N352PH

Part: DEICE SYSTEM — MALFUNCTIONED (HORIZ STAB)

FLIGHT 2078. DIVERTED TO RDM FOR LT HORIZONTAL STABILIZER DE-ICE CAUTION LIGHT. DIVERSION DUE TO PENDING CLOUDS AND ICE CONDITIONS. MAINTENANCE REPLACED THE LEADING EDGE 332CL. CHECKS GOOD. RETURNED TO SERVICE. (K)

Part: TRIM PANEL — INOPERATIVE (COCKPIT) · airframe 24,250 hrs · 35,191 cycles

PDX - RUDDER TRIM SWITCH FAILED, WOULD TRIM TO THE RIGHT BUT NOT TO THE LEFT. ON FINAL APPROACH, RUNAWAY TRIM FULL RIGHT RUDDER. ACCOMPLISHED A UNEVENTFUL LANDING. MAINTENANCE REPLACED THE TRIM PANEL, SWITCH INOP. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — INOPERATIVE (CARGO BAY) · airframe 24,144 hrs · 35,024 cycles

PSC - FLIGHT 2097 - BOTH BAGGAGE SMOKE DETECTORS INOP. MAINTENANCE REPAIRED A CHAFED WIRE AT 2612-P3 CONNECTOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: SKIN PANEL — CORRODED (FUSELAGE) · airframe 24,011 hrs · 34,821 cycles

PDX -C4- CORROSION ON BAG FLOOR LEVEL SKIN PANEL AT FWD EDGE OF CIRCULAR PANEL JUST O/B FROM PANEL 144HZ, STAX593. REMOVED CIRCULAR PANEL BY REMOVING SCREWS TO FACILITATE BLEND. REMOVED ONE NUTPLATE REF DHC 8/200 SRM 51-40-11 TO FACILITATE BLEND. BLENDED LIGHT SURFACE CORROSION REF DHC 8/200 CPCM CHAPTER 4. HFEC INSPECTED BLEND AREA FOR CRACKS IAW D 8/200 NDTM, PART 6, 51-00-01, NO CRACKS NOTED. UT THICKNESS CHECK OF BLENDED AREA IAW -8/200 NDTM PART 1, 51-00-04 HIGH .040 LOW .037. AREA OF BLEND WITHIN LIMITS REF DHC 8 SRM 51-20-11. APPLIED ETCH ALODINE AND PRIMER IAW DHC 8 SRM 51-20-16 AND 51-20-36. REINSTALLED NUTPLATE REF DHC 8 200 SRM 51-40-11.

Part: SKIN — CRACKED (NR 1 NACELLE) · airframe 24,011 hrs · 34,821 cycles

PDX - C4- NR 1 NACELLE SKIN FWD MLG DOOR APERATURE, O/B FWD CORNER, HAS A 1/2" CRACK. CUTOUT DAMAGE REF RD8-54-873. PERFORMED HFEC AROUND CUT OUT IAW NDTM PART 6, 51-00-01, NO CRACKS NOTED. COMPLETED REPAIR IAW RD8-54-873 NOTES 2-5.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 24,011 hrs · 34,821 cycles

PDX -C4- CORROSION ON STR 24P FROM AFT SIDE OF FRAME AT STA X488 TO APPROXIMATELY STA X522, LT UNDER FLOOR. REMOVED CORROSION IAW D-8 200 CPCM CHAPTER 4. HFEC INSPECTED BLEND AREA FOR CRACKS IAW D-8 200 NDTM PART 6, 51-00-01, NO CRACKS NOTED. UT THICKNESS CHECK OF BLENDED AREA IAW -8 200 NDTM PART 1, 51-00-04 HIGH .071 LOW .064. BLENDED AREA FOUND WITHIN LIMITS IAW SRM 51-20-11 WITH .007" MATERIAL REMOVED.

Part: FLOORBEAM — CORRODED (FUSELAGE) · airframe 24,011 hrs · 34,821 cycles

PDX -C4- CORROSION FOUND ON RT FLOORBEAM CASTELLATION AT STA 565. REMOVED FIVE RIVETS FROM CASTELLATION AND BLENDED OUT CORROSION REF CPCM CHAPTER 4. HFEC INSPECTED BLEND AREA FOR CRACKS IAW NDTM PART 6, 51-00-01, NO CRACKS NOTED. UT THICKNESS CHECK OF BLENDED AREA IAW NDTM PART 1, 51-00-04 HIGH .050 LOW .047. AREA OF BLEND WITHIN LIMITS PER SRM 51-20-11. APPLIED ALODINE AND PRIMER IAW SRM 51-20-16 AND 51-20-36. INSTALLED RIVETS IN CASTELLATION REF SRM 51-40-11.

Part: SKIN — CRACKED (NR 1 NACELLE) · airframe 24,011 hrs · 34,821 cycles

PDX -C4- NR 1 NACELLE SKIN INBD SIDE HAS 3/4" CRACK, AFT UPPER CORNER OF PANEL 416AR APERATURE. REPAIRED DAMAGE REFERENCING RD8-54-1193. HFEC INSPECTED AREA FOR CRACKS IAW D 8/200 NDTM, PART 6, 51-00-01, NO CRACKS NOTED.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 24,011 hrs · 34,821 cycles

PDX - C4- RT INBD SEAT TRACK NR 7 HAS SEVERAL AREAS OF CORROSION AT STA X214 TO X228. REMOVED SEAT TRACK AND INSTALL NEW SEAT TRACK IAW SRM 51-40-00 AND 51-40-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 24,011 hrs · 34,821 cycles

PDX - C4 - LT INBD SEAT TRACK NR 4 HAS SEVERAL AREAS OF CORROSION AT STA X209, X228, X240, X250, X268. REMOVED SEAT TRACK AND INSTALL NEW SEAT TRACK IAW DHC 8 (200) SRM 51-40-00 AND 51-40-11.

Part: FRAME — CORRODED (CARGO DOOR) · airframe 24,011 hrs · 34,821 cycles

PDX -C4- CORROSION ON AFT BAG DOOR CANTED FRAME JUST FWD OF THE LOWER AFT DOOR STOP (ON FUSELAGE) STA X580.5. REMOVED LIGHT SURFACE CORROSION BYBLEND MARKED AREAS, NOMINAL AMOUNT OF MATERIAL REMOVED, REF CPCM CHAPTER 4. HFEC INSPECTED BLEND AREA FOR CRACKS IAW NDTM, PART 6, 51-00-01, NO CRACKS NOTED. UT THICKNESS CHECK OF BLENDED AREA IAW NDTM PART 1, 51-00-04 HIGH .066 LOW .064. AREA OF BLEND WITHIN LIMITS REF SRM 51-20-11. APPLIED ETCH ALODINE AND PRIMER IAW SRM 51-20-16 AND 51-20-36.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · airframe 24,011 hrs · 34,821 cycles

PDX -C4- CORROSION ON UNDERSIDE OF TOP FLANGE ON INTERCOSTAL BY NUTPLATE I/B END AT STA X591 AND Y11.0 JUST O/B OF LT I/B SEAT TRACK. REMOVED 2 NUTPLATES AND REMOVED CORROSION IAW CPCM CHAPTER 4. HFEC INSPECTED BLEND AREA FOR CRACKS IAW NDTM PART 6, 51-00-01, NO CRACKS NOTED. UT THICKNESS CHECK OF BLENDED AREA IAW NDTM PART 1, 51-00-04 HIGH .040 LOW .036. BLEND WITHIN LIMITS PER SRM 51-20-11. APPLIED ALODINE AND PRIMER IAW SRM 51-20-16 AND 51-20-36. INSTALLED TWO NUTPLATES IAW SRM 51-40-11.

Part: SKIN — CORRODED (FUSELAGE) · airframe 24,011 hrs · 34,821 cycles

PDX - C4 - CORROSION ON BOTTOM SIDE OF FLOOR LEVEL SKIN AT NUT PLATE HOLE STA X597.5 AND Y22 LT (LT SIDE ANGLE AT X597.5). DRILLED OUT NUT PLATE AND REMOVED CORROSION IAW DHC 8/200 CPCM CHAPTER 4. HFEC INSPECTED BLENDED AREA FOR CRACKS IAW D 8/200 NDTM, PART 6, 51-00-01, NO CRACKS NOTED. UT THICKNESS CHECK OF BLENDED AREA IAW -8/200 NDTM PART 1, 51-00-04 HIGH .040 LOW .036. AREA OF BLEND WITHIN LIMITS REF DHC 8 SRM 51-20-11. APPLIED ETCH ALODINE AND PRIMER IAW DHC 8 SRM 51-20-16 AND 51-20-36. REINSTALLED NUT PLATE REF DHC 8 200 SRM 51-40-11.

Part: ACCESS PANEL — CORRODED (FUSELAGE) · airframe 24,011 hrs · 34,821 cycles

PDX -C4- CORROSION AROUND NUTPLATE HOLES (TOP AND BOTTOM SIDES) ON APERATURE FOR BAG BAY FLOOR PANEL 144HZ. REMOVED RIVETS TO FACILITATE BLEND, REF DHC 8 200 SRM 51-40-11. REMOVED NUTPLATES TO FACILITATE BLEND REF DHC 8 200 SRM 51-40-11. BLENDED LIGHT SURFACE CORROSION OF TOP SURFACE OF SKIN ON FWD AND OUTBOARD SIDE OF ACCESS PANEL, BLENDED CORROSION ON FWD UNDERSIDE OF ACCESS PANEL REF CPM CHAPTER 4 STEP 8. HFEC INSPECTED BLENDED AREA FOR CRACKS IAW D-8/200 NDTM PART 6, 51-00-01. NO CRACKS NOTED. UT THICKNESS CHECK OF BLENDED AREA IAW -8/200 NDTM PART 1, 51-00-04 HIGH .040 LOW .037. AREA BLENDED WITHIN LIMITS PER DHC 8 SRM 51-20-11. APPLIED ETCH, ALODINE AND PRIMER IAW D8 200 SRM 51-20-16 AND 51-20-36. REINSTALLED NUT PLATES REF DASH 8 SRM 51-40-11.

Part: SKIN PANEL — CORRODED (FUSELAGE) · airframe 24,011 hrs · 34,821 cycles

PDX - C4- CORROSION ON BAG BAY FLOOR LEVEL SKIN PANEL (LT SIDE) AROUND NUT PLATE HOLE (TOP AND BOTTOM) STA X580.5 AND Y28.0. REMOVED RIVETS HOLDING NUT PLATE RETAINER TO FACILITATE BLEND. REF DHC 8 200 SRM 51-40-11. REMOVED NUT PLATE FROM RETAINER TO CHECK FOR CORROSION REF DHC 8 200 SRM 51-40-11. BLENDED LIGHT SURFACE CORROSION OF TOP SURFACE OF MARKED SKIN REF CPCM CHAPTER 4 STEP 8. HFEC INSPECTED BLEND AREA FOR CRACKS IAW D-8 200 NDTM PART 6, 51-00-01. NO CRACKS NOTED. UT THICKNESS CHECK OF BLENDED AREA IAW -8 200 NDTM PART 1, 51-00-04 HIGH .040 LOW .037. AREA BLENDED WITHIN LIMITS PER DHC 8/200 SRM 51-20-11. APPLIED ETCH, ALODINE AND PRIMER IAW D8 200 SRM 51-20-16 AND 51-20-36. REINSTALLED NUT PLATE AND RETAINER REF DASH 8 SRM 51-40-11.

Part: FRAME — CORRODED (FUSELAGE) · airframe 24,011 hrs · 34,821 cycles

PDX -C4- SUSPECT CORROSION ON FRAME CASTELLATION AT FRAME X580.5 JUST O/B OF STR 31S. REMOVED RIVETS FROM CASTELLATION AND BLENDED OUT CORROSION REF DHC8/200 CPCM CHAPTER 4. HFEC INSPECTED BLEND AREA FOR CRACKS IAW D 8/200 NDTM, PART 6, 51-00-01, NO CRACKS NOTED. UT THICKNESS CHECK OF BLENDED AREA IAW -8/200 NDTM PART 1, 51-00-04 HIGH .050 LOW .047. AREA OF BLEND WITHIN LIMITS REF DHC 8 SRM 51-20-11. APPLIED ETCH ALODINE AND PRIMER IAW DHC 8 SRM 51-20-16 AND 51-20-36. REINSTALLED RIVETS IN CASTELLATION REF DHC 8 200 SRM 51-40-11.

Part: SILL — CORRODED (CARGO DOORWAY) · airframe 24,011 hrs · 34,821 cycles

PDX - C4- MCD THRESHOLD UPPER SILL PLATE HAS CORROSION AT SEVERAL FASTENER HOLES. REMOVED MCD UPPER SILLPLATE BY REMOVING RIVETS, INSTALLED NEW THRESHOLD AND NUTPLATE REF SRM 51-40-11.

Part: FITTING — CORRODED (FUSELAGE) · airframe 24,011 hrs · 34,821 cycles

PDX -C4- CORROSION AT MCD SEAL INFLATION FITTING ON SKIN ORIFICE BELOW THRESHOLD. REMOVED THE MCD SEAL INFLATION HOSE AND 2 RIVETS FROM THE MCD SEAL RETAINER AND REMOVED CORROSION FROM AROUND THE HOLE IAW RD8-53-8921. BLENDED OUT CORROSION IAW DHC8/200 CPCM CHAPTER 4 AND ALODINED AREA IAW DHC8/200 SRM 51-20-16. MEASURED AREA AND FOUND AREA TO BE WITHIN LIMITS IAW DHC 8/200 SRM 51-20-11. HFEC INSPECTED BLEND AREA FOR CRACKS IAW D 8/200 NDTM, PART 6, 51-00-01, NO CRACKS NOTED. PRIMED IAW DHC 8 SRM 51-20-36. REINSTALLED RIVETS REF DHC 8 200 SRM 51-40-11.

Part: ANGLE — CORRODED (THRESHOLD) · airframe 24,011 hrs · 34,821 cycles

PDX -C4- CORROSION ON AFT BAG DOOR THRESHOLD ANGLE, ANGLE IS CONNECTING THRESHOLD BULKHEAD AT STA X597.5. REMOVED THRESHOLD ANGLE BY DRILLING OUT RIVETS, REMOVING LOCK FASTENERS AND SCREWS. DRILLED UP NEW ANGLE FROM STOCK INSTALLED 2 NUTPLATES. INSTALL NEW ANGLE BY INSTALLING RIVETS, LOCK FASTENERS AND SCREWS REF SRM 51-40-11.

Part: THRESHOLD — CORRODED (CARGO DOORWAY) · airframe 24,011 hrs · 34,821 cycles

PDX -C4- MCD THRESHOLD CORROSION 2 AREA AND FWD END BETWEEN THRESHOLD AND SILL PLATE. REMOVED THE MCD THRESHOLD BY DRILLING OUT THE RIVETS HOLDING THE THRESHOLD TO LOWER SILL PLATE, REMOVED 5 NUT PLATES. REMOVED CORROSION FROM LOWER SILL PLATE IAW RD8-53-8921 STEP 1. BLENDED OUT CORROSION AND ALODINED BLENDED AREA IAW RD8-53-8921. HFEC INSPECTED BLEND AREA FOR CRACKS IAW NDTM, PART 6, 51-00-01, NO CRACKS NOTED. BLENDED AREA FOUND TO BE WITHIN LIMITS IAW RD8-53-8921. REMOVED LESS THAN .009" MATERIAL, REMAINING THICKNESS .041". PRIMED BLENDED AREA IAW RD8-53-8921.

Part: ANGLE — CORRODED (FUSELAGE) · airframe 24,011 hrs · 34,821 cycles

PDX -C4- CORROSION ON ANGLE BY NUTPLATE HOLE AT STA X597.5 AND Y22.0 RT SIDE. DRILLED OUT NUTPLATE AND REMOVED CORROSION IAW CPCM CHAPTER 4. HFEC INSPECTED BLEND AREA FOR CRACKS IAW NDTM, PART 6, 51-00-01, NO CRACKS NOTED. UT THICKNESS CHECK OF BLENDED AREA IAW NDTM PART 1, 51-00-04 HIGH .080 LOW .074. AREA OF BLEND WITHIN LIMITS REF SRM 51-20-11. APPLIED ETCH ALODINE AND PRIMER IAW SRM 51-20-16 AND 51-20-36. REINSTALLED NUTPLATE REF SRM 51-40-11.

Part: FRAME — CORRODED (FUSELAGE) · airframe 24,011 hrs · 34,821 cycles

PDX - C4- CORROSION ON FRAME CASTELLATION AFT SIDE OF FRAME X597.5 JUST OUTBOARD OF STR 31S. DRILLED OUT THREE RIVETS AND REMOVED CORROSION IAW CPCM CHAPTER 4. HFEC INSPECTED BLEND AREA FOR CRACKS IAW NDTM, PART 6, 51-00-01, NO CRACKS NOTED. UT THICKNESS CHECK OF BLENDED AREA IAW NDTM PART 1, 51-00-04 HIGH .050 LOW .048. AREA OF BLEND WITHIN LIMITS REF SRM 51-20-11. APPLIED ETCH ALODINE AND PRIMER IAW SRM 51-20-16 AND 51-20-36. REINSTALLED RIVETS REF SRM 51-40-11.

Part: SKIN — CRACKED (NR 1 NACELLE) · airframe 24,011 hrs · 34,821 cycles

PDX -C4- NR 1 NACELLE SKIN FWD MLG DOOR APERTURE INBD FWD CORNER HAS A 1/4" CRACK. REPAIRED IAW RD8-54-873. HFEC INSPECTED BLEND AREA FOR CRACKS IAW NDTM, PART 6, 51-00-01, NO CRACKS NOTED.

Part: SKIN — CORRODED (FUSELAGE) · airframe 24,011 hrs · 34,821 cycles

PDX -C4 - CORROSION ABOVE STR-25L FWD OF FRAME STA-X240.5 ON SKIN DOUBLER. REMOVED RIVET FROM SKIN IN AREA OF CORROSION AND BLENDED AREA OF DAMAGE TO REMOVE CORROSION IAW CPM CHAP 4, FOUND AREA OF BLEND TO BE WITHIN LIMITS IAW SRM 51-20-11 WITH .005" REMOVED FROM ORIGINAL .050". HFEC IAW NDTM PART 6, 51-00-01, NO CRACKS NOTED. RE-INSTALLED RIVET IAW SRM 51-40-11 AND RE ALODINED AND PRIMED BARE AREA IAW SRM 51-20-36.

Part: ANGLE — CORRODED (FUSELAGE) · airframe 24,011 hrs · 34,821 cycles

PDX -C4- SUSPECT CORROSION ON CLIP ANGLE FWD SIDE OF FRAME STA X488 CONNECTING TO STR 24P LT UNDER FLOOR. BLENDED CORROSION ON CLIP ANGLE IAW DHC 8 CPCM CHAPTER 4. HFEC INSPECTED BLEND AREA FOR CRACKS IAW D-8 200 NDTM PART 6, 51-00-01, NO CRACKS NOTED. UT THICKNESS CHECK OF BLENDED AREA IAW -8 200 NDTM PART 1, 51-00-04. HIGH .063 LOW .059. BLENDED AREA FOUND TO BE WITHIN LIMITS IAW SRM 51-20-11 WITH .004" MATERIAL REMOVED.

Part: ANGLE — CORRODED (FUSELAGE) · airframe 24,011 hrs · 34,821 cycles

PDX -C4- CORROSION ON ANGLE BY NUTPLATE HOLE AT STA X597.5 AND Y6.0 JUST INBOARD OF LT INBOARD SEAT TRACK. DRILLED OUT NUTPLATE AND REMOVED CORROSION IAW DHC 8/200 CPCM CHAPTER 4. HFEC INSPECTED BLENDED AREA FOR CRACKS IAW D 8/200 NDTM, PART 6, 51-00-01, NO CRACKS NOTED. UT THICKNESS CHECK OF BLENDED AREA IAW -8/200 NDTM PART 1, 51-00-04 HIGH .080 LOW .073. AREA OF BLEND WITHIN LIMITS REF DHC 8 SRM 51-20-11. APPLIED ETCH ALODINE AND PRIMER IAW DHC 8 SRM 51-20-16 AND 51-20-36. REINSTALLED NUTPLATE REF DHC 8 200 SRM 51-40-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 24,011 hrs · 34,821 cycles

PDX - C4- LT INBD SEAT TRACK NR 4 HAS SEVERAL AREAS OF CORROSION AT STA X209, X228, X240, X250, X268. REMOVED SEAT TRACK AND INSTALL NEW SEAT TRACK IAW DHC 8 (200) SRM 51-40-00 AND 51-40-11.

Part: HEATER — INOPERATIVE (ELEVATOR HORN) · airframe 23,609 hrs · 34,208 cycles

BOI - FLIGHT 2192 (BOI-LWS), RIGHT ELEVATOR HORN HEAT INOP. RETURNED TO THE FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. MAINTENANCE REPLACED THE ELEVATOR HORN HEAT UNIT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LINE — LEAKING (HYD SYSTEM) · airframe 23,149 hrs · 33,550 cycles

LMT FLIGHT NR 2035, ON TAXI IN BODY ODOR TYPE ODOR NOTED BY BOTH FLIGHT CREW. BOTH BLEEDS WERE SHUTOFF, SMELL CONTINUED AFTER PARKING, HAZE WAS VISIBLE IN COCKPIT. FIRST OFFICER OBSERVED SMOKE COMING FROM BELOW RIGHT FMS AREA. STRONG ODOR OF POSSIBLY BURNT PLASTIC OR ELECTRICAL. FLIGHT ATTENDANT SAYS CABIN HAD NO SMOKE OR ODOR. ALL POWER WAS SHUT OFF. SMOKE STOPPED ACCUMULATING. INVESTIGATION FOUND TO BE HYDRAULIC LEAK CAUSING MIST UNDER COCKPIT FLOOR. REPAIRED HYDRAULIC TUBE, NLG DOWN PRESSURE LINE USING RIGHT-LOK PERMANENT FITTINGS AND SPLICE TUBE IAW AMM 20-50-55-3660-801. BLED LINE AND PRESSURE CHECKED. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROLLER — MALFUNCTIONED (WINDSHIELD HEAT) · airframe 23,138 hrs · 33,533 cycles

SEA - ON DESCENT FOR APPROACH GOT RIGHT WINDSHIELD HOT CAUTION LIGHT. COMPLETED CHECKLIST AND LIGHT WENT OUT. MAINTENANCE PERFORMED ELECTRICAL CONTINUITY CHECK ON CO-PILOTS WINDSHIELD, NO DEFECT NOTED. REPLACED CO-PILOTS WINDSHIELD HEAT CONTROL BOX AND RELAY 3041-K10. PERFORMED OPERATIONAL CHECK, NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: WINDSHIELD — ODOR (COCKPIT) · airframe 22,876 hrs · 33,135 cycles

PDX - DURING CRUISE FLIGHT CREW NOTICED ACRID/PLASTIC BURNING ODOR AND SMOKE IN COCKPIT. NO SMOKE OR ODOR IN CABIN. DECLARED EMERGENCY AND RETURNED TO FIELD. SMOKE/HAZE NOTICED IN VICINITY OF HUD COMBINER. ELECTED NOT TO TURN-OFF ANY GENERATOR SWITCHES DUE TO PROXIMITY OF AIRPORT. REPLACED PILOTS WINDSHIELD. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LAMP — BURNED OUT (EMERGENCY LIGHTS) · airframe 22,442 hrs · 32,493 cycles

PDX FLIGHT NR 2162 RIGHT TRU CAUTION DOES NOT LAMP TEST. MAINTENANCE RELAMPED. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: UNKNOWN — UNKNOWN (NR 2 SPU) · airframe 22,635 hrs · 31,924 cycles

SEA FLIGHT NR 2104 - AFTER COMPLETING AUTO FEATHER TEST, NR 2 SPU AUX POWER CAUTION LIGHT ILLUMINATED AND REMAINED ILLUMINATED. MAINTENANCE RESET CIRCUIT BREAKER 2921-C/B6. OPERATIONAL CHECK GOOD NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: ENGINE — SURGES (NR 2) · airframe 22,034 hrs · 31,923 cycles

SEA FLIGHT NR 2162 ON TAKEOFF AT ABOUT 200', GOT A TORQUE SURGE ON THE NR 2 ENGINE AND SHUT IT DOWN AS PER DHECKLIST. MAINTENANCE FOUND NR 2 PLA SWITCH 6141 S4 INOP. REPLACED SWITCH, BETA LOCK OUT SYSTEM TEST GOOD. C/W WITH OVER TORQUE PROCEDURES. NO FURTHER MTX NEED. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — MALFUNCTIONED (CARGO BAY) · airframe 21,953 hrs · 31,804 cycles

SMOKE WARNING LIGHT CAME ON DURING TAKEOFF. THE LIGHT CAME ON AND OFF AND CONTINUED TO BE INTERMITTENT. MAINTENANCE REMOVED NR 1 SMOKE DETECTOR IN BAGGAGE COMPARTMENT. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: COVER — DISLODGED (CABIN LIGHT) · airframe 21,940 hrs · 31,785 cycles

PDX FLIGHT NR 2248, DURING TAXI OUT, PLASTIC LIGHT COVER FELL DOWN. MAINTENANCE REINSTALLED PLASTIC LIGHT COVER. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: PCU — MALFUNCTIONED (NR 2 ENGINE) · airframe 21,883 hrs · 31,703 cycles

SEA FLIGHT NR 2092 AUTOFEATHER ARMED LIGHT DID NOT ILLUMINATE UNTIL ABOUT 80 PERCENT TORQUE ON TAKEOFF ROLL. AFTER ARMING LIGHT EXTINGUISHED AT APPROXIMATELY 80 KTS, MAINTENANCE REPLACED NR 2 ENGINE PCU. GROUND RUNS AND OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SWITCH — UNKNOWN · airframe 21,830 hrs · 31,628 cycles

SEA FLIGHT NR 2194, AFTER TAKING PROPS OUT OF FEATHER INTERMITTENT DEICE PRESSURE CAUTION LIGHT. DEICE PRESSURE INDICATES 12-14 PSI WITH POWER LEVERS AT DISC AND FLIGHT IDLE. MAINTENANCE REPLACED NR 1 ENG AND NR 2 ENGINE 55PSI AND 65PSI SWITCHES IAW Q200 AMM 21-11-21-000-801 AND 21-11-21-400-801. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: IRS — OUT OF ALIGNMENT (COCKPIT) · airframe 27,165 hrs · 31,532 cycles

PDX FLIGHT NR 2149 - ATTITUDE AND HEADING FAIL MESSAGES IN HDG. MAINTENANCE REALIGNED IRS BYU POWERING DOWN AIRCRAFT, POWER UP CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: UNKNOWN — MALFUNCTIONED (CABIN PRESSURE) · airframe 21,348 hrs · 30,926 cycles

PDX - ON FLIGHT 2287, NOTICED THAT THE AIRCRAFT WAS NOT PRESSURIZING PROPERLY, RAN CHECKLIST AND DETERMINED THE AIRCRAFT WOULD NOT PRESSURIZE, AFTER CALLING MAINTENANCE CONTROL, CONTINUED UNPRESSURIZED TO PDX, TRIED TURNING BOTH BLEEDS ON AND OFF AND NOTICED NO CHANGE IN AIRFLOW. MAINTENANCE INSPECTED AIR CYCLE MACHINE AND RECIR FAN DUCTING FOR OBVIOUS LEAKS, NONE NOTED. INSPECTED DOOR SEALS FOR CONDITION AND SECURITY, NO DEFECTS NOTED. GROUND RAN BOTH ENGINES WITH EACH BLEED ON INDIVIDUALLY, AIRCRAFT PRESSURIZED NORMALLY, DOOR SEAL LEAK CHECKS GOOD WHILE PRESSURIZED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: HEATER — INOPERATIVE (PROPELLER) · airframe 21,258 hrs · 30,795 cycles

GEG FLIGHT NR 2160, BOTH PROP HEATS INOP. MAINTENANCE PERFORMED FUNCTIONAL CHECK OF PROP DEICE SYSTEM IAW AMM 30-60-00, PAGES 501-503. CHECKS GOOD. LOADS ALL ABOVE 20, EACH BLADE PAIR, ABOVE AND BELOW -10 DEGREES. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — MALFUNCTIONED (CARGO BAY) · airframe 20,607 hrs · 29,835 cycles

SEA - ON FLIGHT 2167, RETURNED TO FIELD AT ABOUT 1000 FEET ALTITUDE THE SMOKE WARNING LIGHT ILLUMINATED FOR ABOUT 3 SECONDS. APPROX 5 MINUTES LATER IT CAME ON AGAIN, THIS TIME FOR 2-3 SECONDS AND WENT OUT. THIS CYCLED 3-4 TIMES IN THIS MANER. MAINTENANCE REMOVED AND REPLACED THE AFT BAG UPPER SMOKE DETECTOR. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING LIGHT — FALSE ACTIVATION (COCKPIT) · airframe 18,367 hrs · 26,354 cycles

SEA FLIGHT 2076, NR 1 AND NR 2 ENGINE MANUAL CAUTION LIGHTS ILLUMINATED. MAINTENANCE RESET CIRCUIT BREAKER. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: SWITCH — UNKNOWN (FUEL PANEL) · airframe 20,486 hrs · 29,654 cycles

PDX FLIGHT 2125 FUELING ON LIGHT ILLUMINATED ON PUSHBACK. MAINTENANCE RESET SWITCH ON FUEL PANEL. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: SENSOR — MALFUNCTIONED (CABIN TEMP) · airframe 20,195 hrs · 29,208 cycles

PDX FLIGHT NR 2126 CABIN WILL NOT COOL. MAINTENANCE CLEANED CABIN ZONE TEMP SENSOR. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: FLAP TRACK — CORRODED (T/E FLAP) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 RIGHT INBOARD FLAP TRACK (NR 1 UPPER) HAS DIVOTS WTH CORROSION SPOTS AT THE 0 AND 5 DEGREE POSITIONS TOP SIDE OF TRACK. REPAIRED IAW RD 8-57-985.

Part: FLAP TRACK — CORRODED (T/E FLAP) · airframe 20,112 hrs · 29,082 cycles

PDX C4 RIGHT HAND INBOARD FLAP TRACK NR 1 UPPER TRACK HAS DIVOTS WITH CORROSION SPOTS AT THE 0 AND 5 DEGREE POSITIONS ON BOTTOM SIDE OF TRACK. REPAIRED IAW RD 8-57-985.

Part: SKIN — DENTED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 DENT IN LEFT HAND FUSELAGE SKIN X310 ABOUT 1 INCH BELOW STRINGER 11L. REPAIRED IAW HORIZON AIR EA 2-53-749 AND RD 8-53-9083.

Part: SKIN — DENTED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 DENT IN LEFT HAND FUSELAGE SKIN X307.5 ABOUT 3 INCHES ABOVE STRINGER 10L. REPAIRED IAW HORIZON AIR EA 2-53-749 AND RD 8-53-9083.

Part: FLAP TRACK — CORRODED (T/E FLAP) · airframe 20,112 hrs · 29,082 cycles

PDX C4 - RIGHT INBOARD FLAP TRACK (NR 1 LOWER) HAS DIVOTS WTH CORROSION SPOTS AT THE 0, 5 AND 15 DEGREE POSITIONS TOP SIDE OF TRACK. REPAIRED IAW RD 8-57-985.

Part: SKIN — DENTED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 DENT IN LEFT HAND FUSELAGE SKIN X310.5 ABOUT 1 INCH BELOW STRINGER 9L. REPAIRED IAW HORIZON AIR EA 2-53-749 AND RD 8-53-9083.

Part: SKIN — DENTED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 DENT IN LEFT HAND FUSELAGE SKIN X308 ABOUT 1 INCH ABOVE STRINGER 10L. REPAIRED IAW HORIZON AIR EA 2-53-749 AND RD 8-53-9083.

Part: SKIN — DENTED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 DENT IN LEFT HAND FUSELAGE SKIN X308 ABOUT 2.5 INCHES BELOW STRINGER 11L. REPAIRED IAW HORIZON AIR EA 2-53-749 AND RD 8-53-9083.

Part: FAIRING — DENTED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 THE METAL PORTION OF THE LEFT WING TO FUSELAGE FAIRING HAS A SERIES OF DENTS. RUNNING VERTICALLY AT ABOUT STATION X320, BETWEEN STRINGER 6L AND 9L. REPAIRED IAW HORIZON AIR EA 2-53-748 AND RD 8-53-9081.

Part: SPAR — CORRODED (LT WING) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 SUSPECTED CORROSION ON AFT SIDE ON FORWARD SPAR BOTTOM AT YW255.000, LEFT HAND WING AFT SIDE OF SPAR. REPAIRED IAW DHC-8-200 SRM 51-20-11, 51-20-16 AND 51-20-36.

Part: SPAR — CORRODED (LT WING) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 SUSPECTED CORROSION ON AFT SIDE OF FORWARD SPAR AT YW2.55000, LEFT HAND WING. REPAIRED IAW DHC-8-200 SRM 51-20-16 AND 51-20-36.

Part: SKIN — CRACKED (NR 2 NACELLE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 NR 2 NACELLE HAS A .5 INCH LONG HORIZONTAL CRACK ON OUTBOARD SKIN AT APPROXIMATELY STATION XN125 AND ZN0.08. REPAIRED IAW DHC-8-200 SRM 51-20-16 AND RD 8-54-1193, STEPS 1-9.

Part: SKIN — DENTED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 DENT IN LEFT HAND FUSELAGE SKIN X306.5 ABOUT 1.5 INCH BELOW STRINGER 8L. REPAIRED IAW HORIZON AIR EA 2-53-750, RD -53-9082 AND DHC-8-200 SRM 53-00-16.

Part: SKIN — DENTED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 DENT IN LEFT HAND FUSELAGE SKIN X308.5 ABOUT 2 INCHES BELOW STRINGER 8L. REPAIRED IAW HORIZON AIR EA 2-53-750, RD 8-53-9082.

Part: STRUCTURE — CORRODED (CABIN) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 THE CENTER INBOARD CAMLOCK HOLE FOR ENTRY PANEL 131DZ ON THE LEFT HAND LOWER SET TRACK NR 4 STATION 236 IS CORRODED. REPAIRED IAW DHC-8-200 SRM 51-40-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 LEFT INBOARD SEAT TRACK NR 4 BOTTOM CHAFED AT APPROXIMATELY X382 - X391 AND X411 - X421. REPAIRED IAW RD 8-53-1339.

Part: RIVET — CORRODED (STRINGER) · airframe 20,112 hrs · 29,082 cycles

PDX C4 - LIGHT PITTING CORROSION ON RIVET HEADS ON STRINGER 23R AT X460.000. REPAIRED IAW DHC-8-200 SRM 51-20-11, 51-20-16, 51-20-26, 51-40-11.

Part: RIVET — CORRODED (STRINGER) · airframe 20,112 hrs · 29,082 cycles

PDX C4 LIGHT PITTING CORROSION ON ONE RIVET HEAD ON STRINGER 23L AT STATION X515.000. REPAIRED IAW DHC-8-200 SRM 51-20-16, ,51-20-26 AND 51-40-11.

Part: FRAME — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 FORWARD FLAGE OF FRAME X434.5 IS CORRODED BETWEEN STRINGERS 31R AND 30R. REPAIRED IAW DHC-8-200 SRM 51-10-16, 51-20-11, 51-40-11.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX C4 CORROSION ON STRINGER 23R AT STATION X387.350. REPAIRED IAW DHC-8-200 SRM 51-40-00, 51-20-16, 51-20-11 AND 51-20-26.

Part: SCREW — SPINNING (VHF ANTENNA) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 THREE SCREWS ON NR 1 VHF COMM ANTENNA SPINNING. REPAIRED IAW DHC-8-200 SRM 51-40-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX C4 LEFT SEAT TRACK NR 4 BARE METAL/LIGHT CORROSION IN SEAT ATTACH AREAS APPROXIMATELY X328, X342 AND X363. REPAIRED IAW RD 8-53-1339.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 RIGHT OUTBOARD SEAT TRACK NR 10 BARE METAL/LIGHT CORROSION IN SEAT ATTACH AREAS, APPROXIMATELY X266, X280, X298 AND X312. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX C4 RIGHT INBOARD SEAT TRACK NR 11 BARE METAL/CORROSION SEAT ATTACH AREA APPROXIMATELY X438. REPAIRED IAW DHC-8-200 RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX C4 RIGHT INBOARD SEAT TRACK NR 8 BOTTOM CHAFED APPROXIMATELY X443-X453 AND X510-X518. REPAIRED IAW DHC-89-200 RD 8-53-1339.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX C4 RIGHT HAND INBOARD SEAT TRACK NR 7 CORRODED IN SPOTS AT STATION X213, X220 AND X231. REPAIRED IAW DHC-8-200 SRM 51-40-11 AND RD 8-53-4473.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX C4 LEFT INBOARD SEAT TRACK NR 5 BARE METAL/LIGHT CORROSION IN SEAT ATTACH AREAS APPROXIMATELY X455 AND X487. REPAIRED IAW DHC-8-200 RD 8-53-1339.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 RIGHT OUTBOARD SEAT TRACK NR 10 BARE METAL/LIGHT CORROSION IN SEAT ATTACH AREAS, APPROXIMATELY X328, X342 AND X363 REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX C4 RIGHT INBOARD SEAT TRACK NR 8 BARE METAL/CORROSION APPROXIMATELY X424, X438, X455, X469 AND X487. REPAIRED IAW RD 8-53-1339.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 RIGHT OUTBOARD SEAT TRACK NR 10 BARE METAL/LIGHT CORROSION IN SEAT ATTACH AREAS, APPROXIMATELY 393, X405 AND X424. REPAIRED IAW RD 8-53-1342.

Part: SKIN — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 PITTING DAMAGE IN SKIN AT APPROXIMATELY X151.600 AND 9" LEFT OF STRINGER 33. REPAIRED IAW HORIZON AIR EA 2-53-747 AND DHC-8-200 SRM 51-20-16.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX C4 LEFT INBOARD SEAT TRACK NR 5 BARE METAL/LIGHT CORROSION IN SEAT ATTACH AREAS APPROXIMATELY X443-X453, X473-X487 AND X506-X518. REPAIRED IAW DHC-8-200 RD 8-53-1339.

Part: WEB — BROKEN (RT NACELLE) · airframe 20,112 hrs · 29,082 cycles

PDX C4 RIGHT HAND NACELLE FORWARD OF CENTER DOOR FRAME IS BENT AND HAS A PIECE BROKEN OUT OF CORNER RADIUS OF WEB. REPAIRED IAW DHC-8-200 SRM 51-40-11.

Part: FIREWALL — CRACKED (RT NACELLE) · airframe 20,112 hrs · 29,082 cycles

PDX C4 RIGHT HAND UPPER RETRACTION ACTUATOR FITTING ATTACH BOLT ACCESS HOLE IN THE FIREWALL HAS RADIAL CRACKS TO THE NUT PLATES IN THREE LOCATIONS. REPAIRED IAW RD 8-54-2196.

Part: FLAP TRACK — CORRODED (T/E FLAP) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 LEFT NR 2 FLAP TRACK UPPER SURFACE OF LOWER TRACK HAS DIVOTS WITH PITTING AT O, 5 AND 15 DEGREE ROLLER POSITIONS. REPAIRED IAW RD 8-57-986.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 LEFT OUTBOARD SEAT TRACK NR 2 BARE METAL. LIGHT CORROSION IN SEAT ATTACH AREAS APPROXIMATELY X438 AND X487. REPAIRED IAW RD 8-53-1342.

Part: WINDOW FRAME — TOOL DAMAGE (COCKPIT) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 TOOLING MARKS IN THREE AREAS IN CO-PILOTS WINDSHIELD FRAME RADIUS, APPROXIMATELY 5, 7 AND 10 INCHES OUTBOARD OF CENTER POST. REPAIRED IAW DHC-8-200 SRM 51-40-11, HORIZON AIR EA 2-53-698, AND RD 8-53-9089.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX C4 LEFT HAND INBOARD SEAT TRACK AT STATION 597.500 (FORWARD CARGO BAY) HAS CORROSION INSIDE CHANNEL AND ON TOP SURFACE. REPAIRED IAW DHC-8-200 SRM 51-40-00 AND 51-40-11.

Part: STOP FITTING — CHAFED (CARGO DOOR) · airframe 20,112 hrs · 29,082 cycles

PDX C4 CARGO DOOR LOWER AFT STOP LUG IS CHAFED. REPAIRED IAW HORIZON AIR EA 2-52-258.

Part: WINDOW FRAME — DAMAGED (COCKPIT) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 CO-PILOTS WINDSHIELD FRAME, UPPER INBOARD CORNER NUT PLATE HAS RIVET SET DAMAGE BELOW UPPER RIVET HOLE. REPAIRED IAW HORIZON AIR EA 2-53-698 AND RD 8-53-9089.

Part: STIFFENER — CRACKED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 RIGHT HAND VERTICAL STIFFENER CRACKED AT TOP, FORWARD SIDE OF BULKHEAD X56.00 AND Y5.00, JUST ABOVE GLIDESLOPE ANTENNA. REPAIRED IAW RD 8-53-7275.

Part: BUSHING — WORN (LT MLG DOOR) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 LEFT HAND NACELLE MAIN LANDING GEAR DOOR HINGE BUSHINGS WORN. REPAIRED IAW DHC-8-200 SRM 51-40-11.

Part: HINGE — WORN (RUDDER) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 FOR RUDDER UPPER MAIN HINGE UPPER SURFACE HAS A .006 INCH STEP WEAR AT ATTACHMENT HOLE. REPAIRED IAW DHC-8-200 RD 8-55-143 AND SRM 51-40-00.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 LEFT OUTBOARD SEAT TRACK NR 1 CORROSION IN SEAT ATTACH AREA APPROXIMATELY X280, PIT IN BOTTOM. REPAIRED IAW RD 8-53-1342, DHC-8-200 SRM 51-40-00, 51-40-11.

Part: SKIN — CHAFED (T/E FLAP) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 RIGHT WING OUTBOARD FLAP IS CHAFED ON TOP SKIN APPROXIMATELY 1 INCH FROM INBOARD EDGE, 18 INCHES FROM TRAILING EDGE. REPAIRED IAW DHC-8-200 RD 8-57-1022 AND SRM 51-20-16, 51-20-26.

Part: PAINT — SCRATCHED (HORIZ STAB) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 SCRATCH THROUGH PAINT ON TOP OF LEFT HAND HORIZONTAL STABILIZER. REPAIRED IAW DHC-8-200 SRM 51-20-26.

Part: FITTING — CRACKED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 FRAME CLEAT CRACKED AT INBOARD AND JUST OUTBOARD OF RIGHT HAND STRINGER 4 AND FRAME 4 APPROXIMATELY X716.00. REPAIRED IAW DHC-8-200 RD 8-55-199.

Part: FITTING — CRACKED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 FRAME CLEAT CRACKED AT INBOARD AND JUST OUTBOARD OF LEFT HAND STRINGER NR 4 AND FRAME NR 4 APPROXIMATELY X716.00. REPAIRED IAW RD 8-55-199 STEPS 4 AND 5.

Part: HINGE — WORN (RUDDER) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 FORE RUDDER, VERTICAL STABILIZER, LOWER SAFETY HINGE HAS A GROOVE WORN IN THE TOP. REPAIRED IAW HORIZON AIR EA 2-55-138 AND DHC-8-200 RD 8-55-752.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX C4 RIGHT INBOARD SEAT TRACK NR 9 BARE METAL/CORROSION SEAT ATTACH AREA APPROXIMATELY X541. REPAIRED IAW DHC-8-200 SRM 51-40-11, 51-40-00.

Part: STRUCTURE — CORRODED (WING) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 CORROSION ALL THE WAY AROUND THE MATING SURFACE AT ACCESS CUTOUT 524BT. REPAIRED IAW RD 8-57-633.

Part: STRUCTURE — CORRODED (WING) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 CORROSION ON MATING SURFACE OF ACCESS CUTOUT 624BT OUTBOARD END. REPAIRED IAW DHC-8-200 RD 8-57-633.

Part: STRUCTURE — CORRODED (WING) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 CORROSION ON MATING SURFACE OF ACCESS CUTOUT 624BT INBOARD END. REPAIRED IAW DHC-8-200 RD 8-57-633.

Part: STRUCTURE — CORRODED (WING) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 CORROSION ON MATING SURFACE OF ACCESS CUTOUT 624AT OUTBOARD END. REPAIRED IAW DHC-8-200 RD 8-57-611.

Part: STRUCTURE — CORRODED (WING) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 CORROSION ALL THE WAY AROUND THE MATING SURFACE AT ACCESS CUTOUT 524AT. REPAIRED IAW RD 8-57-611.

Part: FITTING — CRACKED (LT WING) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 FITTING FOR UPPER OUTBOARD LEADING EDGE 511AL NUT PLATE ON LEFT HAND FRONT SPAR IS CRACKED. REPAIRED IAW DHC-8-200 SRM 20-14-01-993-001, 51-40-11 AND 51-40-00.

Part: ANGLE — CHAFED (CARGO BAY) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 AFT CARGO DOOR AREA JUST INBOARD OF LOWER APERATURE, FLOOR ANGLES ARE CHAFED AT X533.5, X502, X575.5, X581.5 AND X588. REPAIRED IAW DHC-8-200 SRM 51-20-16, PAGE 1 AND SRM 51-20-26.

Part: ANGLE — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 FORWARD CARGO UNDER FLOOR STRUCTURE, ANGLE AT STATION X600, FROM LEFT Y10.5 TO Y21 EVIDENCE OF CORROSION. REPAIRED IAW DHC-8-200 SRM 51-20-11, 51-20-36.

Part: ANGLE — CORRODED (FUSELAGE) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 FORWARD CARGO UNDER FLOOR STRUCTURE, ANGLE AT STATION X600, FROM RIGHT Y10.5 TO Y21 EVIDENCE OF CORROSION. REPAIRED IAW DHC-8-200 SRM 51-20-11, 51-20-36.

Part: FLAP TRACK — CORRODED (T/E FLAP) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 RIGHT HAND INBOARD FLAP TRACK NR 2 LOWER HAS DIVOTS WITH CORROSION SPOTS AT 0, 5 AND 15 DEGREE POSITIONS ON THE TOP SIDE OF THE TRACK. REPAIRED IAW RD 8-57-986.

Part: FLAP TRACK — CORRODED (T/E FLAP) · airframe 20,112 hrs · 29,082 cycles

PDX - C4 RIGHT HAND INBOARD FLAP TRACK NR 2 UPPER HAS DIVOTS WITH CORROSION SPOTS AT 0 AND 5 DEGREE POSITIONS ON THE TOP AND UNDERSIDE OF THE TRACK. REPAIRED IAW RD 8-57-986.

Part: SKIN — GOUGED (CARGO DOOR) · airframe 20,112 hrs · 29,082 cycles

PDX C4 CARGO DOOR HAS GOUGES IN LOWER FORWARD SKIN 2 INCHES UP FROM LOWER EDGE AND 7.5 INCHES AFT OF FORWARD EDGE. REPAIRED IAW DHC-8-200 SRM 51-20-41, 51-20-11 AND 51-20-51.

Part: LATCH — LOOSE (NACELLE DOOR) · airframe 20,040 hrs · 28,972 cycles

MFR FLIGHT NR 2148 NACELLE DOOR LATCH LOOSE. MAINTENANCE SECURED LATCH. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: LINE — FAILED (HYD SYSTEM) · airframe 19,604 hrs · 28,323 cycles

SEA FLIGHT NR 2133 AFTER PUSHBACK WHEN RELEASED EMERGENCY BRAKE NR 1 HYDRAULIC QUANTITY'S PRESSURE DROPPED TO 0. FOLLOWED BY NR 1 ENGINE HYDRAULIC PUMP AND ASSOCIATED CAUTION LIGHT. APPROXIMATELY 2-3 MINUTES NR 1 ENGINE RAN PRIOR TO SHUTDOWN. MAINTENANCE FOUND LEFT HAND NACELLE HYDRAULIC LINE FAILED/CRACKED. REPLACED LINE. SERVICED NR 1 HYDRAULIC SYSTEM, PRESSURIZED SYSTEM, CYCLED ALL COMPONENTS, BLED RESERVOIR OF AIR. SERVICED HYDRAULIC SYSTEM TO FULL. HYDRAULIC LINE LEAK CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ENGINE — POWER LOSS (NR 2) · airframe 19,508 hrs · 28,184 cycles

ON DEPARTURE APPROX 100FT, NR 2 ENGINE TORQUE DROPPED 80% 3-5 SEC, AIRCRAFT YAWED TO RIGHT. NR 1 ENGINE CONTINUED TO OPERATE. NR 2 ENGINE 99.5%, OPERATED NORMALLY REMAINDER OF FLT. MX DOWNLOADED EED FAULT CODES FOUND BOTH NR 1 & 2 ENGINES HAD CODES 94 21 76 72 73 71 AND 50. REMOVED FDR AND SENT TO PDX FOR DATA DOWNLOAD. COMPLIED WITH OVER TORQUE INSPECTION. FDR DATA DOWNLOAD REVEALED MAX TORQUE LOGGED IN FDR HISTORY WAS 111% FOR 2 SECONDS WHICH IS WITHIN ALLOWABLE LIMITS. CLEANED AND REINSTALLED CONNECTOR P6 P7 AND P12. CLEARED FAULT CODES. COMPLIED WITH POWER ASSURANCE PERFORMANCE TEST. CHECK FOR EEC FAULT CODES AFTER PERFORMANCE TEST. NO FAULTS LOGGED.

Part: BATTERY — MALFUNCTIONED (EMERGENCY LIGHTS) · airframe 19,447 hrs · 28,101 cycles

PDX - EMERGNCY LIGHTS INOP AT LEFT OUTSIDE AFT, CABIN OVERHEAD NR 1 AND NR 3 AND 1/2 OF FLOOR STRIP LIGHTING. MAINTENANCE REPLACED EMERGENCY LIGHT POWER SUPPLY UNIT. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROLLER — MALFUNCTIONED (CABIN PRESSURE) · airframe 19,227 hrs · 27,789 cycles

SEA FLIGHT NR 2028 DURING TAXI, PRESSURE RATE INDICATOR WOULD SWING BETWEEN +2000 AND -2000 WITH SMALL POWER LEVER ADJUSTMENTS. MAINTENANCE REPLACED CONTROLLER. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — MALFUNCTIONED (CARGO BAY) · airframe 18,944 hrs · 27,379 cycles

YYJ - FLIGHT NR 2076, MASTER WARNING AND SMOKE DETECTOR ILLUMINATED INTERMITTENTLY INFLIGHT. MAINENTNANCE COMPLIED WITH VISUAL INSPECTION OF BAG COMPARTMENT SMOKE DETECTORS, NO DEFECTS NOTED. COMPLIED WITH OPERATIONAL TEST OF BAG COMPARTMENT SMOKE DETECTORS IAW Q200 AMM TASK 26-15-00-71-801. NO DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE WARNING — INTERMITTENT · airframe 18,761 hrs · 27,103 cycles

YVR - FLIGHT 2174 INTERMITTENT SMOKE WARNING. MAINTENANCE COMPLIED WITH OPERATIONAL CHECK IAW DHC8-200 AMM TASK 26-15-00-710-801. NO DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROL PANEL — MALFUNCTIONED (CABIN) · airframe 18,599 hrs · 26,850 cycles

SEA FLIGHT NR 2210, FIRST OFFICER TO FLIGHT ATTENDANT INTERPHONE CUTTING OUT FIRST OFFICER AUDIO CONTROL SELECT KNOB WIGGLED, FLIGHT ATTENDANT HAND MIC INTERMITTENT WHEN MIC WAS TAPPED ON. MAINTENANCE REPLACED FIRST OFFICER AUDIO CONTROL PANEL, FLIGHT ATTENDANT HAND MIC P/N 5260-1-1 SN 511 TSN 12408.7 CSN 17972 TSR 957.8) AND AMPLIFIER (P/N 5082-1-2 S/N 469, TSN 99755.4 CSN 42662). OPERATION CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT) · airframe 18,523 hrs · 26,805 cycles

PDX - OVERHEAD EMERGENCY LIGHTS CABIN, INOPERABLE AT NR 1 AND NR 4 POSITIONS. REMOVED AND REPLACED BATTERY PACK AT PS 2 STATION OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE WARNING — FALSE ACTIVATION (CARGO BAY) · airframe 18,537 hrs · 26,752 cycles

RDM FLIGHT NR 2142, MASTER WARNING AND SMOKE WARNING LIGHTS ILLUMINATED AND EXTINGUISHED. THEN SMOKE WARNING RE-ILLUMINATED. MAINTENANCE INSPECTED CARGO COMPARTMENT. NO EVIDENCE OF SMOKE. INSPECTED BOTH SMOKE DETECTORS. NO DEFECTS NOTED. PERFORMED OPERATIONAL CHECK PER AMM 26-15-00-710-801. NO DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — MALFUNCTIONED · airframe 18,250 hrs · 26,322 cycles

SEA FLIGHT NR 2027 - SMOKE WARNING ON SHORT FINAL, FLASHED FOR APPROXIMATELY TWO SECONDS AND EXTINGUISHED. 10-15 SECONDS LATER IT FLASHED AGAIN FOR TWO SECONDS AND EXTINGUISHED. ON TAXI IN IT FLASHED THREE MORE TIMES ALL LASTING 1-2 SECONDS. REPLACED NR 1 AND NR 2 SMOKE DETECTORS. NR 1 SMOKE DETECTOR PART NUMBER 473054, SERIAL NUMBER 0554, TSN 17043.5, CSN 24703. NR 2 SMOKE DETECTOR INFORMATION LISTED BELOW. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — MALFUNCTIONED · airframe 18,250 hrs · 26,322 cycles

PUW FLIGHT NR 2028 - SMOKE WARNING ON DESCENT, NO SIGN OF SMOKE NOTED. DEFERRED IAW -8(200) MEL 26-8(B).

Part: TORQUE SENSOR — MALFUNCTIONED · airframe 18,236 hrs · 26,301 cycles

SEA FLIGHT NR 2078 - RECEIVED FLAP DRIVE CAUTION LIGHT WHEN SELECTING FLAPS TO 5 DEGREES ON AFTER START PRIOR TO TAXI. MAINTENANCE REPLACED TORQUE SENSOR UNIT IAW DHC-8-200 AMM TASK 27-52-51-000-801 AND 27-52-51-400-801. FUNCTIONAL TEST GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — BURNED (ZONE 200) · airframe 18,018 hrs · 25,976 cycles

ELECTRICAL SMOKE ODOR DETECTED IN AFT CABIN. FOUND SIDEWALL LIGHT ROW 9A BURNED. REMOVED BULB AND DISABLED SYSTEM BY PULLING C/B'S. CLEANED LIGHT ASSEMBLY. NO ELECTRICAL ODOR NOTED WITH POWER ON. PLACED ON MEL. REPLACED DAMAGED LAMP SOCKET FOR SIDEWALL LIGHT AT ROW 9A. INSTALLED NEW FLOURESCENT TUBES FOR SIDEWALL LIGHT AT ROW 8 & 9A. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 17,909 hrs · 25,811 cycles

FORWARD EMERGENCY LIGHT STRIP LIGHTS INOPERATIVE. REMOVED AND REPLACED BATTERY PACK PS6. OPS CHECK GOOD. ACFT RETURNED TO SERVICE.

Part: VALVE — STICKING (NR 1) · airframe 17,684 hrs · 25,464 cycles

PDX - AFTER TAKEOFF WITH BLEEDS ON AND HEAT IN A WARM SETTING, COULD SMELL ODOR AND SMOKE DETECTOR IN LAVATORY WENT OFF, FLIGHT ATTENDANT RESET ALARM ONCE, SMOKE DETECTOR CAME BACK ON. TURNED HEAT DOWN, ODOR WENT AWAY AND FLIGHT ATTENDANT RESET AGAIN. MAINTENANCE FOUND NR 1 P2.5 SWITCHING VALVE COCKED UP AND STICKING. REPLACED PER MTC 9723001, REPLACED NR 2 P2.5 SWITCHING VALVE IAW MTC 972301. GROUND RAN BOTH ENGINES ONE BLEED ON, TO MAX HEAT, AT A TIME. NO SMOKE OR SMELL IN CABIN, AND RETURN TO FULL COLD AUTO, SYSTEM CHECKS NORMAL. AIRCRAFT RETURNED TO SERVICE.

Part: LAMP — INOPERATIVE (CABIN) · airframe 17,620 hrs · 25,367 cycles

STRONG ELECTRICAL ODOR FOUND IN AFT CABIN AND CARGO AREA. INSP OVERHEAD LIGHTS AT ROWS 6-9. RELAMPED INTERMITTENT LAMPS. OPS CHECKS GOOD. ACFT RETURNED TO SERVICE.

Part: ODOR — DETECTED (COCKPIT) · airframe 17,569 hrs · 25,289 cycles

STRONG ODOR DETECTED IN COCKPIT. MX FOUND PITOT HEAT 1 AND 2 AND STALL WITH HEAT ON FOR OVER 1 HOUR. SHUT OFF ALL HEAT. INSP PITOT TUBES AND STATIC PORTS. NO DAMAGE NOTED. AIRED OUT FLIGHT COMPARTMENT. NO OTHER PROBLEMS NOTED. ACFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — FAILED (CARGO BAY) · airframe 17,324 hrs · 24,911 cycles

SEA - FLIGHT 2028 - THE FLIGHT RETURNED TO FIELD AFTER RECEIVING A BAGGAGE SMOKE WARNING AFTER TAKE-OFF. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE BAGGAGE COMPARTMENT SMOKE DETECTORS. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETUNED TO SERVICE.

Part: WARNING LIGHT — FALSE ACTIVATION (CARGO SMOKE) · airframe 17,222 hrs · 24,753 cycles

PDX - FLIGHT 2058 - THE SMOKE AND MASTER WARNING LIGHT FLICKERED ON VERY BRIEFLY AND THEN TURNED BACK OFF. THE FLIGHT ATTENDANT OPENED THE BACK ACCESS DOOR AND FOUND NO SIGNS OF SMOKE. THE WARNINGS LIGHTS DID NOT COME ON AGAIN. MAINTENANCE CHECKED BOTH CARGO COMPARTMENT SMOKE DETECTORS CONNECTORS. C/W TEST PER AMM TASK 26-15-00-710-801. BOTH DETECTORS TESTED NORMAL. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — DEFECTIVE (LT WING) · airframe 17,067 hrs · 24,526 cycles

PSC - LT UNDERWING EMERGENCY EXIT BETA LIGHT FAILED BRIGHTNESS CHECK. MAINTENANCE REMOVED AND REPLACED BETA LIGHT. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: RELAY — FAILED (NR 2 NACELLE) · airframe 16,179 hrs · 23,207 cycles

WITH BOTH ENGINES RUNNING AND CLEARED FOR PUSHBACK, THE DC BUSS ILLUMINATED, THE FMS WENT BLANK FOLLOWED BY A MAIN BATTERY HOT WARNING. THE MAIN BATTERY HOT CHECKLIST WAS RUN AND THE AIRCRAFT ENGINES WERE SHUTDOWN WHEN SMOKE WAS OBSERVED COMING FROM THE NR 2 ENGINE NACELLE BY THE RAMP CREW. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE NR 2 STARTER GENERATOR, THE NR 2 GCU, MAIN BATTERY, STARTER GENERATOR CABLES ALONG WITH RELAYS 2431-K2, 8011-K4, 8011-K3, AND 8011-K5. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: CONTROL CIRCUIT — OUT OF RIG (ZONE 100) · airframe 15,965 hrs · 22,866 cycles

SEA - FLIGHT 2089 - ELEVATOR CONTROL IS UNUSUALLY HEAVY AND JERKY, ESPECIALLY NOTICEABLE DURING FLARE. MAINTENANCE INSPECTED THE AIRCRAFT AND RIGGED THE PILOTS AND COPILOTS ELEVATOR CONTROL CABLE CIRCUITS IAW AMM. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SMOKE DETECTOR — FALSE INDICATION (ZONE 200) · airframe 15,950 hrs · 22,842 cycles

SEA - FLIGHT 2002 - WHILE ON APPROACH, THE CREW RECEIVED A SMOKE WARNING. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE NR 2 SMOKE DETECTOR. OPERATIONAL CHECKS WERE PERFORMED AND CHECKED GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: GCU — FAILED (ZONE 200) · airframe 14,908 hrs · 21,306 cycles

NR 1 DC GENERATOR CAUTION LIGHT CYCLING ON AND OFF. RAN CHECKLIST, TURNED NR 1 DC GENERATOR OFF WITH NO CHANGE. REMOVED AND REPLACED NR 1 DC GENERATOR CONTROL UNIT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: GENERATOR — FAILED (ZONE 200) · airframe 14,908 hrs · 21,306 cycles

MFR- ON FLIGHT 2146 NR 1 DC GENERATOR CAUTION LIGHT BLINKING, MASTER CAUTION LIGHT, ANNUNCIATOR PANEL, PRESSURIZATION FAULT, TRANSPONDER LIGHTS BLINKING (LOOSING POWER, AUDIBLE TONE). RAN DC GENERATOR CHECKLIST. AFTER DC GENERATOR RESET EVERYTHING WAS THE SAME. TURNED DC GENERATOR OFF AND EVERYTHING STABILIZED. REMOVED AND REPLACED DC STARTER GENERATOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — FALSE INDICATION (LAVATORY) · airframe 14,905 hrs · 21,302 cycles

PDX - THE LAVATORY SMOKE DETECTOR SOUNDED SHORTLY AFTER TAKEOFF. THE LAVATORY AND LAVATORY WASTE WAS CHECKED FOR EVIDENCE OF SMOKE AND BURNING ODOR. NONE WAS NOTED. THE LAVATORY DETECTOR WAS RESET AND THE OPERATIONAL CHECK WAS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — DEFECTIVE (LAVATORY) · airframe 14,905 hrs · 21,302 cycles

SEA - FLIGHT 2208 - THE LAV SMOKE DETECTOR SOUNDED AGAIN AFTER TAKEOFF FROM PDX. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE LAVATORY SMOKE DETECTOR. THE OPERATIONAL CHECK WAS GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SMOKE DETECTOR — DEFECTIVE (LAVATORY) · airframe 14,861 hrs · 21,268 cycles

SEA - LAVATORY SMOKE DETECTOR ALARM ACTIVATED IMMEDIATELY AFTER TAKEOFF. THERE WAS NO SMOKE OR HAZE IN CABIN. THE FLIGHT ATTENDANT PRESSED THE TEST BUTTON AND THE ALARM RESET. MAINTENANCE REPLACED THE LAVATORY SMOKE DETECTOR. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: LAMP — INOPERATIVE (SMOKE DETECTOR) · airframe 14,861 hrs · 21,268 cycles

PSC - MAINTENANCE FOUND THAT THE NR 1 SMOKE DETECTOR WILL NOT TEST. THE SMOKE DETECTOR WAS RELAMPED AND OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SMOKE DETECTOR — MALFUNCTIONED (LAVATORY) · airframe 8,651 hrs · 12,167 cycles

LMT- ON FLIGHT 2093 LAVATORY SMOKE ALARM CONTINOUSLY SOUNDS IN FLIGHT. REMOVED AND REPLACED SMOKE DETECTOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. (CLOSED)

Part: SMOKE DETECTOR — MALFUNCTIONED (ZONE 200) · airframe 8,644 hrs · 12,154 cycles

PDX- LAVATORY SMOKE ALARM SOUNDED DURING CLIMBOUT. FLIGHT ATTENDANT INVESTIGATED AND FOUND NO SMOKE IN LAVATORY OR CABIN. ALARM RESET BY FLIGHT ATTENDANT FOR REMAINDER OF FLIGHT. REMOVED AND REPLACED SMOKE DETECTOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: POWER SUPPLY — DISCHARGED (CABIN) · airframe 14,734 hrs · 21,063 cycles

PDX- EMERGENCY LIGHT BATTERY PACK AT PS3 THROUGH PS6 REQUIRES REPLACEMENT DUE TO LOW VOLTAGE. REMOVED AND REPLACED POWER SUPPLY.

Part: SKIN — CRACKED (ZONE 600) · airframe 14,681 hrs · 20,986 cycles

RT AILERON HAS A SMALL .25 INCH CRACK IN OUTBOARD TAB HINGE CUTOUT. REPAIRED IAW DHC-8 SRM 57-60-71 AND HORIZON AIR EA 2-57-244.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 14,681 hrs · 20,986 cycles

NR 11 SEAT TRACK IS CORRODED BETWEEN X469 AND X473. REPAIRED IAW DHC-8 SRM 51-20-36.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 14,681 hrs · 20,986 cycles

PDX - NR 10 SEAT TRACK IS CORRODED BETWEEN X345 AND X348. REPAIRED IAW DHC-8 SRM 51-20-36.

Part: FRAME — CHAFED (ZONE 400) · airframe 14,681 hrs · 20,986 cycles

FRAME CHAFED UNDER RIGHT HAND GRAVEL GUARD. REPAIRED IAW RD 8-54-1052.

Part: STRINGER — CRACKED (ZONE 400) · airframe 14,681 hrs · 20,986 cycles

LEFT HAND NACELLE - OUTBOARD LOWER STRINGER ON FINGERNAIL DECK CRACKED AT FORWARD END. REPAIRED IAW DHC-8-200 SRM 651-40-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,681 hrs · 20,986 cycles

PDX - TRACK 3 TOP FLANGE HAS AREAS OF LIGHT PITTING AT STATION X510.00. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: ANGLE — CRACKED (RT WING) · airframe 14,681 hrs · 20,986 cycles

PDX - CRACKED Z-ANGLE RIGHT HAND WING FORWARD SPAR AT TOP FROM FIRST RIVET TO TOP EDGE OF STATION YW45-00. REPAIRED IAW DHC-8-200 SRM 51-40-11.

Part: SKIN — CORRODED (FUSELAGE) · airframe 14,681 hrs · 20,986 cycles

PDX - CORROSION AND PITTING ON SKIN SURFACE AROUND BOLT HOLES FOR THE LOWER TCAS ANTENNA, UNDER FUSELAGE AT STATION X501.000. REPAIRED IAW DHC-8 SRM 51-20-16.

Part: CONNECTOR — DIRTY (FUEL SYSTEM) · airframe 14,627 hrs · 20,901 cycles

PSC- ON FLIGHT 2105 DURING CRUISE NR 2 FUEL TEMPERATURE GAUGE FLUCTUATED BETWEEN 60-80 DEGREES. TURNED THE AUXILIARY FUEL PUMP ON AS PER CHECKLIST WITH NO CHANGE. AFTER FIVE MINUTES THE GAUGE RETURNED TO NORMAL FOR THE REMAINDER OF THE FLIGHT. CLEANED FUEL TEMPERATURE TRANSMITTER ELECTRICAL CONNECTION. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — BROKEN (ZONE 100) · airframe 14,367 hrs · 20,524 cycles

PDX- MOST FORWARD EMERGENCY TRACK LIGHT RIGHT SIDE CARPET COVER STRIP IS BROKEN. REMOVED AND REPLACED FORWARD EMERGENCY TRACK LIGHT.

Part: LIGHT — INOPERATIVE (ZONE 100) · airframe 14,367 hrs · 20,524 cycles

PDX- MOST AFT SECTION OF EMERGENCY TRACK LIGHT MISSING 2 FEET OF CARPET COVER ON LEFT SIDE. REMOVED AND REPLACED AFT EMERGENCY LIGHT TRACK.

Part: SWITCH — WILL NOT TEST (ZONE 200) · airframe 14,306 hrs · 20,446 cycles

ON FLIGHT 2249 FLIGHT ATTENDENT EMERGENCY LIGHT TEST SWITCH IS INOPERATIVE. COMPLIED WITH EMERGENCY LIGHTS SYSTEM ADJUSTMENT/TEST IAW DHC-8 MM 33-51-00, SWITCH OPERATED NORMALLY. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONNECTOR — DIRTY (FIRE LOOP) · airframe 14,085 hrs · 20,100 cycles

PDX- NR 2 CHANNEL B FIRE DETECTION LOOP WILL NOT TEST. CLEANED BOTH CONNECTOR PLUGS ON B LOOP HARNESS IN NACELLE AND AT CONTROLLER IN CLOSET. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WIRE — CHAFED (ELECTRICAL SYS) · airframe 14,000 hrs · 19,970 cycles

LWS- ON FLIGHT 2165 AFTER LANDING NR 2 AC GENERATOR CAUTION LIGHT CAME ON. RAN CHECKLIST ON GROUND AND TURNED NR 2 AC GENERATOR OFF AND THEN BACK ON. THERE WAS NO CHANGE. INSPECTED WIRING IN NR 2 AC GENERATOR BOX AND FOUND CB 2421 CB4 POPPED AND A CHAFED WIRE. REPAIRED WIRE IAW AMM 20-45-07. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ACCESS PANEL — OPEN (FUEL SYSTEM) · airframe 13,980 hrs · 19,940 cycles

SEA- ON FLIGHT 2180 RETURNED TO FIELD DUE TO FUEL PANEL ACCESS DOOR OPENED IN FLIGHT. AIRCRAFT LANDED WITHOUT INCIDENT. CLOSED FUEL PANEL. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROL BOX — FAILED (LANDING GEAR) · airframe 13,848 hrs · 19,752 cycles

PUW- ON FLIGHT 2020 WHEN SELECTING GEAR DOWN, GOT NO LEFT MAIN LANDING GEAR GREEN DOWN AND LOCKED LIGHT. CYCLED GEAR HANDLE A SECOND TIME WITH SAME RESULTS. CONFIRMED GEAR DOWN INDICATION VIA ALTERNATE GEAR LIGHTS IN FLOOR. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED ADVISORY LIGHT CONTROL BOX. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: FLAP TRACK — WORN (T/E FLAP) · airframe 13,653 hrs · 19,464 cycles

PDX- RIGHT HAND NR 4 FLAP TRACK HAS THREE LOCAL AREAS .125 INCH THAT ARE WORN ON TRACK C. REPAIRED IAW DHC-8 RD 8-57-988.

Part: FLAP TRACK — WORN (T/E FLAP) · airframe 13,653 hrs · 19,464 cycles

PDX- LEFT HAND NR 4 FLAP TRACK HAS TWO LOW AREAS OF WEAR ON LOWER SURFACE OF TRACK. WEAR POINTS ARE .50 & 7.00 INCHES AFT OF FLIP FAIRING SUPPORT BRACKET. REPAIRED IAW DHC-8 RD 8-57-988.

Part: FLAP TRACK — WORN (T/E FLAP) · airframe 13,653 hrs · 19,464 cycles

PDX- LEFT HAND NR 4 FLAP TRACK HAS WEAR OR PITTING ALONG THE INBOARD SURFACE OF TRACK AREA E. WEAR IS LOCATED 13 INCHES AFT OF FLAP FAIRING BRACKET TO 18 INCHES AFT OF FAIRING BRACKET. REPAIRED IAW DHC-8 RD 8-57-988.

Part: SMOKE — DETECTED (CABIN) · airframe 13,570 hrs · 19,336 cycles

RDM- ON FLIGHT 2055 AT 20,000 FEET, DURING DESCENT UNKNOWN SOURCE OF SMOKE FILLED CABIN AND COCKPIT TO A "HAZE" LEVEL WITH ASSOCIATED BURINING SMELL OF POSSIBLY OIL. THIS DECREASED AS THE FLIGHT CONTINUED. INSPECTED BOTH ENGINE OIL LEVELS. GROUND RAN EACH ENGINE. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SKIN — GOUGED (ZONE 800) · airframe 13,363 hrs · 19,019 cycles

PDX-1 INCH LONG GOUGE IN PATCH IN UPPER AFT CORNER OF CARGO DOOR. REPAIRED IAW RD8-52-021 AND DHC8 SRM 51-40-00.

Part: SKIN — CHAFED (CARGO DOOR) · airframe 12,448 hrs · 17,691 cycles

PDX- OUTER BAGGAGE DOOR SKIN IS CHAFED AT UPPER EDGE SURFACE. REPAIRED IAW HORIZON AIR EA 2-53-146.

Part: LIGHT — MALFUNCTIONED (CABIN) · airframe 12,366 hrs · 17,576 cycles

PSC- PASSENGER REPORTED SMOKE IN SEAT 9A. REMOVED AND REPLACED LIGHT ASSEMBLY ON SIDEWALL LIGHT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY — DEFECTIVE (CABIN) · airframe 10,614 hrs · 14,965 cycles

PSC-AFT TWO RED FLOOR TRACK LIGHTS AT ROW 1DE INOPERATIVE. FOUND BATTERY AT POSITION PS6 TO HAVE LOW VOLTAGE. REPLACED BATTERY. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: TRACK — GOUGED (CARGO DOOR) · airframe 9,732 hrs · 13,731 cycles

PDX - CARGO DOOR FORWARD TRACK HAS A GOUGE .028 INCH X .750 INCH X .5 INCH LOCATED AT Z130, X547. REPAIRED IAW HORIZON AIR EA 2-52-109.

Part: INTERCOSTAL — CRACKED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - INTERCOSTAL AT X354 TO X370 AND STRINGER 23R IS CRACKED AT A TOOLING MARK. REPAIRED IAW DHC-8 SRM 51-40-11.

Part: SEAT TRACK — CORRODED (CABIN) · airframe 9,732 hrs · 13,731 cycles

PDX - SEAT TRACK #11, STATION 500, CORRODED INSIDE SEAT TRACK. REPAIRED IAW RD 8-53-1342.

Part: FRAME — CORRODED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - LIGHT SURFACE CORROSION AT FRAME FLANGE AND LOWER FUSELAGE SKIN AT STATION 467.00, RIGHT-HAND BETWEEN STRINGER 30 AND 31. REPAIRED IAW DHC-8 SRM 51-20-16

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - SEAT TRACK NR 10 CORRODED ON INSIDE AND ON INSIDE LIP AT STATION 329. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - SEAT TRACK NR 10 CORRODED ON INSIDE VALLEY AT STATION 278. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - SEAT TRACK NR 10 CORRODED ON INBOARD AND OUTBOARD LIPS AT STATION 291. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - SEAT TRACK NR 10 CORRODED ON TOP LIPS AT STATION 342. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - SEAT TRACK NR 10 CORRODED INSIDE VALLEY AT STATION 280. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - SEAT TRACK NR 10 CORRODED ON OUTBOARD LIP AT STATION 296. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - SEAT TRACK NR 10 CORRODED INSIDE VALLEY AT STATION 374. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - SEAT TRACK NR 11 CHAFED ON TOP FLANGES AT STATION 437. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - SEAT TRACK NR 11 CORRODED INSIDE AT STATION 437. REPAIRED IAW RD 8-53-1342.

Part: FLAP TRACK — CORRODED (LT WING TE FLAP) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND WING INBOARD FLAP NR 1 TRACK UPPER RAIL, UPPER SURFACE HAS TWO WEAR PITS THROUGH METALIC PLATING, LOCATED 9 INCHES FROM FRONT END. REPAIRED IAW RD 8-57-985.

Part: SEAT TRACK — CHAFED (CABIN) · airframe 9,732 hrs · 13,731 cycles

PDX - SEAT TRACK NR 11 CHAFED ON INSIDE OF TRACK AT STATION 433. REPAIRED IAW RD 8-53-1432.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - SEAT TRACK NR 10 CHAFED INSIDE VALLEY OF SEAT TRACK AT STATION 405. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - SEAT TRACK NR 10 CORRODED ON INBOARD AND OUTBOARD LIPS AT STATION 298. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - SEAT TRACK NR 10 CHAFED ON TOP LIPS AT STATION 371. REPAIRED IAW RD 8-53-1342.

Part: FLAP TRACK — CORRODED (LT WING TE FLAP) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND WING INBOARD FLAP NR 1 TRACK LOWER RAIL, UPPER SURFACE HAS THREE WEAR PITS THROUGH METALIC PLATING, ONE LOCATED AT FORWARD END AND 2 LOCATED 6 INCH AFT OF FORWARD PIT. REPAIRED IAW RD 8-57-985.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - SEAT TRACK NR 10 CORRODED ON TOP INBOARD AND OUTBOARD TIPS AT STATION 425. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - SEAT TRACK NR 10 CHAFED ON OUTSIDE LIP AT STATION 393. REPAIRED IAW RD 8-53-1342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - SEAT TRACK NR 10 CORRODED ON TOP LIPS AT STATION 265. REPAIRED IAW RD 8-53-1342.

Part: FIREWALL — CRACKED (RT NACELLE) · airframe 9,732 hrs · 13,731 cycles

PDX - RIGHT-HAND NACELLE OUTBOARD SIDE AFT FIRE WALL HAS A 2 INCH CRACK BETWEEN THE FIRE LOOP BRACKET AND SUPPORT. REPAIRED IAW RD 8-54-806.

Part: SEAT TRACK — DAMAGED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - NR 10 SEAT TRACK ON THE RT OUTBOARD TRACK FROM STATION 262.40 TO 420.00 IS DAMAGED. REPLACED NR 10 SEAT TRACK IAW DHC-8 SRM 51-40-00 AND SRM 51-40-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - SEAT TRACK NR 10 CORRODED ON TOP LIPS AT STATION 350. REPAIRED IAW RD 8-53-1342.

Part: STRUT — CORRODED (NR 1 NACELLE) · airframe 9,732 hrs · 13,731 cycles

PDX - NR 1 ENGINE INBOARD AFT NACELLE STRUT JUST ABOVE INBOARD IGNITOR DOOR HAS CORROSION FROM ENGINE EXHAUST. REPAIRED IAW DHC-8 SRM 51-20-36 AND HORIZON AIR EA 2-54-102.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND INBOARD SEAT TRACK AT APPROXIMATELY STATION 540.00 IS GOUGED IN CENTER. REPAIRED IAW DHC-8 SRM 51-20-36.

Part: SEAT TRACK — DAMAGED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX NR 11 SEAT TRACK DAMAGED AT RT OUTBOARD SEAT TRACK FROM STATION 420.000 TO 505.00. REPAIRED IAW DHC-8 SRM 51-40-00 AND SRM 51-40-11.

Part: SPAR — DAMAGED (LT WING) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND WING INBOARD LEADING EDGE 511AL, LOWER ATTACH FLANGE ON FRONT SPAR, INBOARD NUTPLATE HAS DAMAGED BUSHINGS. REPAIRED IAW HORIZON AIR EA 2-57-139.

Part: FLAP TRACK — CORRODED (TE FLAPS) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND WING FLAP NR 3 TRACK UPPER RAIL, LOWER SURFACE HAS TWO WEAR PITS THROUGH METALIC PLATING, LOCATED 7 INCHES FROM FORWARD END. REPAIRED IAW RD 8-57-987.

Part: BEAM — CORRODED (TE FLAPS) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND WING NR 4 FLAP BEAM INBOARD SURFACE "E" HAS A PIT THROUGH METALIC PLATING, .070 IN DIAMETER. REPAIRED IAW HORIZON AIR EA 2-57-137.

Part: BEAM — CORRODED (TE FLAPS) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND WING NR 4 FLAP BEAM INBOARD SURFACE "B" HAS SMALL PITS IN METALIC COATING ALONG ENTIRE ROLLER WEAR MARK. REPAIRED IAW HORIZON AIE EA 2-57-1373.

Part: FLAP TRACK — CORRODED (TE FLAP) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND WING OUTBOARD FLAP NR 3 TRACK LOWER RAIL UPPER SURFACE "Y" HAS TWO WEAR PITS ON OF THEM THROUGH METALIC PLATING, LOCATED 7" FROM FORWARD END. REPAIRED IAW RD 8-57-987.

Part: FRAME — CRACKED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - ACCESS 311AB FORWARD ABOUT 11 O'CLOCK FRAME NR 4 IS CRACKED. REPAIRED IAW RD 8-55-199.

Part: FLAP TRACK — CORRODED (TE FLAPS) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND WING OUTBOARD FLAP NR 3 TRACK LOWER RAIL UPPER SURFACE "Y" HAS A WEAR PIT THROUGH METALIC PLATING. REPAIRED IAW RD 8-57-987.

Part: FLAP TRACK — CORRODED (TE FLAPS) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND WING OUTBOARD FLAP TRACK NR 3 UPPER RAIL, LOWER SURFACE HAS TWO WEAR PITS THROUGH METALIC PLATING. REPAIRED IAW RD 8-57-987.

Part: FLAP TRACK — CORRODED (TE FLAPS) · airframe 9,732 hrs · 13,731 cycles

PDX - RIGHT-HAND FLAP TRACK NR 4 HAS PITTING ON OTH SIDE OF TRACK. REPAIRED IAW RD 8-57-988 AND HORIZON AIR EA 2-57-138.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND INBOARD SEAT TRACK BETWEEN STATION 182 AND 262.40 HAS LIGHT SURFACE CORROSION. REPAIRED IAW 8-53-1342.

Part: FLAP TRACK — CORRODED (TE FLAPS) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND WING OUTBOARD FLAP NR 3 LOWER TRACK SURFACE "Y" HAS TWO WEAR PITS THROUGH METALIC PLATING ABOUT 10 INCH FROM AFT END OF TRACK. REPAIRED IAW RD 8-57-987.

Part: BEAM — DAMAGED (TE FLAPS) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND WING NR 4 FLAP BEAM OUTBOARD SURFACE "E" HAS PITS IN METALIC PLATING ALONG ENTIRE ROLLER WEAR MARK. REPAIRED IAW HORIZON AIR EA 2-57-137.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND INBOARD SEAT TRACK AT APPROXIMATELY STATION 291.400 HAS LIGHT GOUGES IN CENTER. REPAIRED IAW RD 8-53-1339, RD 8-53-1102 ABD DHC-8 SRM 51-40-11.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND INBOARD SEAT TRACK AT APPROXIMATELY STATION 445.500 HAS LIGHT GOUGES IN CENTER. REPAIRED IAW RD 8-53-1339 AND DHC-8 SRM 51-20-36.

Part: BEAM — CHIPPED (TE FLAPS) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND NR 4 FLAP BEAM FAIL SAFE HOOK UPPER SURFACE METALIC PLATING CHIPPED IN THREE SMALL SPOTS WITHIN AN AREA OF .25 X 1.25. REPAIRED IAW HORIZON AIR EA 2-57-137.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND INBOARD SEAT TRACK AT APPROXIMATELY STATION 510.00 HAS LIGHT GOUGES IN CENTER. REPAIRED IAW RD 8-53-1339 AND DHC-8 SRM 51-20-36.

Part: FLAP TRACK — CORRODED (TE FLAPS) · airframe 9,732 hrs · 13,731 cycles

PDX - RIGHT-HAND NR 5 FLAP INBOARD SIDE OF TRACK HAS PITTING. REPAIRED IAW RD 8-57-989 AND HORIZON AIR EA 2-57-136.

Part: BEAM — CORRODED (TE FLAPS) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND WING NR 4 FLAP BEAM OUTBOARD SURFACE "B" METALIC PLATING PITTED ALONG ENTIRE ROLLER WEAR MARK. REPAIRED IAW HORIZON AIR EA 2-57-137.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND INBOARD SEAT TRACK AT APPROXIMATELY STATION 488.500 HAS LGIHT GOUGES IN CENTER. REPAIRED IAW RD 8-53-1339 AND DHC-8 SRM 51-20-36.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - RIGHT-HAND INBOARD SEAT TRACK AT APPROXIMATELY 467.00 HAS TWO GOUGES IN CENTER. REPAIRED IAW RD 8-53-1339, DHC-8 SRM 51-20-16 AND SRM SRM 51-20-41.

Part: FLAP TRACK — CORRODED (LT WING TE FLAP) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND WING OUTBOARD FLAP NR 4 TRACK, OUTBOARD SURFACE "D" HAS A WEAR PIT THROUGH METALIC PLATING IN FORWARD END OF ROLLER WEAR MARK. REPAIRED IAW HORIZON AIR EA 2-57-137.

Part: SEAT TRACK — MISINSTALLED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - RIGHT-HAND FORWARD OUTBOARD SEAT TRACK FROM STATION 262.40 TO 420.00 HAS TEN HILOCK TO LONG ON GAUGE. REPAIRED IAW DHC-8 SRM 51-40-00, PAGE 4, TABLE 4.

Part: BRACKET — DAMAGED (CARGO DOOR) · airframe 9,732 hrs · 13,731 cycles

PDX - CARGO DOOR TOP STOP BRACKETS HAVE BEEN STRIKING DOOR APERTURE STRUCTURE. REPAIRED IAW RD 8-53-5461, SECTION 1, PAGE 2 THROUGH 4.

Part: ROLLER — STUCK (FLAP TRACK) · airframe 9,732 hrs · 13,731 cycles

PDX - NR 5 FLAP SIDE TRACK ROLLER NOT ROLLING CAUSING PITS ON SIDE OF TRACKS. REPAIRED IAW HORIZON AIR EA 2-57-136.

Part: STRUCTURE — CRACKED (FLOOR DRIP TRAY) · airframe 9,732 hrs · 13,731 cycles

PDX - CENTER FLOOR BOARD DRIP TRAY IS CRACKED IN TWO SPOTS AT STATION 430.00. REPAIRED IAW RD 51-40-11.

Part: FLAP TRACK — CORRODED (TE FLAPS) · airframe 9,732 hrs · 13,731 cycles

PDX - RIGHT-HAND FLAP TRACK NR 4 HAS PITTING ON BOTH SIDES OF TRACK. REPAIRED IAW HORIZON AIR EA 2-57-138.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - LEFT-HAND OUTBOARD SEAT TRACK IS GOUGED AT STATION 490.00. REPAIRED IAW DHC-8-200 SRM 51-40-00 AND SRM 51-40-11.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - CABIN WARDROBE FLOOR SUPPORT IS CORRODED AT NUTPLATE AT STATION 210.00 AND 2100.052. REPAIRED IAW RD 8-53-1339.

Part: ROLLER — CORRODED (FLAP TRACK) · airframe 9,732 hrs · 13,731 cycles

PDX - NR 4 UPPER DEAD WEIGHT ROLLER HAS PITTED FLAP TRACK ON UPPER HORIZONTAL TRACK. REPAIRED IAW DHC-8 MM 27-51-11.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - RIGHT-HAND INBOARD SEAT TRACK AT APPROXIMATELY STATION 488.500 HAS LIGHT GOUGES IN CENTER. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - RIGHT-HAND INBOARD SEAT TRACK AT APPROXIMATELY STATION 510.000 HAS LIGHT GOUGES IN CENTER. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - RIGHT-HAND INBOARD SEAT TRACK HAS LIGHT SURFACE CORROSION BETWEEN STATION 262.00 AND 182.00. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - RIGHT-HAND INBOARD SEAT TRACK HAS LIGHT GOUGES IN CENTER AT STATION 377.850. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - RIGHT-HAND INBOARD SEAT TRACK APPROXIMATELY STATION 420.00 HAD LIGHT GOUGES IN CENTER. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - RIGHT-HAND INBOARD SEAT TRACK HAS LIGHT GOUGES IN CENTER AT STATION 312.350. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - RIGHT-HAND INBOARD SEAT TRACK HAS LIGHT GOUGES IN CENTER AT STATION 354.250. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - RIGHT-HAND INBOARD SEAT TRACK HAS LIGHT CORROSION AT STATION 291.400. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - RIGHT-HAND INBOARD SEAT TRACK AT APPROXIMATELY STATION 445.500 HAS LIGHT GOUGES IN CENTER. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: STOP — CORRODED (CARGO DOOR) · airframe 9,732 hrs · 13,731 cycles

PDX - CARGO DOOR PRESSURE STOP LANDING HAVE LIGHT FRETTING PITTING IN CENTER. REPAIRED IAW RD 8-53-104.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - SEAT TRACK NR 12 AT STATION 539 HAS CHAFING INSIDE SEAT TRACK. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: SKIN — CORRODED (FUSELAGE) · airframe 9,732 hrs · 13,731 cycles

PDX - AIRCRAFT SKIN SURFACE, ADJACENT TO LOWER TCAS ANTENNA HAS CORROSION AT ANTENNA ATTACH HOLE AREA. REPAIRED IAW DHC-8 SRM 53-00-16, PAGE 3.

Part: LIGHT — OUT OF POSITION (CABIN) · airframe 9,726 hrs · 13,719 cycles

SEA - EMERGENCY FLOOR LIGHTS BY ROW ONE ARE FALLING OUT OF TRACK. REMOVED AND REPLACED FORWARD EMERGENCY FLOOR LIGHT STRIP. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: STOP FITTING — DEFECTIVE (PAX DOOR) · airframe 10,343 hrs · 14,584 cycles

SEA- EXTERIOR MAIN CABIN DOOR HANDRAIL IS RECESSED TOO FAR. UNABLE TO OPEN MAIN CABIN DOOR. INSTALLED NEW MAIN CABIN DOOR EXTERIOR HANDRAIL BUMPER/STOP. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: INVERTER — MALFUNCTIONED (COCKPIT) · airframe 7,494 hrs · 10,577 cycles

BOI- SECONDARY INVERTER CAUTION LIGHT ILLUMINATED ALONG WITH BURNING SMELL. REPLACED SECONDARY INVERTER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SIGN — MALFUNCTIONED (CABIN) · airframe 7,458 hrs · 10,521 cycles

SEA- LOWER EXIT SIGN SEAT 4A MISSING. REPLACED MISSING EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: COOLER — OVERHEATED (NR 2 ENGINE) · airframe 7,437 hrs · 10,492 cycles

SEA- BEFORE TAKEOFF OIL TEMPERTURE NR 2 ENGINE INDICATED 102 DEGREES AND PSI INDICATION OF 50 PSI. A STRANGE SMELL FILLED THE FLIGHT DECK. REMOVED AND REPLACED NR 2 ENGINE OIL COOLER AND COLLERED DOOR ACTUATOR. OPERATIONAL CHECKS GOOD. NO SMELLS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: SNUBBER — MISSING (PAX DOOR) · airframe 6,842 hrs · 9,657 cycles

PDX- MAIN CABIN DOOR SLAMS DOWN WHEN OPENED. NO SNUBBER. REMOVED HANDRAIL BUMPERS AND INSTALLED NEW BUMPERS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — MALFUNCTIONED (COCKPIT) · airframe 6,644 hrs · 9,401 cycles

SEA- COCKPIT EMERGENCY LIGHT IS DIM. REPLACED COCKPIT EMERGENCY LIGHT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SKIN — GOUGED (BS 422)

YXX - FUSELAGE EXTERNAL BELLY SKIN AT STATION X 422.00, LEFT-HAND SIDE GOUGED. REPAIRED IAW BOMBARDIER RD 8-53-4496, CONAIR EO 2429 AND HORIZON AIR EA 2-53-101.

Part: SKIN — CHAFED (LT NACELLE)

YXX - CHAFE ON LEFT-HAND AFT NACELLE UPPER DECK UNDER FINGERNAIL. REPAIRED IAW RD 8-54-866 AND DHC -8 SRM 51-20-36.

Part: SKIN — DAMAGED (BS 240)

YXX - EXTERIOR FUSELAGE RIGHT-HAND SIDE AT STATION X240 NICK IN SKIN. REPAIRED IAW HORIZON AIR EA 2-53-100 AND BOMBARDIER RD 8-53-4501.

Part: SKIN — SCRATCHED (BS 322)

YXX - RIGHT-HAND LOWER FUSELAGE EXTERNAL AT STATION X322.00 SKIN SCRATCHED. REPAIRED IAW DHC-8 SRM 53-00-16, TABLE 1, SHEET 2, SRM 51-20-11, PAGE 7-8, FIGURE 4.

Part: SPAR — SCRATCHED (LT WING)

YXX - SEVERAL TOOLING SCRATCHES ON THE LEFT-HAND WING SPAR CAP LEADING EDGE UPPER ATTACH AREA. REPAIRED IAW RD 8-57-119.

Part: SKIN — DENTED (BS 325)

YXX - FUSELAGE UPPER SURFACE DENT AT STATION X325 AND STRINGER 3, LEFT-HAND SIDE. REPAIRED IAW BOMBARDIER RD 8-53-4481.

Part: SKIN — CHAFED (LT TE FLAP)

YXX - LEFT-HAND WING OUTBOARD FLAP HAS CHAFING WEAR ON THE UPPER SURFACE OF THE FLAP AT YW225.00. REPAIRED IAW RD 57-1022.

Part: SKIN — CHAFED (RT TE FLAP)

YXX - RIGHT-HAND WING INBOARD FLAP HAS CHAFING WEAR ON THE UPPER SURFACE OF THE FLAP AT YW72.00. REPAIRED IAW RD 8-57-1022.

Part: SKIN — DENTED (BS 151.6)

YXX - EXTERIOR FUSELAGE RIGHT-HAND SIDE DENT WITH GOUGE AT STATION 151.6. REPAIRED IAW BOMBARDIER RD 8-53-4491.

Part: RAIL — CORRODED (BS 600)

YXX - CARGO COMPARTMENT INBOARD RAILS HAVE SURFACE CORROSION AT STATION X.600. REPAIRED IAW DHC-8 SRM 51-00-06 AND BOMBARDIER RD 8-53-784.

Part: COUPLING — WORN (LT TE FLAP)

YXX - LEFT-HAND WING PRIMARY FLAP DRIVE TORQUE TUBE ASSEMBLY, INBOARD DRIVE COUPLING IS WORN. REPAIRED IAW MM 27-52-20, PAGE 401-408.

Part: SKIN — CHAFED (RT TE FLAP)

YXX - RIGHT-HAND WING OUTBOARD FLAP HAS CHAFING WEAR ON THE UPPER SURFACE OF THE FLAP AT YW 202.00. REPAIRED IAW RD 57-1022.

Part: SKIN — DENTED (PAX DOOR)

YXX - DENT ON LEFT-HAND PASSENGER DOOR AT FS X240.500 AND Z162.0. REPAIRED IAW RD 8-52-406.

Part: SEAT TRACK — CORRODED (CABIN)

YXX - CORROSION ON LEFT-HAND AND RIGHT-HAND SEAT TRACKS IN AREA OF GALLEY, LAVATORY AND WARDROBE. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-40-00.

Part: RAIL — CORRODED (BS 201-222)

YXX - TWO FLOOR BOARD RAILS AT STATION X201-X222, LEFT-HAND SIDE HAD SURFACE CORROSION. REPAIRED IAW DHC-8 SRM 51-20-11, PAGE 1-10.

Part: WIRE — LOOSE (CABIN)

YXX - WIRES FOR EMERGENCY LIGHTING AT AFT MOST FLOOR BOARD LOOSE. REPLACED ALL FLOOR TRACK LIGHTING.

Part: CONTACTOR — MALFUNCTION (FUSELAGE)

PSC- AFTER ENG START AND EXTERNAL POWER WAS REMOVED, THE RT SIDE OF THE COCKPIT WENT DEAD. THE DC BUS LIGHT, NR 2 GEN LIGHT, AND BATTERY TEMP WARNING LIGHT ALL ILLUMINATED. NOTICED DARK SMOKE COMING FROM THE RT NACELLE IN LARGE AMOUNTS AND INCREASING IN INTENSITY. DISCHARGED NR 2 ENG AFT FIRE BOTTLE AND NOTIFIED CFR. SHUT DOWN ENG'S AND DEPLAINED PASSENGERS W/O INCIDENT. MX INSPECTED AND FOUND NO EVIDENCE OF FIRE. REPLACED 2431 -K2 CONTACTOR, NR 2 STARTER GENERATOR, NR 2 GENERATOR CONTROL UNIT, MAIN A/C BATTERY, NR 2 ENG AFT FIRE BOTTLE, AND NR 2 ENG AFT FIRE BOTTLE BLOW OUT DISK. ALL OPS CHECKS GOOD. A/C RETURNED TO SERVICE.