N375PH

Part: PUMP — INOPERATIVE (HYD SYSTEM) · airframe 33,641 hrs · 44,597 cycles

NR 2 HYD QUANTITY AT ZERO AND PRESSURE FELL TO ZERO. NR 2 ENGINE HYD CAUTION LIGHT ILLUMINATED. SECURED A B-NUT TO THE RT SPOILER ACTUATOR AND R & R THE NR 2 ENGINE DRIVEN PUMP. OPS AND LEAK CHECKED GOOD.

Part: BATTERY — DISCHARGED (CABIN) · airframe 33,139 hrs · 43,995 cycles

MULTIPLE EMERGENCY LIGHTS INOPERATIVE. CREW LT THE SYSTEM IN ARM. RAMP PULLED THE GPU, THE LIGHTS TRIPPED. R & R EMERGENCY BATTERY, PN 61-0478-9, SN 3836, T:1036.42, C:1205, 97082121, T:1036.42, C:1205 AND L-111, T:1000.17, C:1129.

Part: TSCU — INOPERATIVE (NR 2 ENGINE) · airframe 32,979 hrs · 43,811 cycles

NR 2 ENGINE TORQUE AT 150+ FOR 7-10 SECONDS. R & R NR 2 PROP ASSEMBLY AND R & R NR 2 TSCU. CREW SHUTDOWN THE ENGINE AND RETURNED TO FIELD. PROP ASSEMBLY, PN:806700-1, SN: 970610, TSN: 31647.45, CSN: 42798.

Part: BRAKE — MALFUNCTIONED · airframe 32,967 hrs · 43,797 cycles

BRAKE FAILURE, UPON APPLICATION OF BRAKES, LT BRAKE PEDAL TRAVELED TO THE FLOOR WITH NO RESPONSE. BRAKING EVENTUALLY RETURNED. INSPECTED NR 1 & NR 2 BRAKE ASSEMBLY AND PERFORMED BLEEDING OF BOTH NR 1 & NR 2 BRAKES. TOOK AC ON GROUND TAXI RUN TO PERFORM BRAKE TEST. OPS CHECK SAT.

Part: BATTERY — DISCHARGED (CABIN) · airframe 32,690 hrs · 32,691 cycles

FORWARD EMER DOOR LIGHT DOES NOT ILLUMINATE. R & R PS1 BATTERY.

Part: BATTERY — DISCHARGED (CABIN) · airframe 32,690 hrs · 32,691 cycles

CENTER AISLE EMER LIGHTS INOPERATIVE. R & R PS3 BATTERY.

Part: SMOKE DETECTOR — FAILED (LAVATORY) · airframe 32,262 hrs · 43,451 cycles

LAVATORY SMOKE DETECTOR GOING OFF INTERMITTENTLY, MEL. R & R LAVATORY SMOKE DETECTOR.

Part: MFC — FAULTY (NR 1 ENGINE) · airframe 31,524 hrs · 42,125 cycles

ENGINE NR 1 TORQUE FLUCTUATED & DROPPED FROM 99% TO 80% ON DECENT & DROPPED TO 50% TWICE. R & R NR 1 ENG MFC & HP FUEL PUMP.

Part: SMOKE DETECTOR — FAULTY (LAVATORY) · airframe 31,282 hrs · 41,842 cycles

LAVATORY SMOKE DETECTOR ALARMED IN FLIGHT FOR ABOUT 30 - 60 SECONDS. R & R LAVATORY SMOKE DETECTOR.

Part: TSCU — MALFUNCTIONED (NR 1 ENGINE) · airframe 30,930 hrs · 41,457 cycles

NUMBER 1 ENG FAILED AFTER ACCELERATION. R & R NR 1 TSCU.

Part: FIRE BOTTLE — LOW PRESSURE (CABIN) · airframe 30,660 hrs · 41,138 cycles

FLIGHT ATTENDANT FIRE EXTINGUISHER IN RECHARGE RANGE. R & R FLIGHT ATTENDANT FIRE EXTINGUISHER.

Part: LIGHT — SMOKE (AIRSTAIR DOOR) · airframe 30,516 hrs · 40,978 cycles

SMOKE COMING OUT OF SECOND AIR STAIR DOOR LIGHT FROM THE TOP. DEFERRED IAW MEL.

Part: LIGHT — MALFUNCTIONED (CABIN) · airframe 28,540 hrs · 38,611 cycles

CREW REPORTED THAT EMERGENCY LIGHTS WERE FLICKERING IN FLIGHT. MX INSPECTED LIGHT SWITCHES, PERFORMED OPS CHECK WITH NO DEFECTS NOTED.

Part: BULB — INOPERATIVE (EMERGENCY LIGHT) · airframe 28,323 hrs · 38,336 cycles

NR 2 CEILING EMERGENCY LIGHT WAS INOPERATIVE. BULB REPLACED.

Part: LIGHT — SMOKE (CABIN) · airframe 28,125 hrs · 38,089 cycles

SHORTLY AFTER PUSH BACK FROM THE GATE, CREW NOTICED SMOKE COMING FROM THE NR 2 STEP LIGHT ON THE MAIN CABIN DOOR. MX R & R THE LIGHT COVER. ALL OPS CHECKS WERE SATISFACTORY.

Part: BATTERY — DISCHARGED (EMERGENCY LIGHTS) · airframe 27,983 hrs · 37,900 cycles

DURING PREFLIGHT, CREW REPORTED THAT THE EMERGENCY LIGHT OVER THE AIR STAIR WAS INOPERATIVE. CHARGED BATTERIES, OPS CHECKED GOOD.

Part: DRAG STRUT — CRACKED (NLG) · airframe 27,899 hrs · 37,791 cycles

DURING A ROUTINE INSPECTION, THE NLG DRAG STRUT WAS FOUND TO HAVE A LARGE CRACK.

Part: PROXIMITY SWITCH — INOPERATIVE (NLG) · airframe 27,668 hrs · 37,514 cycles

DURING CRUISE FLIGHT, THE CREW REPORTED THAT THE LANDING INOPERATIVE CAUTION ILLUMINATED. THE LEFT DOOR YELLOW LIGHT ALSO ILLUMINATED IN FLIGHT. CREW DECLARED AN EMERGENCY AND WAS ABLE TO LAND WITHOUT INCIDENT. GROUND MX CREW R & R THE NOSE GEAR PROX SWITCH.

Part: TRANSMITTER — FLUCTUATES (HYD SYSTEM) · airframe 27,661 hrs · 37,505 cycles

DURING CLIMBOUT, CREW REPORTED THAT THE NR 1 HYD PRESSURE WAS FLUCTUATING. THE GROUND MX CREW REPLACED THE PRESSURE TRANSMITTER. ALL OPS CHECKS PRODUCED SATISFACTORY RESULTS AND THE ACFT WAS RETURNED TO SERVICE.

Part: BATTERY PACK — DISCHARGED (EMERGENCY LIGHT) · airframe 26,511 hrs · 36,036 cycles

DURING PREFLIGHT, CREW NOTICED THE FLOOR EMERGENCY LIGHTS WERE NOT ILLUMINATING. GROUND MX CREW CHARGED THE EMERGENCY BATTERIES. ONCE THE BATTERIES WERE CHARGED AN OPERATIONAL TEST PRODUCED SATISFACTORY RESULTS AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 25,951 hrs · 35,322 cycles

DURING PRE-FLIGHT, THE CREW NOTICED THE INTERIOR CABIN EXIT LOCATOR AND MID CABIN CEILING AISLE AFT LIGHTS DID NOT TEST. GROUND CREW SWAPPED THE PS3 AND PS4 BATTERY SUPPLY UNITS IN THE AFT COMPARTMENT. A SATISFACTORY OPS CHECK OF ALL EMERGENCY LIGHTS WAS COMPLETED. THE ACFT WAS RETURNED TO SERVICE WITHOUT FURTHER INCIDENT.

Part: TRANSMITTER — FAILED (OIL PRESSURE) · airframe 25,453 hrs · 34,666 cycles

FLIGHT CREW REPORTED THAT DURING CRUISE THE NR 1 ENGINE OIL PRESSURE WAS FROM 45-50 PSI, FEATHERED ENGINE AND PRESSURE ON GAUGE INDICATED 100 PSI. MX CREW R & R TRANSMITTER PERFORMED GROUND RUNS AND PERFORMED, OPS CHECKS SATISFACTORY.

Part: SEQUENCE VALVE — INOPERATIVE (MLG) · airframe 26,356 hrs · 36,953 cycles

LT MLG DOOR FLICKERED ONCE IN FLIGHT AND WHEN LANDING GEAR SELECTED DOWN, LANDING GEAR INOP CAUTION ILLUMINATED. PERFORMED ALT EXTENSION. R & R LT DOOR SEQUENCING VALVE. OPS CK SAT.

Part: BATTERY PACK — DISCHARGED (EMERGENCY LIGHT) · airframe 24,703 hrs · 33,689 cycles

DURING PRE-FLIGHT INSPECTION, AIRCREW NOTICED THE EMERGENCY LIGHTS WOULD NOT STAY ILLUMINATED DURING TEST. EMERGENCY BATTERY PACKS WERE ALLOWED TO CHARGE, PERFORMED EMERGENCY LIGHTS OPERATIONAL CHECK AND SYSTEM CHECKED SATISFACTORY. ACFT RELEASED TO FLIGHT STATUS.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 24,632 hrs · 33,602 cycles

DURING PRE-FLIGHT INSP, AIRCREW NOTICED THE EMERGENCY FLOOR LIGHTS AT ROW 1DE INOPERATIVE. GROUND MX CREW R & R THE EMERGENCY FLOOR LIGHT STRIP AT ROW 1DE. PERFORMED EMERGENCY LIGHTS OPS CHECKS, SYS CHECKED SATISFACTORY. ACFT RETURNED TO FLIGHT STATUS.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHT) · airframe 24,582 hrs · 33,542 cycles

DURING RUN EMERGENCY LIGHT FAIL TO ILLUMINATE. GROUND MX R & R BOTH POWER SUPPLY UNITS. EMERGENCY LIGHTS OPS CHECK SATISFACTORY. ACFT RETURNED TO FLIGHT STATUS.

Part: WINDSHIELD — CRACKED (COCKPIT) · airframe 23,980 hrs · 32,758 cycles

AIRCREW NOTICED PILOT'S WINDSHIELD HAD CRACKED IN FLIGHT. ACFT WAS DIVERTED FOR AN EMERGENCY LANDING. GROUND MX CREW R & R THE PILOT'S WINDSHIELD AND ACFT RETURNED TO FLIGHT STATUS.

Part: SKIN — DENTED (BS 354.25-370.8) · airframe 23,636 hrs · 32,310 cycles

DURING PREFLIGHT INSP, A DENT WAS FOUND PROTRUDING ON THE FUSELAGE APPROX 1.5 INCHES FWD OF STA X 370.8 AND 4.25 INCHES BELOW STRINGER S-31P. DAMAGE WAS REPAIRED IAW EA 5-2010-226. ACFT RETURNED TO FLIGHT STATUS.

Part: PSEU — FALSE INDICATION (MLG) · airframe 23,277 hrs · 31,842 cycles

ON AUGUST 8, 2010 WHILE ON APPROACH, THE "LANDING GEAR WARNING HORN" SOUNDED INTERMITTENTLY WHILE THE "GEAR HANDLE" LIGHT AND RED TRANSITION INDICATOR LIGHTS FLASHED. ACFT MADE SAFE LANDING. MX REVEALED THAT THE PSEU (PROXIMITY SWITCH ELECTRONIC UNIT) WAS AT FAULT. PSEU WAS R & R , OPS CHECK WAS SATISFACTORY. ACFT WAS RELEASED AND RETURNED TO SERVICE.

Part: WARNING LIGHT — FALSE ACTIVATION (MLG DOORS) · airframe 23,221 hrs · 31,770 cycles

IN FLIGHT, ALL 3 GEAR DOOR LIGHTS ILLUMINATED MOMENTARILY. NO EMERGENCY, LANDING WAS UNEVENTFUL. FERRIED AIRCRAFT. TROUBLESHOT SYS COULD NOT DUPLICATE MALFUNCTION. TEST FLIGHT WAS SATISFACTORY. RETURNED TO SERVICE.

Part: SWITCH — STUCK (BETA LOCKOUT) · airframe 21,673 hrs · 29,834 cycles

AFTER TAKE-OFF AT APPOX.350 FT OFF THE GROUND, NR 2 PROP BEGAN TO CYCLE IN AND OUT OF FEATHER. CREW PULLED BACK POWER, AND RETURNED TO FIELD. MAINTENANCE CREW REMOVED AND REPLACED NR 2 TORQUE SIGNAL CONDITIONER UNIT, DID A TEST FLIGHT, TEST FLIGHT FAILED. SAME CONDITION AS BEFORE, EXCEPT THIS TIME NR 2 ENGINE WAS SHUT DOWN. MAINTENANCE CREW TROUBLE SHOT THE BETA LOCK OUT SYSTEM, FOUND THAT THE SWITCH (6141S4) WAS STUCK IN THE NORMALY CLOSED POSITION. R&R SWITCH, GROUND CHECK WAS SATISFACTORY. TEST FLIGHT WAS ALSO SATISFACTORY.

Part: LANDING GEAR — MALFUNCTIONED · airframe 21,283 hrs · 29,321 cycles

WHILE ENROUTE, OBSERVED THE LANDING GEAR INOP ANNUNCIATOR AND ASSOCIATED AMBER GEAR IN TRANSIT LIGHT. ALSO SAW OUT THE PILOT SIDE WINDOW THE LANDING GEAR DOOR OPEN BUT THE GEAR STILL UP AND LOCKED. IMMEDIATELY SLOWED TO 140 KNOTS AND FOLLOWED THE EMERGENCY ACTION CHECKLIST. AFTER CONFERRING WITH MX CONTROL AND ATC, ASKED FOR EMERGENCY TRUCKS TO BE STANDING BY. FOLLOWED THE CHECKLIST FOR THE MANUAL GEAR EXTENSION AND HAD 3 GREEN DOWN AND LOCKED INDICATIONS. LANDED SAFELY AND UNEVENTFUL, MX TAXIED ACFT TO THE MX HANGER WHERE THE ACFT WAS PUT ON JACKS AND VISUALLY INSPECTED, THE GEAR WAS RETRACTED MULTIPLE TIMES. COULD NOT DUPLICATE MALFUNCTION AND ACFT WAS RELEASED TO SERVICE.

Part: SMOKE DETECTOR — FALSE ACTIVATION (CARGO BAY) · airframe 20,461 hrs · 28,260 cycles

SMOKE DETECTOR WARNING (CARGO) ILLUMINATED IN FLIGHT. RTF. INSPECTED FOUND NO PROBLEM. MEL'ED IAW 26-8(A).

Part: OIL COOLER — LEAKING (NR 1 ENGINE) · airframe 18,784 hrs · 26,330 cycles

FLT 8713 CLE-AVP PIC REPORTED, HAD MASTER CAUTION WARNING FOR LOW OIL PRESSURE NR 1 ENGINE. SHUT DOWN NR 1 ENGINE, LANDED IN PIT. SENT MAINTENANCE CREW TO PIT FOUND NR 1 OIL COOLER LEAKING. REPLACED NR 1 OIL COOLER, RESERVICED NR 1 ENGINE AND OTHER CHECKS FOR ENGINE SHUT DOWN IAW PWC MAINTENANCE MANUAL. NO OTHER DEFECTS NOTED.

Part: PANEL — MALFUNCTIONED (COCKPIT) · airframe 16,207 hrs · 23,490 cycles

PDX - PILOT REPORTED SUDDEN LOSS OF POWER AND SMOKE IN COCKPIT. MAINTENANCE INSTALLED NEW AUDIO ALT ALERTER PANEL BY SECURING CONNECTOR AND FASTENERS. PERFORMED OPERATIONAL TEST IAW DASH 8 200 MM 34-10-00. ALL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CIRCUIT BREAKER — OPEN (COCKPIT) · airframe 16,205 hrs · 23,485 cycles

PDX FLIGHT NR 2126 ON PUSHBACK, PRIMARY INVERTER, SECONDARY INVERTER, AUXILIARY INVERTER CAUTION LIGHTS ILLUMINATED. FOUND INVERTER WARNING CONTROL CIRCUIT BREAKER OUT. RESET INVERTER WARNING CONTROL CIRCUIT BREAKER. CAUTION LIGHTS RE-SET. CIRCUIT BREAKERS REMAINED CLOSED. NO PARTS REPLACED. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PRESSURE SWITCH — MALFUNCTIONED (RUDDER CONT SYS) · airframe 15,517 hrs · 22,448 cycles

PDX FLIGHT NR 2050 RUDDER FULL PRESSURE CAUTION. MAINTENANCE REPLACED PRESSURE SWITCH. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LINK — MISINSTALLED (HAND RAILS) · airframe 14,911 hrs · 21,575 cycles

SEA FLIGHT 2078 - F/A AND PAX REPORT LEAD METAL GRINDING NOISE FROM BOARDING DOOR WHILE AIRCRAFT WAS MOVING. MX GROUND RAN AIRCRAFT AND VERIFIED ORIGIN OF SOUND COMING FROM MAIN CABIN DOOR LINKS. PERFORMED DVI OF DOOR EXTERIOR AND MAIN CABIN DOOR STRUT AND CHAIN ASSEMBLIES. DETERMINED DOOR HANDLE RAIL LINKS FORWARD AND AFT TO BE AT LOW TORQUE. REMOVED LINK ATTACH BOLTS PERFORMED DVI OF HARDWARE AND LINK AND REASSEMBLED TO PROPER TQ IAW DHC-8-200 MM TASK 20-14-01-460-801. GROUND RAN A/C AND PERFORMED SERIES OF SHARP TURNS NOISE DID NOT REAPPEAR. NO RIGGING OF HANDRAILS OF DOOR WAS DISTURNED. NO PARTS REPLACED. A/C RETURNED TO SERVICE.

Part: CIRCUIT BREAKER — PULLED (COCKPIT) · airframe 14,823 hrs · 21,450 cycles

SEA FLIGHT 2178 WOW CAUTION LIGHT ILLUMINATED DURING PUSH-BACK. INSPECTED AND FOUND WOW CIRCUIT BREAKERS 1 AND 2 PULLED. RESET CIRCUIT BREAKERS, WOW CAUTION LIGHTS EXTINGUISHED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROLLER — MALFUNCTIONED (CABIN PRESSURE) · airframe 14,762 hrs · 21,362 cycles

PDX FLIGHT NR 9820 ON DEPARTURE WITH BLEEDS ON 1 AND 2 ON MAX CABIN RATE FLUCTUATED UNCONTROLLABLY BETWEEN MAX CLIMB AND MAX DESCENT. PER CHECKLIST WENT TO CABIN SET NO CHANGE WENT TO MANUAL SOME CONTROL. MAINTENANCE REMOVED PROTECTIVE CAP FROM CONTROLLER CABIN PRESSURE SENSOR PERFORMED FAULT CHECK OF CABIN ALTITUDE PANEL. CHECKED GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: BRACKET — CORRODED (FUSELAGE) · airframe 14,760 hrs · 21,358 cycles

PDX - CORROSION ON ANGLE BRACKET STATION X600.0 BLL 6.0, Z100.0. REPAIRED IAW DASH8-200 SRM 51-20-11 AND 51-40-00.

Part: SUPPORT — BROKEN (FUSELAGE) · airframe 14,760 hrs · 21,358 cycles

PDX - LEFT BRACKET THAT SUPPORTS ADEL CLAMP FOR SYSTEM DISCHARGE LINE TO YELLOW DISCHARGE INDICATION IS BROKEN. REPAIRED IAW DASH8-200 SRM 51-20-11 AND HORIZON AIR EA 8-53-678.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,760 hrs · 21,358 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 10 HAS MINOR PITTING AT STATIONS X268, X281 AND X312. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,760 hrs · 21,358 cycles

PDX - RIGHT HAND AFT OUTBOARD SEAT TRACK NR 11 HAS PITTING AT STATIONS X471, X486, AND X500. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,760 hrs · 21,358 cycles

PDX - LEFT HAND AFT OUTBOARD SEAT TRACK NR 3 HAS PITTING AT STATION X516. REPAIRED IAW RD 8-53-3644.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,760 hrs · 21,358 cycles

PDX - LEFT HAND AFT OUTBOARD SEAT TRACK NR 2 HAS PITTING AT STATIONS X437, X485 AND X499. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,760 hrs · 21,358 cycles

PDX - LEFT HAND FORWARD OUTBOARD SEAT TRACK NR 1 HAS PITTING AT STATION X392. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,760 hrs · 21,358 cycles

PDX - RIGHT HAND FORWARD OUTBOARD SEAT TRACK NR 10 HAS MINOR PITTING AT STATIONS X393, X408 AND X424. REPAIRED IAW RD 8-53-1342.

Part: SKIN — CORRODED (PAX DOOR) · airframe 14,760 hrs · 21,358 cycles

PDX - MAIN CABIN DOOR OUTER SHELL HAS FRETTING CORROSION AT THE LOWER FORWARD MOUNT POINT FOR STEP ASSEMBLY. REPAIRED IAW DASH 8-200 SRM 52-0016.

Part: REPAIR — UNKNOWN (BS 531) · airframe 14,760 hrs · 21,358 cycles

PDX - REMOVE EXISTING REPAIR. LOWER FUSELAGE SKIN STATION X531.5 BETWEEN STRINGER 32S AND 32P. COMPLIED WITH HORIZON AIR EA 2-53-549 AND RD 8-53-7868.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,760 hrs · 21,358 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 HAS CORROSION AROUND THE CAM LOCK RECEPTICLES IN THE ENTRY WAY. THE CENTER RECEPTICLE AT STATION X238 APPEARS EXCESSIVE. REPAIRED IAW RD 8-53-1102, RD 8-53-4473 AND SRM 51-40-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,760 hrs · 21,358 cycles

PDX - RIGHT HAND FORWARD INBOARD SEAT TRACK NR 7 HAS CORROSION IN SEVERAL PLACES IN THE LAV AREA. ON SPOT AT STATION X214 APPEARS BEYOND LIMITS. REPAIRED IAW HORIZON AIR EO 2-53-344 AND DASH8-200 RD 8-53-1102, 8-5-7473 AND SRM 51-40-11.

Part: SILL — CORRODED (FUSELAGE) · airframe 14,760 hrs · 21,358 cycles

PDX - CORROSION UNDER/AROUND CARGO DOOR OPENING LOWER SILL, STATION X563.0, BLL 41.0, Z 100.0. REPAIRED IAW DASH8-200 SRM 51-40-11 AND SRM 51-20-26.

Part: SILL — CORRODED (BS 568) · airframe 14,760 hrs · 21,358 cycles

PDX - CORROSION UNDER/AROUND CARGO DOOR OPENING LOWER SILL, STATION X568.5, BLL 40.0, Z 100.0. REPAIRED IAW DASH8-200 SRM 51-40-11 AND SRM 51-20-26.

Part: ANGLE — CRACKED (FIREWALL) · airframe 14,760 hrs · 21,358 cycles

PDX - LEFT HAND NACELLE: FIREWALL, CLOSING ANGLE, RIGHT HAND TOP IS CRACKED. REPAIRED IAW DASH-200 RD 8-54-1565 AND AMM 20-14-01.

Part: THRESHOLD — CORRODED (FUSLEAGE) · airframe 14,760 hrs · 21,358 cycles

PDX - MAIN CABIN DOOR APERTURE THRESHOLD HAS CORROSION AROUND NUT PLATE SCREW HOLES ON TOP SIDE AND UNDER SIDE OF STRUCTURE. REPAIRED IAW DASH8-200 SRM 51-40-11.

Part: SUPPORT BRACKET — CRACKED (THRESHOLD) · airframe 14,760 hrs · 21,358 cycles

PDX - MAIN CABIN DOOR THRESHOLD SUPPORT BRACKET IS CRACKED THROUGH RIVET HOLE AT FUSELAGE STATION X240.5 AND WL Z100. REPAIRED IAW DASH 8-200 SRM 51-40-11.

Part: SEAT TRACK — CORRODED (BS 560-598) · airframe 14,760 hrs · 21,358 cycles

PDX - CORROSION UNDER LEFT HAND INBOARD SEAT TRACK NR 6, OUTBOARD FLANGE ON UPPER WEB FROM APPROXIMATELY STATION 560 TO 598. REPAIRED IAW DASH 8 200 SRM 53-00-16, 5120-16 AND SRM 51-20-46.

Part: HINGE — CHAFED (RUDDER) · airframe 14,760 hrs · 21,358 cycles

PDX - FORE RUDDER TRAILING EDGE TOP SAFETY HINGE HAS A CIRCULAR CHAFE MARK AROUND BOLT HOLE. REPAIRED IAW DASH 8 200 SRM 51-40-11 AND RD 8-55-353.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,760 hrs · 21,358 cycles

PDX - PITTING CORROSION/GOUGING ON LEFTHAND INBOARD SEAT TRACK AT STATION X540-547, BL9.0, Z100.0. REPAIRED IAW RD 8-53-4936 AND SRM 51-40-00 AND SRM 51-40-11.

Part: NUT PLATE — CORRODED (FUSELAGE) · airframe 14,760 hrs · 21,358 cycles

PDX - THE CENTER NUT PLATE FOR THIS OUTBOARD EDGE OF THE MAIN CABIN DOOR ENTRY FLOOR IS RUSTY. REPAIRED IAW DASH8-200 CPM, CHAPTER 4, PARAGRAPH 9 AND CPM CHAPTER 5, PARAGRAPH 2C.

Part: STRINGER — CORRODED (LT WING) · airframe 14,760 hrs · 21,358 cycles

PDX - LEFT HAND WING FUEL CELL - MID SURFACE CORROSION AND BARE METAL ON TOP OF STRINGER 6 AT YW 172.0. REPAIRED IAW DASH8-200 SR, 51-20-16 AND 51-20-36.

Part: FRAME — CORRODED (MLG ATTACH) · airframe 14,760 hrs · 21,358 cycles

PDX - LEFT HAND MAIN LANDING GEAR FRAME H-MEMBER HAS FRETTING CORROSION WHERE RETRACTION ACTUATOR ATTACH FITTING MATES IN THREE LOCATIONS. REPAIRED IAW RD 8-54-1178.

Part: FRAME — CORRODED (MLG ATTACH) · airframe 14,760 hrs · 21,358 cycles

PDX - RIGHT HAND MAIN LANDING GEAR FRAME (H-MEMBER) HAS FRETTING CORROSION WHERE RETRACT ACTUATOR ATTACH FITTING MATES. REPAIRED IAW RD 8-54-4178, PAGE 2.

Part: ADC — MALFUNCTIONED (NR 1) · airframe 14,483 hrs · 20,948 cycles

SEA FLIGHT NR 2290 WITH NAV AND HSI SELECT ON CAPTAINS SIDE, THE ADVISORY DISPLAY SHOWS DAOC DATA INVALID MESSAGE. CAPTAINS AIRSPEED INDICATOR DROPPED TO ZERO FOR ABOUT 8 - 10 SECONDS. CHECKLIST PROCEDURE WAS FOLLOWED WHICH ADVISED TO CHANGE HSI SELECT TO FIRST OFFICERS SIDE. CAPTAINS AIRSPEED THEN RETURNED TO NORMAL. MAINTENANCE REPLACED NR 1 AIR DATA COMPUTER IAW -8200 MTX TASK CARD 9340014. PERFORMED PITOT/STATIC LEAK TEST IAW MTC 9341101, NO LEAKS NOTED. PERFORMED THE TRANSPONDER TEST IAW MTC 9345001. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: DADC — MALFUNCTIONED (COCKPIT) · airframe 14,386 hrs · 20,833 cycles

PDX FLIGHT NR 2148, AIII FAILED THREE TIMES, DURING TWO APPROACHES IN SEA AND ONCE PDX 10R. APPROACH WARN FOLLOWED BY NO AIII AND A HEADING FLAG. MAINTENANCE REPLACED NR 1 DADC AND PERFORMED OPERATIONAL TEST IAW MTC 9340014, 53450001, 9344002 AND 934101. OPERATIONAL TEST GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — MALFUNCTIONED (EMERENCY LIGHT) · airframe 14,299 hrs · 20,692 cycles

SEA - FLIGHT ATTENDANT REPORTS EMERGENCY LIGHTS NEAR 1E OUT. MAINTENANCE REPLACED EMERGENCY BATTERY PACKS. AERIAL NUMBERS 9706303, H056, H092 AND 0049. ALL UNITS HAD 581.8 HOURS SINCE REPAIR. OPERATIONAL TEST OF ALL EMERGENCY LIGHTS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PUMP — MALFUNCTIONED (HYDRAULIC SYS) · airframe 14,237 hrs · 20,606 cycles

SEA FLIGHT 2108, AFTER DEPARTING HAD A NR 2 HYDRAULIC PRESSURE CAUTION. RAN CHECKLIST WENT BACK TO SEA. MAINTENANCE REPLACED NR 2 HYDRAULIC PUMP. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHT) · airframe 13,154 hrs · 19,002 cycles

PDX - EMERGENCY LIGHT IN CEILING PANEL INSIDE CABIN HAS 2 LIGHTS INOP. MAINTENANCE REPLACED THE BATTERY PACK PS3. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — MALFUNCTIONED (CARGO BAY) · airframe 12,788 hrs · 18,447 cycles

SEA - FLIGHT 2027 - THE CREW REPORTED AN INTERMITTENT SMOKE WARNING LIGHT WHILE AT CRUISE. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED BOTH THE AFT AND FORWARD SMOKE DETECTORS. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: O-RING — LEAKING (FUEL VALVE) · airframe 12,624 hrs · 18,203 cycles

PDX - FLIGHT 2268 - THERE WAS A FUEL LEAK NOTED BY THE SINGLE POINT REFUELING DOOR. MAINTENANCE INSPECTED THE AREA AND REPLACED THE MASTER REFUEL/DEFUEL VALVE O-RINGS. OPERATIONAL AND LEAK CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: PRESSURE SWITCH — DEFECTIVE (NR 1 ENGINE) · airframe 12,451 hrs · 17,948 cycles

SEA FLIGHT NR 2052 IN CRUISE NR 2 ENGINE FUEL BYPASS FILTER CAUTION ILLUMINATED, RAN CHECKLIST. NO ENGINE SURGES, ALL OPS OK ON APPROACH WHEN POWER WAS BROUGHT BACK CAUTION CAME ON AND OFF SEVERAL TIMES. MAINTENANCE REPLACED NR 1 ENGINE HP FUEL FILTER (NO CONTAMINATION FOUND) AND NR 1 ENGINE FUEL PUMP PRESSURE DIFFERENTIAL SWITCH. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: DOOR — OUT OF RIG (PAX DOOR) · airframe 12,171 hrs · 17,559 cycles

SEA - FLIGHT 2062 - THE FLIGHT ATTENDANT REPORTS THE MAIN CABIN DOOR IS DIFFICULT TO OPEN. MAINTENANCE INSPECTED THE DOOR AND FOUND IT OUT OF RIG. THE DOOR WAS RIGGED AND THE OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SMOKE DETECTOR — DIRTY (CARGO BAY) · airframe 12,091 hrs · 17,436 cycles

SEA - FLIGHT 2119 - DURING CRUISE FLIGHT, THE CREW RECEIVED A MASTER WARNING WITH ASSOCIATED SMOKE WARNING LIGHT. THIS OCCURRED TWICE DURING FLIGHT, HOWEVER, THE FLIGHT ATTENDANTS DID NOT OBSERVE, OR SMELL, ANY SMOKE. MAINTENANCE INSPECTED THE AIRCRAFT AND THE NR 1 AND NR 2 CARGO SMOKE DETECTORS. DUST WAS OBSERVED ON BOTH. THE DETECTORS WERE CLEANED AND OPERATIONAL CHECKS WERE PERFORMED. THE CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: TORQUE SENSOR — FAULTY (FLAP) · airframe 12,063 hrs · 17,393 cycles

BLI - FLIGHT 2279 - FLIGHT DIVERTED TO BLI WHEN DURING THE CLIMB THE CREW RECEIVED A FLAP POWER CAUTION. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE FLAP TORQUE SENSOR UNIT. THE OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: LIGHT — BROKEN (CABIN) · airframe 11,087 hrs · 15,920 cycles

ON FLIGHT 2112- NR 2 EMERGENCY FLOOR TRACK LIGHTING IS BROKEN. REMOVED AND REPLACED TRACK LIGHTING ASSEMBLY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — FAULTY (CARGO BAY) · airframe 10,974 hrs · 15,757 cycles

AT 10,000 FT MSL OVER OLY, CREW GOT AN INTERMITTENT MASTER WARNING/SMOKE LIGHT. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED BOTH CARGO SMOKE DETECTORS. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: WARNING LIGHT — ILLUMINATED (ZONE 200) · airframe 10,669 hrs · 15,292 cycles

PDX - ON FLIGHT NUMBER 2122, MASTER WARNING/SMOKE LIGHTS ILLUMINATED. BLINKS ON ABOUT EVERY 3 SECONDS LAST 10 MINUTES OF FLIGHT WITH NO ASSOCIATED INDICATION OF FIRE/SMOKE. PERFORMED OPERATIONAL CHECK OF BAGGAGE COMPARTMENT SMOKE DETECTORS, BOTH 1 AND 2 OPERATIONAL CHECKED GOOD. NO DEFECTS FOUND. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: INDICATOR — DEFECTIVE (WEATHER RADAR) · airframe 10,662 hrs · 15,280 cycles

SEA - ON FLIGHT 2195 DURING APPROACH, AN ELECTRICAL SMELL WAS NOTICED. WHEN ENGINES WERE SHUT DOWN, THE WEATHER RADAR WAS EMITTING A SIZZLING NOISE. REMOVED AND REPLACED RADAR INDICATION. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: O-RING — LEAKING (FUEL SYSTEM) · airframe 10,493 hrs · 15,030 cycles

PDX - A FUEL LEAK WAS NOTED ON THE NR 2 NACELLE AND APPEARS TO BE NEAR THE FUEL DOOR. MAINTENANCE REPLACED THE O-RINGS AT THE MASTER REFUEL/DEFUEL SHUTOFF VALVE AND ABOVE THE FILLER PORT. OPERATIONAL AND LEAK CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: POWER SUPPLY — DISCHARGED (CABIN) · airframe 10,486 hrs · 15,020 cycles

SEA - ON FLIGHT 2281 EMERGENCY LIGHT CIRCUIT BREAKER IS TRIPPED AND POWER SUPPLY PS2, PS3, PS4, PS5 AND PS6 ARE DISCHARGED. REMOVED AND REPLACED ALL BATTERIES LISTED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROLLER — MALFUNCTIONED (AUTOFEATHER SYS) · airframe 10,476 hrs · 15,006 cycles

SEA - FLIGHT 2283 AT 60 KTS AUTOFEATHER DID NOT ARM. AIRCRAFT RETURNED TO GATE. MAINTENANCE REPLACED THE AUTOFEATHER CONTROLLER. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. AIRCRAFT RETURNED TO SERVICE.

Part: STRUT — CHAFED (ZONE 400) · airframe 14,058 hrs · 14,979 cycles

PDX - LITE CHAFING DAMAGE ON NR 1 ENGINE LOWER INBOARD SUPPORT STRUT AT APPROXIMATELY STATION XN85.00. REPAIRED IAW HORIZON AIR EA 2-54-201.

Part: INDICATOR — FAILED (ZONE 100) · airframe 10,376 hrs · 14,861 cycles

PDX- ON FLIGHT 2201 AIRCRAFT RETURNED TO FIELD DUE TO STANDBY ATTITUDE INDICATOR FAILED ON DEPARTURE. REMOVED AND REPLACED INDICATOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PROXIMITY SENSOR — MALFUNCTIONED (ZONE 100) · airframe 10,363 hrs · 14,843 cycles

CREW REPORTED THE LT GEAR DOOR LIGHT AND LANDING GEAR INOP CAUTION CAME ON IN FLIGHT. THE FLIGHT ATTENDANT CONFIRMED THE LT SIDE GEAR DOORS WERE OPEN. THE CREW FOLLOWED THE CHECKLIST AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND CODE 53 ON THE PSEU. THE PSEU WAS REPLACED AND THE OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: CONNECTOR — LOOSE (BATTERY PACK) · airframe 12,065 hrs · 17,398 cycles

PDX-3RD AND 4TH EMERGENCY TRACK LIGHTS FAIL TO ILLUMINATE WHEN SELECTED ON. MAINTENANCE RESEATED CONNECTOR ON BATTERY PACK NR 5. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 9,828 hrs · 14,062 cycles

RT OUTBOARD TRACK NR 12 SEAT ATTACH AREA CORROSION ON TOP AT APPROXIMATELY X518.00. REPAIRED IAW RD 8-53-3644.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 9,828 hrs · 14,062 cycles

RIGHT INBOARD TRACK NR 9 SEAT ATTACH AREA CORROSION AND BARE METAL BOTTOM APPROXIMATELY X541.00. REPAIRED IAW DASH 8-2 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 9,828 hrs · 14,062 cycles

LEFT OUTBOARD NR 2 SEAT TRACK CORROSION IN SEAT ATTACH AREA TOP AND BOTTOM, APPROXIMATELY S438.00. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 9,828 hrs · 14,062 cycles

PDX - LEFT OUTBOARD TRACK NR 1 SEAT ATTACH AREA CORROSION UNDER INBOARD AND OUTBOARD LUGS, APPROXIMATELY X424.00. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 9,828 hrs · 14,062 cycles

PDX - LEFT OUTBOARD TRACK NR 2 SEAT ATTACH AREA HAS CORROSION TOP AND BOTTOM, APPROXIMATELY X487.00. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CHAFED (ZONE 100) · airframe 9,828 hrs · 14,062 cycles

PDX - RIGHT INBOARD TRACK NR 8 CHAFED IN BOTTOM FROM X446.00 TO X455.00 AND FROM X506.00 TO X515.00. REPAIRED IAW RD8-53-1339.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 9,828 hrs · 14,062 cycles

PDX - RIGHT INBOARD TRACK NR 8 SEAT ATTACH AREA CORROSION UNDER LUG OUTBOARD APPROXIMATELY X500.00. REPAIRED IAW RD 8-53-1339.

Part: SKIN — CHAFED (ZONE 500) · airframe 9,828 hrs · 14,062 cycles

CHAFING TOP INBOARD OF THE OUTBOARD FLAP ON LEFTHAND WING. REPAIRED IAW RD 8-57-1734.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 9,828 hrs · 14,062 cycles

LEFT OUTBOARD TRACK NR 3 SEAT ATTACH AREA CORROSION AND BARE METAL APPROXIMATELY X541.00. REPAIRED IAW SRM 51-20-16 AND 51-20-36.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 9,828 hrs · 14,062 cycles

PDX - RIGHT INBOARD TRACK NR 8 SEAT ATTACH AREA CORROSION BOTTOM OUTBOARD, APPROXIMATELY X487.00. REPLACED SEAT TRACK.

Part: SEAT TRACK — GOUGED (ZONE 100) · airframe 9,828 hrs · 14,062 cycles

LEFT OUTBOARD TRACK NR 2 TOP INBOARD EDGE GOUGED/NICKED, APPROXIMATELY X469.00. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-26.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 9,828 hrs · 14,062 cycles

PDX - LEFT OUTBOARD NR 1 SEAT TRACK CORROSION OUTBOARD LUG AND BARE METAL SEAT ATTACH AREA, APPROXIMATELY X312.00. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 9,828 hrs · 14,062 cycles

LEFT OUTBOARD TRACK NR 3 SEAT ATTACH AREA CORROSION TOP APPROXIMATELY X525.00. REPAIRED IAW RD 8-53-1342 AND DHC-8 SRM 51-20-16 AND 51-20-26.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 9,828 hrs · 14,062 cycles

PDX - LEFT OUTBOARD TRACK NR 1 SEAT ATTACH AREA CORROSION UNDER INBOARD AND OUTBOARD LUGS, APPROXIMATELY X393.00. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CORRODED (99126H6840) · airframe 9,828 hrs · 14,062 cycles

RIGHT OUTBOARD TRACK NR 12 SEAT ATTACH AREA CORROSION UNDER OUTBOARD LUG. REPAIRED IAW RD 8-53-3644.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 9,828 hrs · 14,062 cycles

LEFT OUTBOARD TRACK NR 2 SEAT ATTACH AREA CORROSION UNDER INBOARD LUG, APPROXIMATELY X455.00. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-26.

Part: SEAT TRACK — DAMAGED (ZONE 100) · airframe 9,828 hrs · 14,062 cycles

RIGHT HAND OUTBOARD TRACK NR 11 REQUIRES REPLACEMENT. REPLACED NR 11 SEAT TRACK IAW DHC-8-200 SRM 51-40-11.

Part: SEAT TRACK — DAMAGED (ZONE 100) · airframe 9,828 hrs · 14,062 cycles

RIGHT HAND OUTBOARD TRACK NR 10 REQUIRES REPLACEMENT. REPLACED SEAT TRACK IAW DHC-8-200 SRM 51-40-11.

Part: SEAT TRACK — DAMAGED (ZONE 100) · airframe 9,828 hrs · 14,062 cycles

NR 8 SEAT TRACK HAS A NR 6 RIVET HOLE BLOWN OUT ON BOTTOM FORWARD END IN SPLICE AREA THIRD HOLE AFT. REPAIRED IAW DHC-8 SRM 51-40-11 AND RD 8-55-4722.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,788 hrs · 14,000 cycles

PDX- RT INBOARD SEAT TRACK NR 7 HAS DEEP PITTING CORROSION ON TOP RAIL AROUND FASTENER HOLES BETWEEN STATION X196 AND X202. REPAIRED IAW RD8-53-1339, RD8-53-1102, RD8-53-4473 AND SRM 51-40-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,788 hrs · 14,000 cycles

PDX- LT HAND INBOARD SEAT TRACK NR 4 HAS DEEP PITTING CORROSION ON FLANGE AROUND RIVET HOLES BETWEEN STATION X195 AND X202. REPAIRED IAW RD8-53-1102, RD8-53-4473 AND SRM 51-40-11.

Part: BRACKET — CHAFED (ZONE 800) · airframe 9,788 hrs · 14,000 cycles

PDX- BRACKET FOR FORWARD DOOR STOP HAS CHAFE DAMAGE. REPAIRED IAW DHC-8 SRM 51-20-11 AND SRM 51-20-36.

Part: BRACKET — CHAFED (ZONE 800) · airframe 9,788 hrs · 14,000 cycles

PDX-AFT DOOR STOP BRACKET SECOND FROM BOTTOM, HAS CHAFE DAMAGE. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: BRACKET — CHAFED (ZONE 800) · airframe 9,828 hrs · 14,062 cycles

PDX - AFT PASSENGER DOOR STOP BRACKET HAS CHAFE DAMAGE. REPAIRED IAW DHC-8-200 SRM 51-20-11, SRM 51-20-16 AND SRM 51-20-36.

Part: BRACKET — CHAFED (PAX DOOR) · airframe 9,788 hrs · 14,000 cycles

PDX-BRACKET FOR PASSENGER DOOR LOWER FORWARD STOP BOLT HAS CHAFE DAMAGE. REPAIRED IAW DHC-8 SRM 51-20-11 AND SRM 51-20-36.

Part: FRAME — CHAFED (FUSELAGE) · airframe 9,788 hrs · 14,000 cycles

PDX- AFT BAGGAGE COMPARTMENT AFT FRAME 653.349 CHAFED AT FLOOR LEVEL AT OUTBOARD SIDE. REPAIRED IAW DHC-8 SRM 51-20-11 AND SRM 51-20-36.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 9,788 hrs · 14,000 cycles

PDX- SCRATCHES AND NICKS IN FUSELAGE SKIN FROM X539 TO X549 BETWEEN 23L AND 26L. REPAIRED IAW DHC-8 SRM 53-00-16 AND SRM 51-20-16.

Part: DOOR FRAME — CHAFED (ZONE 200) · airframe 9,828 hrs · 14,062 cycles

WEB CHAFED ABOVE BAG DOOR CUTOUT AT FRAME X564.5. REPAIRED IAW RD 8-53-5461.

Part: STOP FITTING — WORN (ZONE 200) · airframe 9,828 hrs · 14,062 cycles

PDX - TOP FORWARD PRESSURE STOP FITTING FOR BAG DOOR IS WORN APPROXIMATELY .020 INCH. REPAIRED IAW DHC-8 SRM 51-20-26.

Part: DOOR FRAME — CHAFED (ZONE 200) · airframe 9,828 hrs · 14,062 cycles

PDX - WEB CHAFED ABOVE BAG DOOR CUTOUT AT FRAME X580.5. REPAIRED IAW RD 8-53-5461.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,788 hrs · 14,000 cycles

PDX-LT INBOARD TRACK NR 5 BOTTOM OF TRACK CHAFED FROM X445 TO X455 AND X507 TO X515. REPAIRED IAW RD8-53-1339.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,788 hrs · 14,000 cycles

PDX-LEFT INBOARD TRACK NR 5 SEAT ATTACH AREA CORROSION UNDER OUTBOARD LUG. REPAIRED IAW RD8-53-1339.

Part: ATTACH FITTING — SCRATCHED (ZONE 300) · airframe 9,828 hrs · 14,062 cycles

HORIZONTAL STAB RIGHT HAND FORWARD ATTACH FITTING HAS SCRATCH MARKS AND SMALL DRILL START ON OUTBOARD FACE OF LUB. REPAIRED IAW RD 8-55-847.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,788 hrs · 14,000 cycles

PDX-LEFT INBOARD TRACK NR 5 SEAT ATTACH AREA CORROSION BETWEEN INBOARD X487.00. REPAIRED IAW RD8-53-1339.

Part: SKIN — CHAFED (ZONE 600) · airframe 9,828 hrs · 14,062 cycles

CHAFE MADE ON RIGHT HAND OUTBOARD FLAP, FORWARD OF TRAILING EDGE. REPAIRED IAW DHC-8-200 RD8-57-1738.

Part: ARM — GOUGED (ZONE 700) · airframe 9,788 hrs · 14,000 cycles

NOSE LANDING GEAR TRAILING ARM GOUGED AND CHAFED OVER 3 INCH AREA ON BOTTOM FORWARD END. REPAIRED IAW RD8-32-289.

Part: ATTACH FITTING — SCRATCHED (ZONE 300) · airframe 9,828 hrs · 14,062 cycles

HORIZONTAL STAB LEFT HAND FORWARD ATTACH FITTING HAS SCRATCH MARKS AND SMALL DRILL START ON OUTBOARD FACE OF LUG. REPAIRED IAW RD 8-55-847.

Part: SILL — CORRODED (ZONE 100) · airframe 9,788 hrs · 14,000 cycles

PDX-CORROSION AROUND AIRSTAIR DOOR SILL NUT PLATES FORWARD OF AFT HINGE TO FORWARD OF FORWARD HINGE. REPAIRED IAW DHC-8 SRM 51-10-16, SRM 51-20-36 AND SRM 51-40-00.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,788 hrs · 14,000 cycles

PDX-LT INBOARD TRACK NR 6 HAS CORROSION AROUND NUT PLATE AT STATION X564.00 AND X580.00. REPAIRED IAW RD8-51-103 AND SRM 51-40-11.

Part: SPAR — CRACKED (ZONE 400) · airframe 9,788 hrs · 14,000 cycles

PDX- BRACKET CRACKED AT YW128.0R, RIGHT HAND FWD SPAR NEXT TO NR 2 ENGINE NACELLE. REPAIRED IAW DHC-8 SRM 51-40-00.

Part: THRESHOLD — CORRODED (ZONE 800) · airframe 9,828 hrs · 14,062 cycles

PDX - ALL NUT PLATES UNDER PASSENGER DOOR THRESHOLD SHOW EVIDENCE OF CORROSION. REPAIRED IAW DHC-8 SRM 51-40-00.

Part: LINE — LEAKING (MLG) · airframe 9,561 hrs · 13,665 cycles

IDA- ON FLIGHT 2204, DURING SHUTDOWN AT THE GATE MASSIVE FLUID LEAK ON NR 1 ENGINE NACELLE. NR 1 HYDRUALIC QUANTITY ZERO AND PARK BRAKE PRESSURE ZERO. FOUND NR 1 LOWER BRAKE LINE LEAKING. REMOVED AND REPLACED BRAKE LINE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: RIVET — SHEARED (RT NACELLE) · airframe 8,569 hrs · 12,172 cycles

PDX- RIGHT HAND NACELLE HAS FOUR SHEARED RIVETS ON VERTICAL STIFFENER EIGHT INCHES OUTBOARD OF MASTER REFUEL/DEFUEL VALVE AT TOP OF NACELLE. REPAIRED IAW DHC-8 SRM 51-40-11.

Part: FUSE — OPEN (ELECTRICAL SYS) · airframe 8,009 hrs · 11,364 cycles

SEA ON FLIGHT NR 2143- RIGHT TRU AND RIGHT STALL WARNING CAUTION LIGHTS CAME ON IN CRUISE FLIGHT. RIGHT TRU CIRCUIT BREAKER ALSO TRIPPED. AFTER .05 MINS RIGHT STALL WARNING CAUTION LIGHT BEGAN TO GO OFF AND ON WITH NO PATTERN. REPLACED RIGHT HAND VARIABLE FREQUENCY AC SUPPLY PHASE "B" FUSE F10 DUE TO OPEN CONDITION. ALSO REPLACED RIGHT HAND PROP D/I BRUSH BLOCK DUE TO SHORTED CONDITIONS. GROUND RAN NR 2 ENGINE, NO TRU ON STALL WARNING CONDITIONS NOTED. ALL INDICATIONS NORMAL. AIRCRAFT RETURNED TO SERVICE.

Part: HYDRAULIC SYSTEM — LOW (NR 1 AND 2) · airframe 7,561 hrs · 10,723 cycles

SEA - AIRCRAFT RETURNED TO FIELD WHEN HYDRAULIC PRESSURE INDICATED 0 AND QUANTITY INDICATED LOW. MAINTENANCE INSPECTED THE AIRCRAFT AND SERVICED THE NR 1 AND 2 HYDRAULIC SYSTEMS. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SENSOR — FAILED (ZONE 400) · airframe 7,108 hrs · 10,066 cycles

PDX - AIRCRAFT RETURNED TO FIELD WHEN ON CLIMBOUT THE NUMBER 2 ENGINE FUEL TEMP GAUGE FLUCTUATED BETWEEN 60 AND 80 DEGREES. TEMPERATURE GAUGE INDICATED NORMAL ON GROUND. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE NUMBER 2 FUEL TEMPERATURE BULB. OPERATIONAL CHECKS AND LEAK CHECKS WERE GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 6,937 hrs · 9,820 cycles

PDX-FORWARD EMERGENCY EXIT LIGHT WILL NOT ILLUMINATE. REPLACED BATTERY PACK. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY — INOPERATIVE (ZONE 200) · airframe 6,937 hrs · 9,820 cycles

PDX-EMERGENCY LIGHTS CAN NOT BE CONTROLLED OFF BATTERY BUS ALONE. WORK OFF WITH EXTERNAL POWER. REPLACED 3351-K4 RELAY. OPERATIONAL TEST GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WIRE — BROKEN (CABIN) · airframe 6,767 hrs · 9,580 cycles

PDX- EMERGENCY LIGHT STRIP CONNECTOR HAS BROKEN WIRE AT FLOOR PANEL 133DZ. CRIMPED NEW PIN ON WIRE CONNECTOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — INOPERATIVE (ZONE 200) · airframe 6,767 hrs · 9,580 cycles

PDX- RED EMERGENCY EXIT LIGHT STRIP ON PANEL 133CZ IS INOPERATIVE. REMOVED AND REPLACED BATTERY PACK AT PS6. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNE TO SERVICE.

Part: ODOR — DETECTED (COCKPIT) · airframe 9,994 hrs · 14,036 cycles

PDX- FISHY ODOR IN COCKPIT. CHECKED INVERTERS, NO DEFECTS NOTED. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: GUIDE — DEFECTIVE (PAX DOOR) · airframe 5,939 hrs · 8,351 cycles

SEA - MAIN CABIN DOOR NEARLY IMPOSSIBLE TO OPEN. REPLACED PASSENGER DOOR HANDLE GUIDE STOP. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SKIN — DAMAGED (LE FLAP) · airframe 4,796 hrs · 6,712 cycles

PDX-RIGHT HAND WING LEADING EDGE 612AR HAS A FASTENER HOLE TORN OUT 9.5 INCHES FROM INBOARD END IN BOTTOM ROW. REPAIRED IAW HORIZON AIR EA 2-57-124 AND RD8-57-2030.

Part: ACCESS PANEL — CORRODED (WING) · airframe 4,796 hrs · 6,712 cycles

PDX-ACCESS PANEL 523AT COUNTERSINK HOLES HAVE PITTING CORROSION. REPAIRED IAW DHC-8 RD8-57-1715.

Part: PANEL — CORRODED (WING) · airframe 4,796 hrs · 6,712 cycles

PDX - NUMEROUS COUNTER SUNK HOLES ON PANEL 623AT HAVE PITTING CORROSION. REPAIRED IAW RD-8-57-1715.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,796 hrs · 6,712 cycles

PDX-REPLACE NR 7 SEAT TRACK DUE TO CORROSION. REPLACED IAW DHC-8 SRM 51-40-11 AND SRM 51-40-00.

Part: COWLING — DAMAGED (RT NACELLE) · airframe 4,796 hrs · 6,712 cycles

PDX - RIGHT-HAND LOWER COWL STIFFNER ON TOP DECK HAS CHAGE APPROXIMATELY 27" FORWARD OF AFT END OUTBOARD SIDE. REPAIRED IAW HORIZON AIR EA 2-71-151.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,796 hrs · 6,712 cycles

PDX-REPLACE RIGHT HAND INBOARD AFT SEAT TRACK STATION 551.5 - 600.0 NR 9 DUE TO CORROSION. REPLACED IAW DHC-8 RD8-53-4472 AND SRM 51-40-00.

Part: COWLING — CHAFED (RT NACELLE) · airframe 4,796 hrs · 6,712 cycles

PDX - RIGHT-HAND LOWER COWL INTAKE FLANGE HAS A SCREW HEAD CHAFE AT THE OUTBOARD SIDE OF THE RING. CHAFE MEASURES .375 WIDE AND IS APPROXIMATELY .008" DEEP. REPAIRED IAW HORIZON AIR EA 2-71-152 AND RD 8-71-74.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 4,796 hrs · 6,712 cycles

PDX-SEAT TRACK NR 9 HAS GOUGE JUST FORWARD OF STATION 545. REPAIRED IAW DHC-8 SRM 51-00-06 AND RD8-53-784.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,796 hrs · 6,712 cycles

PDX-SEAT TRACK NR 9 HAS SPOTS OF CORROSION ON INSIDE OF TRACK AT FRAME 597.5. REPAIRED IAW DHC-8 RD8-53-784.

Part: SKIN — CHAFED (TE FLAP) · airframe 4,796 hrs · 6,712 cycles

PDX-RIGHT HAND WING INBOARD FLAP UPPER SURFACE NEAR LEADING EDGE IS LIGHTLY CHAFED DUE TO CONTACT WITH WING TRAILING EDGE SHROUD. REPAIRED IAW DHC-8 RD8-57-1241.

Part: SKIN — CHAFED (TE FLAP) · airframe 4,796 hrs · 6,712 cycles

PDX-AT STATION YW 204.00 TO YW 261.00 TOP OF FLAP THERE IS CHAFING A LONG LINE. REPAIRED IAW DHC-8 RD8-57-1022.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,796 hrs · 6,712 cycles

PDX-SEAT TRACK NR 4 HAS CORROSION ON OUTBOARD FLANGE AT ZUES FASTENER FRAME 252.7. REPAIRED IAW DHC-8 SRM 51-40-11 AND SRM 51-40-00.

Part: STRUCTURE — DENTED (INSTRUMENT PANEL) · airframe 4,796 hrs · 6,712 cycles

PDX-DENT AT STATION X136.800, 5 INCHES OUT OF RADIO ALTIMETER ON RIGHT SIDE. REPAIRED IAW DHC-8 RD8-53-2181.

Part: SKIN — CHAFED (RT WING) · airframe 4,796 hrs · 6,712 cycles

PDX - RIGHT-HAND WING UPPER SURFACE HAS LIGHT CHAFING AROUND SCREW HOLES IN AFT ROW OF PANEL 422ET. REPAIRED IAW MM 20-32-02, 20-34-11, PAGES 201-203

Part: SKIN — SCRATCHED (CARGO DOOR) · airframe 4,796 hrs · 6,712 cycles

PDX-CARGO DOOR HAS SCRATCH IN DOOR SKIN LOCATED ON LOWER SIDE. REPAIRED IAW DHC-8 RD8-52-230.

Part: STRUCTURE — CORRODED (RT PYLON) · airframe 4,796 hrs · 6,712 cycles

PDX-RIGHT SIDE MAIN LANDING GEAR "H" MEMBER ACTUATOR ATTACH POINT HAS SURFACE CORROSION. REPAIRED IAW HORIZON AIR EA 2-54-88.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,796 hrs · 6,712 cycles

PDX-SEAT TRACK NR 7 HAS CORROSION AND A SCRATCH AT STATION 244. REPAIRED IAW DHC-8 SRM 51-40-11 AND SRM 51-40-00.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,796 hrs · 6,712 cycles

PDX-SEAT TRACK NR 7 HAS CORROSION AND A SCRATCH AT STATION 244. REPAIRED IAW DHC-8 SRM 51-40-11 AND SRM 51-40-00.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,796 hrs · 6,712 cycles

PDX-SEAT TRACK NR 7 HAS CORROSION ON OUTBOARD FLANGE BY ZUES FASTENER HOLE AT STATION 245. REPAIRED IAW DHC-8 SRM 51/40/11 AND SRM 51/40/00.

Part: ATTACH FITTING — CORRODED (MLG ACTUATOR) · airframe 4,796 hrs · 6,712 cycles

PDX-RIGHT SIDE MAIN LANDING GEAR "H" MEMBER ACTUATOR ATTACH POINT HAS SURFACE CORROSION. REPAIRED IAW HORIZON AIR EA 2-54-88.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,796 hrs · 6,712 cycles

PDX-SEAT TRACK NR 4 HAS CORROSION ON OUTBOARD FLANGE AT STATION 234.5. REPAIRED IAW DHC-8 RD8-53-1539.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,796 hrs · 6,712 cycles

PDX-SEAT TRACK NR 6 HAS SEVERAL SPOTS OF CORROSION AT STATION 597.5. REPAIRED IAW DHC-8 RD8-53-1339. AND RD8-53-4936.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,796 hrs · 6,712 cycles

PDX- SEAT TRACK NR 6 HAS SPOTS OF CORROSION ON INSIDE OF TRACK AT STATION 547.5. REPAIRED IAW DHC-8 RD8-53-1339.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,796 hrs · 6,712 cycles

PDX-SEAT TRACK NR 8 HAS CORROSION INSIDE TRACK AT STATION 500. REPAIRED IAW DHC-8 SRM 51-20-26 AND RD8-53-1339.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 4,796 hrs · 6,712 cycles

PDX-SEAT TRACK NR 3 HAS GOUGE ON INSIDE OF TRACK AT FRAME 531.5. REPAIRED IAW DHC-8 RD8-53-3644.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 4,796 hrs · 6,712 cycles

PDX-SEAT TRACK NR 8 HAS CORROSION INSIDE TRACK AT STATION 435. REPAIRED IAW DHC-8 SRM 51-20-26 AND RD8-53-1339.

Part: FLANGE — GOUGED (VERTICAL STAB) · airframe 4,796 hrs · 6,712 cycles

PDX-FOUR TOOLING GOUGES ON UPPER HALF OF VERTICAL STABILIZER FORWARD LEADING EDGE MOUNT FLANGE. REPAIRED IAW DHC-8 RD8-55-584.

Part: FLANGE — SCRATCHED (VERTICAL STAB) · airframe 4,796 hrs · 6,712 cycles

PDX-RIGHT HAND STABILIZER FORWARD SPAR LOWER EDGE FLANGE HAS SMALL SCRATCH NEAR RIB 8 STATION YH77.500. REPAIRED IAW DHC-8 RD8-55-626.

Part: STRUCTURE — GOUGED (VERTICAL STAB) · airframe 4,796 hrs · 6,712 cycles

PDX-THREE TOOLING GOUGES ON LOWER RIGHT HAND VERTICAL STABILIZER LEADING EDGE MOUNTING FLANGE. REPAIRED IAW DHC-8 RD8-55-584.

Part: FLANGE — TOOL DAMAGE (VERTICAL STAB) · airframe 4,796 hrs · 6,712 cycles

PDX-SEVERAL TOOLING GOUGES AND SCRATCHES ON LEFT HAND VERTICAL STABILIZER LEADING EDGE MOUNT FLANGE. REPAIRED IAW DHC-8 RD8-55-584.

Part: FLANGE — SCRATCHED (STABILIZER) · airframe 4,796 hrs · 6,712 cycles

PDX-LEFT HAND STABILIZER FORWARD SPAR UPPER FLANGE HAS TOOL SCRATCH NEAR RIB 8, STATION YH77.500. REPAIRED IAW DHC-8 RD8-55-626.

Part: FLANGE — GOUGED (VERTICAL STAB) · airframe 4,796 hrs · 6,712 cycles

PDX-NUMEROUS TOOL GOUGES/SRATCHES ON UPPER HALF OF VERTICAL STABILIZER FORWARD SPAR RIGHT HAND LEADING EDGE MOUNT FLANGE. REPAIRED IAW DHC-8 RD8-55-584.

Part: FLANGE — GOUGED (VERTICAL STAB) · airframe 4,796 hrs · 6,712 cycles

PDX-SEVERAL TOOLING GOUGES AND SCRATCHES ON LEFT HAND VERTICAL STABILIZER LEAD EDGE MOUNT FLANGE. REPAIRED IAW DHC-8 RD8-55-584.

Part: FLANGE — DAMAGED (VERTICAL STAB) · airframe 4,796 hrs · 6,712 cycles

PDX-TOOL SCRATCH ON RIGHT HAND SIDE OF VERTICAL STABILIZER TOP RIB MOUNT FLANGE STATION AT 325AT. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 55-30-16.

Part: DUCT — OUT OF POSITION (CABIN) · airframe 4,219 hrs · 5,882 cycles

PDX-EN-ROUTE TO LMT AT FLIGHT LEVEL 21,000 FEET, HEARD A LOUD POP AND THEN EXPERIENCED A RAPID DEPRESSURIZATION. DESCENT TO FLIGHT LEVEL 10,000 FEET. UPON INSPECTION, FOUND RIGHT HAND DUCT BLOWN OFF OF RECIRCULATION FAN. REINSTALLED DUCT AND TIGHTENED ALL FOUR CLAMPS ON FAN INTAKE AND OUTLET. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: PSEU — MALFUNCTIONED (CABIN) · airframe 2,967 hrs · 4,128 cycles

PDX- LANDING GEAR INOPERATIVE CAUTION FOLLOWED BY LEFT DOOR AMBER LIGHT. AIRCRAFT RETURNED TO PDX WITHOUT INCIDENT. REMOVED AND REPLACED PSEU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY — MALFUNCTIONED (CABIN) · airframe 2,444 hrs · 3,416 cycles

SEA-RIGHT HAND AFT EMERGENCY EXIT LIGHT INOPERATIVE. REPLACED BATTERY AT PS4. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. (X)

Part: CABLE — MALFUNCTIONED (CARGO DOOR) · airframe 2,327 hrs · 3,265 cycles

SEA- MAIN CABIN DOOR WILL NOT OPEN. REMOVED AND REPLACED MAIN CABIN DOOR BALANCE CABLE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.