICATED THE DOOR SEAL. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE, NO PARTS REPLACED.

Part: UNKNOWN — LEAKING (RT ENGINE) · airframe 14,558 hrs · 10,536 cycles

DEN - FLIGHT 4325 - SMALL FUEL DRIP FROM THE RIGHT ENGINE. MAINTENANCE GROUND RAN THE ENGINE AND CLEANED THE AREA. NOTICED NO LEAKS OR DEFECTS. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: DOOR — DAMAGED (NLG) · airframe 14,154 hrs · 10,506 cycles

BIL- ON APPROACH FOR LANDING ON FLIGHT 4317, AS THE GEAR WAS EXTENDED, HEARD A LOUD "POP". GEAR INDICATION FINE, MADE A NORMAL APPROACH AND LANDING. MAINTENANCE FOUND THE MOUNT BRACKET FOR THE AFT NOSE GEAR DOOR TWISTED AND JAMMED AGAINST THE RIGHT NOSE WHEEL. REMOVED THE DOOR AND ATTACHING HARDWARE AND FERRIED THE AIRCRAFT FROM BIL TO PDX FOR REPAIRS. IN PDX, REPLACED THE GEAR DOOR AND ASSOCIATED RODS, BRACKETS, BUSHINGS, AND HARDWARE. AIRCRAFT RETURNED TO SERVICE.

Part: UNKNOWN — UNKNOWN · airframe 13,898 hrs · 10,044 cycles

DEN - ON TAXI OUT FOR FLIGHT 4327, RECEIVED A "XFLOW" CAUTION MESSAGE. RETURNED TO THE GATE. MAINTENANCE CLEARED THE FAULTS IAW CRJ-700 SERVICE LETTER SL-28-007 REVISION C. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE, NO PARTS REPLACED.

Part: CONCENTRATOR — MALFUNCTIONED · airframe 13,398 hrs · 9,710 cycles

TUL- FLIGHT 4202 RECEIVED A ELEVATOR SPLIT CAUTION MESSAGE. RETURNED TO THE FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. THE AIRCRAFT WAS FERRIED TO DENVER WHERE THE NR 1 DATA CONCENTRATOR WAS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: COMPUTER — MALFUNCTIONED (FUEL QTY) · airframe 13,215 hrs · 9,582 cycles

ELP - TAXI FOR FLIGHT 4017, RECEIVED A "X FLOW" PUMP CAUTION MESSAGE. RETURNED TO THE GATE. MAINTENANCE REPLACED THE FUEL QUANTITY GAUGING COMPUTER AND THE PUMP CARTRIDGE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: FMU — MALFUNCTIONED (NR 2) · airframe 12,758 hrs · 9,271 cycles

AFTER ENGINE START RECEIVED A FUEL LOW TEMP MASTER CAUTION MESSAGE. RETURNED TO THE GATE. MAINTENANCE CLEANED AND RESEATED THE CONNECTOR PLUG FOR THE NR 2 FMU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: CONNECTOR — DIRTY (FUEL SYSTEM) · airframe 12,495 hrs · 9,101 cycles

RT FUEL LOW TEMP CAUTION MESSAGE RECEIVED. RETURNED TO THE GATE. MAINTENANCE CLEANED THE CONNECTOR PLUGS ON THE NR 2 FMU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: FAN BLADE — VIBRATION (RT ENGINE) · airframe 12,390 hrs · 9,023 cycles

TUL- RIGHT ENGINE FAN VIBRATION 2.1. REDUCED THRUST PER THE CHECKLIST, VIBRATION MONITOR MOVED INTO GREEN ARC. ALL OTHER INDICATIONS NORMAL. MAINTENANCE REPLACED THE FAN BLADES PER MTC R722101. OPERATIONAL CHECKS GOOD, VIBRATIONS ARE NOTED AT 0.3. AIRCRAFT RETURNED TO SERVICE.

Part: FITTING — UNKNOWN (HORIZONTAL STAB) · airframe 12,248 hrs · 8,922 cycles

C3 PDX - BOTH HORIZONTAL STABILIZER PIVOT FITTINGS ANTI-ROTATION DEVICE REQUIRES REMAPPING. REPAIRED IAW REO-670-55-11-046.

Part: SKIN — CORRODED (BS 280) · airframe 2,248 hrs · 8,922 cycles

C3 PDX - FOUND CORROSION ON TOP SURFACE OF FS280.00. REPAIRED IAW REO-670-53-11-045.

Part: WEB — CORRODED (BS 280) · airframe 2,248 hrs · 8,922 cycles

C3 PDX - LEFT LOWER WEB AT FS 280.00 CORRODED. REPAIRED IAW REO-670-53-11-052.

Part: WEB — CORRODED (BS 280) · airframe 2,248 hrs · 8,922 cycles

C3 PDX - RIGHT LOWER WEB AT FS 280.00 CORRODED. REPAIRED IAW SRM 51-40-11 AND SRM 51-42-16.

Part: ATTACH FITTING — GOUGED · airframe 12,244 hrs · 8,921 cycles

PDX- C3 CHECK- REFERENCE NRI 156461 FOR FORWARD LUG ON MCS SUPPORT WHEEL BRACKET HAS A GOUGE IN IT. BLENDED FORWARD LUG ON MCD SUPPORT WHEEL BRACKET IAW TASK 51-12-001-001-A01 STEP 7. FOUND WITHIN LIMITS. PRIMED AND PAINTED AREA.

Part: SKIN — CHAFED (SLAT) · airframe 12,244 hrs · 8,921 cycles

PDX - C3 CHECK, RIGHT WING INBOARD SLAT LOWER AFT EDGE CHAFED AT WS 68. BLENDED AND POLISHED AREA, MATERIAL LOSS .004, WITHIN LIMITS OF SRM 57-41-01-101-001-A01. TREATED AND PAINTED AREA. NO PARTS REPLACED.

Part: SKIN — CORRODED (BS 302 S27) · airframe 12,244 hrs · 8,921 cycles

PDX - C3 CHECK, FUSELAGE SKIN CORRODED AT LOWER TCAS ANTENNA AT FS 302 STRINGER 27 INTERNAL AND EXTERIOR. REMOVED CORROSION FROM SKIN IAW CRJ-700 SRM 51-21-06. BLENDED AND PAINTED AREA.

Part: SKIN — CHAFED (RT WING) · airframe 12,244 hrs · 8,921 cycles

PDX - C3 CHECK, RIGHT WING INBOARD SLAT OUTER UPPER CORNER IS CHAFING ON UPPER LEADING EDGE SKIN. FOUND CORNER OF TRAILING EDGE CHIPPED, ROUNDED CORNER SMOOTH. MATERIAL LOSS WAS .001. POLISHED UPPER SKIN CHAFFE. WITHIN LIMITS OF SRM 57-42-01-101-001-A01. TREATED AND PAINTED AREA. NO PARTS REPLACED.

Part: COWLING — CHAFED (LT NACELLE) · airframe 12,244 hrs · 8,921 cycles

PDX- C3 CHECK- LEFT UPPER TRANSCOWL INBOARD RETAINER IS CHAFED WITH CONTACT FROM THE FAN COWL. REPAIRED AREA AS PER CRJ-700 SRM 51-12-00-001-001-A01. REPAIR FOUND TO BE WITHIN LIMITS .139" REMAINING. NO CRACKS NOTED. TREATED AND PAINTED.

Part: PANEL — CHAFED · airframe 12,244 hrs · 8,921 cycles

PDX- C3 CHECK- NR 2 ENGINE STUBWING AFT PANEL CHAFED AGAINST EMPENNAGE SKIN. STRIPPED PAINT AROUND AREA. BLENDED DAMAGE AS PER SRM 51-12-00. BLENDED AREA WITHIN LIMITS. TREATED AND PAINTED AREA.

Part: SKIN — DAMAGED (NR 1 SLAT) · airframe 12,244 hrs · 8,921 cycles

PDX- C3 CHECK- LEFT WING NR 1 SLAT AFT TRAINING EDGE IS DAMAGED AT WS 108. BLENDED OUT DAMAGE WITHIN LIMITS IAW REO 670-57-42-088/1. TREATED AND PAINTED AREA.

Part: SKIN — DAMAGED (BS 1098 S21R) · airframe 12,244 hrs · 8,921 cycles

PDX - C3 CHECK- EVIDENCE OF LIGHTNING STRIKE AT FS 1098.20 STRINGER 21R. REMOVED RIVET FROM AREA AND BLENDED OUT DAMAGE IAW CRJ-700 SRM 51-12-00-001-001. NO CRACKS NOTED, REO 670-53-61-275 PLACES BLENDED AREA WITHIN LIMITS. TREATED AND PAINTED AREA.

Part: INTAKE — CHAFED (LT NACELLE) · airframe 12,244 hrs · 8,921 cycles

PDX- C3 CHECK- LEFT UPPER FAN COWL IS CHAFED FROM CONTACT WITH THE CORE COWL RETAINERS. REPAIRED PER CRJ-700 SRM 51-12-00-001-001-A01. NO CRACKS NOTED. TREATED AND PAINTED AREA.

Part: BEAM — CORRODED (BS 280) · airframe 12,244 hrs · 8,921 cycles

PDX- C3 CHECK- CORROSION ON TOP SURFACE OF FUSELAGE STATION 280. REPLACED BEAM AT STATION 280 IAW SRM 51-40-11 AND REO 670-53-11-045.

Part: SKIN — CHAFED (TE FLAP) · airframe 12,244 hrs · 8,921 cycles

PDX - C3 CHECK - LEFT FLAP INBOARD VANE CHAFED ON LEADING EDGE ABOVE INBOARD ACTUATOR. SMOOTHED CHAFE IAW SRM 51-12-00 MATERIAL LOSS .002". WITHIN LIMITS PER SRM. PRIMED AND PAINTED AREA.

Part: PANEL — CHAFED (NACELLE) · airframe 12,244 hrs · 8,921 cycles

PDX - C3 CHECK- NR 1 ENGINE STUBWING AFT PANEL CHAFED AGAINST EMPENNAGE SKIN. STRIPPED PAINT AROUND AREA FOR INSPECTION. BLENDED DAMAGE AS PER SRM 51-12-00. WITHIN LIMITS. TREATED AND PAINTED AREA.

Part: STRUCTURE — DAMAGED (THRUST REVERSER) · airframe 12,244 hrs · 8,921 cycles

PDX- C3 CHECK- ON NR 1 ENGINE MOUNT STRUCTURE FOR BOTTOM INBOARD THRUST REVERSER CASCADE VANE BETWEEN MOUNT HOLES METAL HAS BEEN REMOVED FROM STRUCTURE. MAPPED AREA OF CUTOUT FOR ENGINEERING AND FABRICATED A REPAIR PLATE AND PATCH AND INSTALLED IAW REO 670-78-34-673.

Part: HINGE — DAMAGED (SPOILER) · airframe 12,244 hrs · 8,921 cycles

PDX- C3 CHECK- RIGHT OUTBOARD SPOILER CENTER HINGE PCU ATTACH FITTING ON REAR WING SPAR INBOARD FLANGE HAS IMPACT DAMAGE. BLENDED DAMAGE PER SRM 51-12-00, AMOUNT OF MATERIAL REMOVED .002". WITHIN LIMITS OF REO 670-57-51-103. TREATED AND PAINTED AREA.

Part: PIVOT — UNKNOWN (HORIZONTAL STAB) · airframe 12,244 hrs · 8,921 cycles

PDX - C3 CHECK - RIGHT HORIZONTAL STABILIZER PIVOT FITTING ANTI ROTATION DEVICE REQUIRES REMAPPING FOR PERMANENT REPAIR. REMOVED PIVOT BUSHINGS AND BLENDED ANTI ROTATION TAB IAW REO 670-55-11-046. FOUND NO CRACKS. REINSTALLED PIVOT BUSHING.

Part: SKIN — DAMAGED (PAX DOOR) · airframe 12,244 hrs · 8,921 cycles

PDX - C3 CHECK, BARE METAL AND IMPACT DAMAGE AT STRINGER 13.5 AND 15 FORWARD OF MAIN CABIN DOOR. BLENDED OUT DAMAGE AND REMOVED .005" MATERIAL, WITHIN LIMITS. TREATED AND PAINTED AREA IAW SRM 51-25-01-001-001-A01. NO PARTS REPLACED.

Part: FLOORBEAM — CORRODED (BS 280) · airframe 12,244 hrs · 8,921 cycles

PDX - C3 CHECK - RIGHT CORNER GUSSETT ON CABIN FLOORBEAM AT STATION 280 JUST BELOW STRINGER 17 HAS CORROSION ON UPPER FORWARD SURFACE. REMOVED GUSSETT AND INSTALLED REPLACEMENT GUSSETT IAW SRM 51-42-06. EDGE SEALED GUSSETT IAW SRM 51-23-00.

Part: FITTING — LEAKING (HYDRAULIC SYS) · airframe 11,685 hrs · 8,522 cycles

EUG - DURING FLIGHT 2450 (SBA-PDX), RECEIVED A NR 2 HYDRAULIC LOW PRESSURE WARNING MESSAGE FOLLOWED BY SPOILERS AND SPOILERON CAUTION MESSAGES. QUANTITY OF HYDRAULICS FOR NR 2 SYSTEM SHOWED ZERO. DIVERTED TO EUG AND ACCOMPLISHED UNEVENTFUL LANDING. MAINTENANCE FOUND A LEAK COMING FROM THE PRESSURE MANIFOLD OF NR 2 SYSTEM (DELTA P FITTING) FOUND CONTAMINATION IN THE FILTERS. REPLACED FILTERS, NR 2 ENGINE DRIVEN HYDRAULIC PUMP AND PRESSURE MANIFOLD. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: AMPLIFIER — ODOR (COCKPIT) · airframe 10,482 hrs · 7,742 cycles

DEN - ON LANDING FOR FLIGHT 4438, INTERMITTENT ELECTRICAL SMELL IN COCKPIT. FOUND COKE SPILLED DOWN ON PASSENGER ADDRESS AMPLIFER UNDER THE FLOOR. FOUND POSSIBLE ELECTRICAL SMELL COMING FROM UNIT. REPLACED PASSENGER ADDRESS UNIT IAW CRJ700 AMM 23-31-01-000/400-901-A01,OPS TEST GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ACTUATOR — LEAKING (NR 2 ENGINE) · airframe 10,307 hrs · 7,622 cycles

DEN - ON FLIGHT 4325 FOUND A FUEL LEAK ON THE RIGHT ENGINE. UPON INSPECTION FOUND FUEL LEAKING FROM NR 2 ENG SLAVE VG ACTUATOR OVERBOARD DRAIN LINE. REMOVED AND REPLACED NR 2 ENG SLAVE VG ACTUATOR IAW AMM TASK 75-30-03-000-801-A01 AND 75-30-03-400-801-A01 LEAK CK'S GOOD, OPS CK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONNECTOR — BURNED (NR 1 IDG) · airframe 10,301 hrs · 7,617 cycles

GEG - AIRCRAFT RETURNED TO THE GATE ON FLIGHT 4309 FOR THE NR 1 IDG DISCONNECT MESSAGE. NR 1 IDG DISCONNECTED AT 0700 PST 12/23/05. DEFERRED PER MEL REF 24-11-1(A). AIRCRAFT RETURNED TO SERVICE. 12/26 REPLACED J553 CONNECTOR DUE TO BURNED PINS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SWITCH — SHORTED (CABIN LIGHTS) · airframe 10,186 hrs · 7,544 cycles

DEN - ON FLIGHT 4191, SPARKING & SHORT CIRCUIT AT THE LEFT HAND UTILITY CLOSET SWITCH. CIRCUIT BREAKER TRIPPED. MAINTENANCE PLACED SYSTEM ON MEL 33-21-1. COLLARED CIRCUIT BREAKER P4 ON CIRCUIT BREAKER PANEL 1. AIRCRAFT RETURNED TO SERVICE.

Part: FAN BLADE — VIBRATION (NR 1 ENGINE) · airframe 9,497 hrs · 7,097 cycles

DEN - ON FLIGHT 4177, DURING CLIMB, NR 1 ENGINE FAN VIBRATIONS WERE IN THE YELLOW ARC, WITH POWER REDUCTION, THE READING WAS 2.1. AIRCRAFT RETURNED TO THE FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. MAINTENANCE REPLACED THE N1 FAN BLADES. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING LIGHT — ILLUMINATED (FUEL SYSTEM) · airframe 9,304 hrs · 6,976 cycles

DEN - ON FLIGHT 4327, CLIMBING AT 8,000 FEET RECEIVED A FUEL CHANNEL 1 AND 2 FAIL CAUTION MESSAGE. RETURNED TO FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. MAINTENANCE CLEARED THE FAULT PER THE FIM TASK 28-40-00-810-804-A01. NO FURTHER DEFECTS NOTED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: ECU — MALFUNCTIONED (APU) · airframe 8,880 hrs · 6,670 cycles

RETURNTED TO GATE. APU ENGINE CONTROL UNIT CAUTION MESSAGE. MAINTENANCE REMOVED AND REPLACED APU ENGINE CONTROL UNIT. OPERATIONAL TEST GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: MOUNT — GOUGED (ZONE 400) · airframe 8,541 hrs · 6,430 cycles

PDX - AFT THRUST MOUNT HAS NUMEROUS GOUGES ON THE BALL END AND BEARING. REPAIRED IAW CRJ-700 SRM 71-22-01-000-801-A01, HORIZON AIR EA R-71-109 AND CRJ-700 AMM TASK 71-22-01-400-801-A01.

Part: STRAP — GOUGED (ZONE 200) · airframe 7,489 hrs · 5,633 cycles

PDX - GOUGE IN INNER, UPPER FRAME STRAP ON UPPER AFT CORNER OF MAIN CABIN DOOR FRAME STRUCTURE AT FS 349.00. REPAIRED IAW HORIZON AIR EA R-53-247.

Part: LINE — CRACKED (ZONE 200) · airframe 7,489 hrs · 5,633 cycles

PDX - RIGHT HAND SIDE PYLON PRESSURE PAN HAS CRACK AT AFT EDGE OF CUTOUT FOR THE NR 2 PRESSURE LINE. REPAIRED IAW CRJ SRM 51-42-06.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 7,489 hrs · 5,633 cycles

PDX - RIGHT HAND INBOARD SEAT RAIL CORROSION APPROXIMATELY FS 728.00, FS 756.00 AND FS 828.00. REPAIRED IAW HORIZON AIR EA R-53-240 AND CRJ SRM 51-21-16.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 7,489 hrs · 5,633 cycles

PDX - LEFT HAND INBOARD SEAT RAIL CORROSION APPROXIMATELY FS 582.00 AND FS 665.00. REPAIRED IAW HORIZON AIR EA R-53-240 AND SRM 51-21-16.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 7,489 hrs · 5,633 cycles

PDX - RIGHT OUTBOARD SEAT RAIL CORROSION AT X738.00 AND X754.00. REPAIRED IAW HORIZON AIR EA R-53-240 AND CRJ 700 SRM 51-21-16.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 7,489 hrs · 5,633 cycles

PDX - LEFT HAND INBOARD SEAT RAIL CORROSION APPROXIMATELY FS 728.00. REPAIRED IAW CRJ SRM 51-21-16 AND HORIZON AIR EA R-53-240.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 7,489 hrs · 5,633 cycles

PDX - RIGHT HAND INBOARD SEAT RAIL CORROSION APPROXIMATELY FS 490.00, FS 508.00, FS 522.00, FS 540.00, FS 552.00 AND FS 572.00. REPAIRED IAW AMM 53-00-49-400-801.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 7,489 hrs · 5,633 cycles

PDX - LEFT HAND INBOARD SEAT RAIL CORROSION AT FUSELAGE STATION 415.00 AND 476.00. REPAIRED IAW HORIZON AIR EA R-53-240 AND CRJ 700 SRM 51-21-16.

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 7,489 hrs · 5,633 cycles

PDX - LEFT OUTBOARD SEAT RAIL CORROSION AT X738.00 AND X754. REPAIRED IAW HORIZON AIR EA R-53-240 AND CRJ 700 SRM 51-21-16.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 7,489 hrs · 5,633 cycles

PDX - RIGHT HAND INBOARD SEAT RAIL CORROSION APPROXIMATELY FS 583.00, FS 665.00 AND FS 677.00. REPAIRED IAW HORIZON AIR EA R-53-240 AND SRM 51-21-16.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 7,489 hrs · 5,633 cycles

PDX - RIGHT HAND INBOARD SEAT RAIL CORROSION APPROXIMATELY FS 695.00. REPAIRED IAW HORIZON AIR EA R-53-240 AND SRM TASK 51-21-16.

Part: BUSHING — CHAFED (ZONE 300) · airframe 7,489 hrs · 5,633 cycles

PDX - HORIZONTAL STAB RIGHT HINGE BUSHING CHAFED INTO ANTI ROTATION LUG ON STABILIZER FITTING. REPAIRED IAW HORIZON AIR EA R-55-27 AND REO 670-55-11-016.

Part: FITTING — CHAFED (ZONE 300) · airframe 7,489 hrs · 5,633 cycles

PDX - HORIZONTAL STAB LEFT HINGE BUSHING CHAFED INTO ANTI ROTATION LUG ON STABILIZER FITTING. REPAIRED IAW HORIZON AIR EA R-55-27 AND REO 670-55-11-013.

Part: STEP — DELAMINATED (ZONE 800) · airframe 7,489 hrs · 5,633 cycles

PDX - MAIN CABIN DOOR TOP STEP ASSEMBLY IS DELAMINATED AT TOP RIGHT HAND CORNER. REPLACED MAIN CABIN DOOR TOP STEP ASSEMBLY PANEL.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 7,489 hrs · 5,633 cycles

PDX - LEFT HAND INBOARD SEAT RAIL CORROSION APPROXIMATELY FS 508.00, FS 540.00, FS 553.00 AND FS 572.00. REPAIRED IAW HORIZON AIR EA R-53-240 AND CRJ 700 SRM 51-21-16.

Part: CHIMNEY — TORN (CARGO BAY) · airframe 6,612 hrs · 4,957 cycles

MAINTENANCE FOUND THE FORWARD CARGO BAY CHIMNEY TORN. MAINTENANCE REPLACED THE CHIMNEY AND THE OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BULKHEAD — CRACKED (FUSELAGE) · airframe 5,865 hrs · 4,433 cycles

PDX - THE AFT PRESSURE BULKHEAD HAS A CRACK APPROXIMATELY .3750 OF AN INCH LONG AT STATION 1098.20, ADJACENT TO THE LT HYDRAULING FITTING CUT-OUT. MAINTENANCE REPAIRED THE AFT PRESSURE BULKHEAD IAW REO 670-53-61-034.

Part: SELECTOR VALVE — MALFUNCTIONED (ZONE 700) · airframe 5,865 hrs · 4,433 cycles

AIRCRAFT RETURNED TO FIELD FOR GEAR DID NOT RETRACT AFTER TAKEOFF. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED LANDING GEAR SELECT VALVE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: DOOR — UNSECURE (CARGO) · airframe 5,672 hrs · 4,298 cycles

TUS - FLIGHT 4218 - CREW RETURNED TO FIELD WHEN AFTER TAKEOFF RECEIVED AN AFT CARGO DOOR WARNING. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE DOOR NOT SECURE. THE DOOR WAS SECURED AND OPERATIONAL CHECKS WERE PERFORMED. OPERATIONAL CHEKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: CHIMNEY — TORN (ZONE 200) · airframe 5,266 hrs · 4,027 cycles

PDX - CENTER CHIMNEY IN FORWARD CARGO BAY HAS TORN SCREEN. REMOVED AND REPLACED CHIMNEY. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: TUBE — CRACKED (HYD SYSTEM) · airframe 5,216 hrs · 3,992 cycles

THE CREW RECEIVED A HYDRAULIC 2 LO PRESSURE CAUTION. AFTER PERFORMING THE CHECKLIST, THEY RECEIVED A HYDRAULIC ENGINE DRIVEN PUMP 2A CAUTION MESSAGE, AND AFTER A FEW MINUTES, THE HYDRAULIC 2 LOW PRESSURE CAUTION RETURNED. THE HYDRAULIC SHUT OFF VALVE WAS SHUT OFF IAW THE CHECKLIST. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE ENGINE PUMP PRESS LINE FROM THE AFT PRESSURE BULKHEAD TO THE NR 1 STS PRESS MANIFOLD. THE OPERATIONAL AND LEAK CHECK WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: CHIMNEY — TORN (ZONE 200) · airframe 5,122 hrs · 3,928 cycles

DEN - FORWARD CARGO COMPARTMENT CHIMNEY SCREEN IS TORN. REMOVED AND REPLACED CHIMNEY. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: O-RING — LEAKING (ZONE 200) · airframe 4,293 hrs · 3,341 cycles

FUEL LEAKING FROM UNDERWING CENTER AREA DURING REFUELING. REMOVED AND REPLACED BOTH O-RINGS AT COUPLING. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SPRAYER — MALFUNCTIONED (A/C SYSTEM) · airframe 4,189 hrs · 3,265 cycles

PDX- ON FLIGHT 2520 SLIGHT BURNT OIL SMELL WHEN TURNING UP HEAT FROM AIR CONDITIONING PACKS. REMOVED AND REPLACED COCKPIT RAM AIR WATER SPRAYER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CHIMNEY — TORN (CARGO BAY) · airframe 4,171 hrs · 3,248 cycles

PDX- FORWARD CARGO BAY CHIMNEY AT DOOR AREA IS TORN. REMOVED AND REPLACED CHIMNEY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: RELAY — FAILED (THRUST REVERSER) · airframe 4,028 hrs · 3,145 cycles

PDX- ON FLIGHT 2431 ABORTED TAKEOFF DUE TO RIGHT REVERSE CAUTION MESSAGE APPEARED DURING POWER APPLICATION FOR TAKEOFF. MESSAGE WENT AWAY WHEN THRUST LEVERS RETRACTED TOWARDS IDLE. FOUND FAULT GROUND RELAY AK30 RELAY CLOSED. GROUND RAN AIRCRAFT AND PERFORMED OPERATIONAL TEST OF THRUST REVERSER. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: APU — MALFUNCTIONED (APU BAY) · airframe 4,165 hrs · 3,315 cycles

PDX-SUP-WHILE AIRCRAFT WAS SITTING AT GATE WITH APU RUNNING CABIN FILLED WITH SMOKE.AIRCRAFT RETURNED TO SERVICE. REMOVED AND REPLACED APU. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: MOUNT — GOUGED (NACELLE) · airframe 3,622 hrs · 2,846 cycles

PDX - YOKE HAS SEVERAL GOUGES AND SMALL DENTS AROUND LOWER MOUNT. REPAIRED IAW HORIZON AIR EA R-71-35.

Part: FITTING — SCORED (NR 1 ENGINE) · airframe 3,622 hrs · 2,846 cycles

PDX - INSPECTED NR 1 AFT ENGINE THRUST FITTING AND FOUND OUTER SURFACE TO BE SCORED ACROSS FACE. REPAIRED IAW HORIZON AIR EA R-71-36.

Part: SKIN — CHAFED (CARGO DOOR) · airframe 3,622 hrs · 2,846 cycles

CKB - TOP EDGE OF AFT BAGGAGE DOOR SKIN IS CHAFED AT APPROXIMATELY FS 1029.00. REPAIRED IAW HORIZON AIR EA R-52-97 AND REO 670-52-31-003.

Part: SKIN — DENTED (PAX DOOR) · airframe 3,622 hrs · 2,846 cycles

PDX - MAIN CABIN DOOR LOWER AFT INNER SKIN IS DENTED AND SCRATCHED. REPAIRED IAW CRJ SRM 51-42-13 AND 51-42-06.

Part: SKIN — DENTED (PAX DOOR) · airframe 3,622 hrs · 2,846 cycles

PDX - MAIN CABIN DOOR LOWER FORWARD INNER SKIN IS DENTED AND SCRATCHED. REPAIRED IAW CRJ SRM 51-42-13 AND 51-42-06.

Part: PAINT — DETERIORATED (NR 1 NACELLE) · airframe 3,622 hrs · 2,846 cycles

PDX - NR 1 NACELLE LOWER FORWARD CORE COWL ALUMINIZED PAINT IS MISSING AND DETERIORATED FROM VARIOUS LOCATIONS. PAINTED AS REQUIRED IAW CRJ 700 SRM 51-25-01, FIGURE 1-13 QX4.

Part: SEAT TRACK — WORN (FUSELAGE) · airframe 3,622 hrs · 2,846 cycles

PDX - COPILOTS OUTBOARD SEAT TRACK WORN ON THE TOP INBOARD EDGE. REPAIRED IAW SRM 51-12-00, PAGE 6.

Part: PRESSURE SENSOR — FAILED (RT ENGINE) · airframe 3,450 hrs · 2,717 cycles

AFTER STARTING RT ENGINE, RIGHT MAIN EJECTOR MESSAGE DISPLAYED. REMOVED AND REPLACED RIGHT PRIMARY EJECTOR PRESSURE SENSOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CHIMNEY — DAMAGED (ZONE 800) · airframe 2,391 hrs · 2,611 cycles

PDX-CENTER FIRE DETECTION CHIMNEY IN THE FORWARD CARGO BAY IS DAMAGED. REMOVED AND REPLACED CHIMNEY IAW CRJ700 MM TASK 26-17-03-400-801-A01. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING LIGHT — FALSE ACTIVATION (ZONE 100) · airframe 3,004 hrs · 2,398 cycles

LAX-FLIGHT544- AIRCRAFT RETURNED TO FIELD WHEN SHORTLY AFTER TAKEOFF, THE CREW RECEIVED 4 CHIMES AND A RED SMOKE AFT LAV MESSAGE. MAINTENANCE INSPECTED THE AIRCRAFT AND PERFORMED AN OPERATIONAL TEST OF THE AFT LAV SMOKE DETECTOR. OPERATIONAL CHECK WAS GOOD AND NO DISCREPANCIES WERE NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BULKHEAD — CRACKED (FUSELAGE) · airframe 2,860 hrs · 2,300 cycles

CKB- CRACK INDICATED ON PRESSURE BULKHEAD AT STATION 1098.20 ON RIGHT HAND SIDE. REPAIRED IAW CRJ SRM 51-20-06, 51-21-16, 51-23-00, 51-42-21 AND REO 670-53-61-034.

Part: STRINGER — DAMAGED (FUSELAGE) · airframe 2,860 hrs · 2,300 cycles

CKB- STATION 319 RIGHT HAND AT STRINGER 2R HAS ELONGATED FROM FACTORY. REPAIRED IAW CRJ SRM 51-42-06 AND HORIZON AIR EA R-53-70.

Part: SPACER — CORRODED (FUSELAGE) · airframe 2,860 hrs · 2,300 cycles

CKB- RADIO ALTIMETER ANTENNA SPACER HAS SURFACE CORROSION AT STATION 1012.00, BL 2.500 PORT. REPAIRED IAW CRJ SRM 51-21-06.

Part: SPACER — CORRODED (FUSELAGE) · airframe 2,860 hrs · 2,300 cycles

CKB- RADIO ALTIMETER ANTENNA SPACER HAS SURFACE CORROSION AT STATION 1033.83, BL 2.50 PORT. REPAIRED IAW CRJ SRM 51-21-06.

Part: STRINGER — DAMAGED (FUSELAGE) · airframe 2,860 hrs · 2,300 cycles

CKB- TWENTY OVERSIZED HOLES AT STRINGER 12 THREW BULKHEAD. REPAIRED IAW HORIZON AIR EO 601R-53-3778 AND EA R-53-69.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 2,860 hrs · 2,300 cycles

CKB- AT FRAME 1126 SECOND OUTBOARD RIVET HOLE THROUGH SKIN ELONGATED STRINGER 12L. REPAIRED IAW HORIZON AIR EA R-53-67.

Part: TURBINE BLADES — DAMAGED (NR 2 ENGINE) · airframe 2,860 hrs · 2,300 cycles

CKB - NR 2 ENGINE FAILED SCHEDULED BORESCOPE INSPECTION. FOUND ONE BLADE WITH MISSING MATERIAL. REPLACED ENGINE. AIRCRAFT OPERATIONAL CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE. ENGINE UNDER INVETIGATION AT GE.INVESTIGATION BY THE ENGINE MANUFACTURER (GE) HAS BEEN COMPLETED. IT HAS BEEN CONCLUDED THAT MODIFICATION TO THE HPT1 DAMPNER (ALONG WITH RE-WORK OF THE ACCELERATOR) IS THE CORRECTIVE ACTION FOR THIS REMOVED ENGINE. A PLAN HAS BEEN DEVISED TO INCORPORATE THIS MOD IN THE NEXT FEW QUARTERS.

Part: PRESSURE SWITCH — FAILED (FUEL SYSTEM) · airframe 2,712 hrs · 2,193 cycles

BOI- LEFT FUEL LOW PRESSURE CAUTION MESSAGE ON PRIMARY EICAS. REMOVED AND REPLACED LEFT HAND ENGINE INLET PRESSURE SWITCH. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ECU — MALFUNCTIONED (E/E BAY) · airframe 2,663 hrs · 2,156 cycles

PHX - FOLLOWING GEAR UP SELECTION, GEAR DISAGREE WARNING CAME ON ACCOMPANIED BY PROX SYSTEM 1 FAULT STATUS MESSAGE. MAINTENANCE INTERROGATED THE MAINTENANCE DIAGNOSTICS COMPUTER AND THERE WERE NO CURRENT FAULTS. THE MAIN LANDING GEAR SELECTOR VALVE AND PROX SENSORS WERE CHECKED WITH NO DEFECTS NOTED. THE LANDING GEAR WAS CYCLED SEVERAL TIMES WITH NO DEFECTS NOTED. THE PSEU WAS REPLACED AS A PRECAUTIONARY PROCEDURE AND OPERATIONAL CHECKS WERE PERFORMED AGAIN AND CHECKED GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: DOOR FRAME — CRACKED (FUSELAGE) · airframe 2,636 hrs · 2,132 cycles

PDX- CRACK IN FRAME FORWARD SIDE OF AFT EQUIPMENT BAY DOOR OPENING ABOVE LEFT HAND DOOR HINGE AT STATION 1108.00. REPAIRED IAW HORIZON AIR EA R-53-62.

Part: CAGE — TORN (CARGO BAY) · airframe 2,631 hrs · 2,132 cycles

PDX- FORWARD CARGO BAY FIRE SUPPRESSION CHIMNEY SCREEN TORN. REMOVED AND REPLACED TORN FORWARD CARGO BAY FIRE SUPPRESSION CHIMNEY. AIRCRAFT RETURNED TO SERVICE.

Part: CAGE — DAMAGED (CARGO BAY) · airframe 2,557 hrs · 2,073 cycles

PDX- FORWARD CARGO SMOKE DETECTOR PROTECTIVE COVER CHIMNEY ASSEMBLY JUST INSIDE OF FORWARD CARGO BAY DOOR, PROTECTIVE GRILL MESH DAMAGED. REMOVED AND REPLACED FORWARD CARGO SMOKE DETECTOR PROTECTIVE COVER CHIMNEY ASSEMBLY. AIRCRAFT RETURNED TO SERVICE.

Part: SELECTOR VALVE — FAILED (MLG) · airframe 2,372 hrs · 1,931 cycles

SMF - CREW COMPLIED WITH ABNORMAL CHECKLIST AND ALTERNATE GEAR EXTENSION WHEN AFTER GEAR WAS SELECTED DOWN, THE GEAR DID NOT EXTEND. GEAR LOWERED NORMALLY WITH THE ALTERNATE EXTENSION AND THE LANDING WAS UNEVENTFUL. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE MAIN LANDING GEAR SELECTOR VALVE. LEAK CHECKS, OPERATIONAL CHECKS INCLUDING EXTENSION AND RETRACTION CHECKS WERE GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CAGE — DAMAGED (CARGO BAY) · airframe 1,962 hrs · 1,601 cycles

PDX- FORWARD CARGO SMOKE DETECTOR CHIMNEY DAMAGED. REMOVED AND REPLACED FORWARD CARGO SMOKE DETECTOR CHIMNEY. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CARTRIDGE — FAILED (FUEL SYSTEM) · airframe 1,795 hrs · 1,470 cycles

BOI - ON CLIMBOUT AT 18000 FEET, THE LEFT TRANSFER SHUTOFF VALVE MESSAGE ILLUMINATED. CENTER FUEL TANK QUANTITY INCREASED WITH FUEL BURN. CREW COMPLIED WITH EMERGENCY PROCEDURES AND THE AIRCRAFT RETURNED TO FIELD. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE LEFT FUEL TRANSFER SHUTOFF VALVE CARTRIDGE. TRANSFER SYSTEM, FQGC AND VALVE SYSTEM TESTS WERE COMPLIED WITH. OPERATIONAL CHECKS WERE GOOD, AN RII WAS COMPLIED WITH AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: WARNING LIGHT — ILLUMINATED (CROSSFLOW PUMP) · airframe 1,751 hrs · 1,427 cycles

TUS- ABORTED TAKEOFF DUE TO A CROSSFLOW PUMP CAUTION MESSAGE WAS DISPLAYED, ALONG WITH BOTH LEFT AND RIGHT CROSSFLOW SELECT SWITCH LIGHTS DISPLAYING FAIL. THE CROSSFLOW PUMP ON THE FUEL SYNOPTIC IS AMBER. POWER DOWN AIRCRAFT AND RE-POWERED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED

Part: CAGE — DAMAGED (CARGO BAY) · airframe 1,391 hrs · 1,146 cycles

PDX- FORWARD CARGO BAY SMOKE DETECTOR SCREEN DAMAGED. REMOVED AND REPLACED CENTER SMOKE DETECTOR CHIMNEY. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SHUTOFF VALVE — MALFUNCTIONED (FUEL SYS) · airframe 1,300 hrs · 1,064 cycles

PDX- DURING CLIMB, MASTER CAUTION MESSAGE, LEFT TRANSFER SHUTOFF VALVE APPEARED. COMPLIED WITH EMERGENCY CHECK LIST. INTERROGATED MDC. FOUND LEFT TRANSFER VALVE FAULT, CMP/POS DISAGREE, INTERMITTENT H POSITION. PERFORMED FAULT ISOLATION. FAULT DID NOT REOCCUR. NO PARTS REPLACED. GROUND RAN ENGINES. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PRESSURE SWITCH — FAILED (FUEL SYSTEM) · airframe 861 hrs · 731 cycles

MFR- LEFT HAND AND RIGHT HAND BOOST PUMP ON INTERMITTENTLY DURING FLIGHT. REMOVED AND REPLACED LEFT HAND AND RIGHT HAND PRIMARY EJECTOR PRESSURE SENSOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: STRIKER — DENTED (PAX DOOR) · airframe 615 hrs · 537 cycles

PDX - THE FORWARD AND REAR MAIN CABIN DOOR STRIKERS ARE DENTED. REPAIRED DAMAGE AREAS IAW EA R-53-13 BY BLENDING AND PERFORMING HFEC INSPECTION.

Part: PRESSURE SWITCH — LEAKING (FUEL SYSTEM) · airframe 448 hrs · 396 cycles

BOI - DURING PREFLIGHT, CREW FOUND FUEL LEAK FROM CENTER FUSELAGE AREA NEAR WING LEADING EDGE. MAINTENANCE REPLACED THE EJECTOR PUMP PRESSURE SWITCH. OPERATIONAL AND LEAK CHECK WAS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE — DETECTED (COCKPIT) · airframe 213 hrs · 188 cycles

BOI- DURING DEICING, AIRCRAFT CABIN AND COCKPIT FILLED WITH SMOKE. INSPECTED APU INTAKES. NO DEFECTS NOTED. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.