N368PH

Part: PCU — MALFUNCTIONED (NR 2 ENGINE) · airframe 35,036 hrs · 47,460 cycles

ON CLIMB, NR 2 ENG SURGED, BETWEEN 20-90% TORQUE WITH SIGNIFICANT YAW NOTED. ENG SHUTDOWN IAW E & A CHECKLIST. R & R NR 2 PCU.

Part: BATTERY — DISCHARGED (CABIN) · airframe 34,925 hrs · 47,328 cycles

THREE CABIN EMER EXIT LIGHTS INOPERATIVE. R & R PS-1 & PS-2 EMER BATTERIES.

Part: BATTERY — DISCHARGED (CABIN) · airframe 34,058 hrs · 46,297 cycles

BOTH SIDEWALL LOWER EMER LIGHTS INOPERABLE. R & R PS3 EMER BATTERY.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 34,036 hrs · 46,269 cycles

LOWER EMER LIGHTS WILL NOT ILLUMINATE. R & R PS3 & PS2 EMER LIGHT BATTERY PACK. R & R RT REAR EXIT SIGN LIGHT.

Part: CONNECTOR — LOOSE (CABIN) · airframe 33,991 hrs · 46,214 cycles

LOWER EMER LIGHT AT 2D, 18A & D INOPERABLE. FOUND CONNECTOR 3351P3 LOOSE & SECURED PLUG.

Part: VSI — INOPERATIVE (COCKPIT) · airframe 33,946 hrs · 46,160 cycles

PILOTS VSI IS INOPERABLE. THIS WAS IN ASSOCIATION WITH FUMES IN THE FLIGHT STATION. R & R VSI.

Part: STRINGER — CORRODED (FUSELAGE) · corrosion level 2 · airframe 33,921 hrs · 46,133 cycles

DURING SCHEDULED MX, THE KEEL BEAM STRINGER 31R WAS FOUND TO HAVE EXTENSIVE CORROSION AT APPROX X247. AFTER CUTTING OUT THE DAMAGE, THE DISCREPANT AREA REMOVED MEASURES 6" IN LENGTH. THE STRINGER IS MADE FROM 7075-T6511 ALUMINUM, EXTRUSION CV607.

Part: SKIN PANEL — DAMAGED (LT WING) · airframe 33,921 hrs · 46,133 cycles

PERMANENT REPAIR FOR DENT & GOUGE DAMAGE ON LT LOWER OTBD WING SKIN PANEL ASSEMBLY, PN 5710016 BETWEEN STATIONS Y440.00 - YW457.00 & BETWEEN STRINGERS 14A - 1S.

Part: SKIN — DAMAGED (LT WING) · airframe 33,921 hrs · 46,133 cycles

DAMAGE TO LT WING UNDERSIDE SKIN DURING MX. LOCATED BETWEEN YW 444.00 & YW 457.00. EXACT DAMAGE, THE 45" IS FROM OTBD EDGE OF LOWER SKIN TO DENT. THE 8" IS FROM AFT EDGE OF LOWER SKIN TO DENT. THE 13" IS FROM FWD EDGE OF LOWER SKIN TO DENT. THE DENT HAS A MAX DEPTH OF 0.074", THE DEEPEST GOUGE WITHIN THE DENT IS 0.083". THERE IS ONE DENT THAT HAS 4 GOUGES WITHIN THE ONE DENT. THE STRINGERS INSIDE THE WING ARE BONDED. NO RIVET LINE. THE RIBS IN WING AT DAMAGE LOCATION DO NOT ATTACH TO SKIN.

Part: ATTACH FITTING — CORRODED (BS 201-222) · airframe 33,921 hrs · 46,133 cycles

POSSIBLE CORROSION FOUND AT FOUR ATTACH POINTS WHERE FWD WARDROBE MOUNTS TO FLOORBEAMS BETWEEN BS 201.30 & 222.00.

Part: ENGINE — POWER LOSS (NR 1) · airframe 32,834 hrs · 44,863 cycles

ON SHORT FINAL NR 1 ENG TORQUE WENT TO 80% PERCENT, ENG WAS SHUT DOWN. RESET BETA LOCKOUT BREAKER & ENG PERFORMANCE IAW 71-00-00. OPERATIONS CHECKED SATISFACTORY AT THIS TIME OCF REQUIRED.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 32,271 hrs · 44,183 cycles

RIGHT FWD EGRESS LIGHT INOPERABLE. R & R BULB.

Part: UNKNOWN — MALFUNCTIONED (NR 1 ENGINE) · airframe 32,051 hrs · 43,914 cycles

NR 1 ENG TORQUE FLUCTUATED 10% WITHOUT INPUT FROM CREW. FUEL FLOW ALSO RESPONDS AT THE SAME. PERFORMED ENG PERFORMANCE RUN, ALSO CHECKED AT SEVERAL POWER SETTINGS, COULD NOT DUPLICATE MALFUNCTION.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 31,703 hrs · 43,482 cycles

RT FWD EMERGENCY LIGHT INOPERATIVE. R & R RT FWD EMERGENCY LIGHT IAW AMM 33-51-00. OPS CHECK SATISFACTORY.

Part: MANIFOLD — FAILED (NLG STEERING) · airframe 31,598 hrs · 43,348 cycles

2 HYD QUANTITY AND MAIN PRESSURE WENT TO ZERO. R & R STEERING MANIFOLD. OPS AND LEAK CHECK SATISFACTORY.

Part: BATTERY — INOPERATIVE (EMERGENCY LIGHT) · airframe 31,454 hrs · 43,169 cycles

DURING PRE-FLIGHT THE CREW REPORTED THAT THE 2ND FLOOR EMERGENCY LIGHT WAS INOPERATIVE. MX REPLACED THE PS4 BATTERY.

Part: PCU — FAILED (NR 1 ENGINE) · airframe 31,392 hrs · 43,093 cycles

AT 400 FT, THE NR 1 ENGINE TORQUE WAS AT 116. THEN THERE WAS A STRONG YAW TO THE LEFT. THE PCU WAS CHANGED.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 31,316 hrs · 42,995 cycles

RED EMERGENCY FLOOR PATH LIGHTING WAS REPORTED AS INOPERATIVE BY THE CREW. MX REPLACED THE EFFECTED STRIP.

Part: ACM — FAILED · airframe 30,993 hrs · 42,586 cycles

DURING CRUISE, SMOKE APPEARED IN THE FLIGHT DECK AND CABIN. CREW DEPLOYED O2 MASK AND DECLARED AND EMERGENCY. THE LANDING WAS UNEVENTFUL. THE GROUND CREW CHANGED THE ACM.

Part: RELAY — INOPERATIVE (FUEL SYSTEM) · airframe 30,391 hrs · 41,848 cycles

DURING CRUISE, THE CREW NOTICED THE NR 2 AUX FUEL PUMP WOULD NOT SHUTOFF. GROUND MX CREW TRACED THE ISSUE TO A RELAY. THE RELAY WAS REPLACED AND THE ACFT PERFORMED AN OPS CHECK FLIGHT AND PRODUCED SATISFACTORY RESULTS.

Part: PSEU — FAILED (MLG) · airframe 30,279 hrs · 41,705 cycles

DURING CLIMB THE CREW RECEIVED A WARNING THAT THE LT MAIN GEAR DOOR LIGHT WOULD NOT EXTINGUISH AND THE LANDING GEAR CAUTION LIGHT WAS ILLUMINATED. DECLARED AND EMERGENCY AND RETURNED TO FIELD. GROUND MX TRACED THE ISSUE TO A BAD PSEU. ON CHANGING THE PSEU, PERFORMED AN OPS CHECK THAT PRODUCED SATISFACTORY RESULTS.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 29,678 hrs · 40,945 cycles

DURING PREFLIGHT, CREW NOTICED THE FORWARD FLOOR EMERGENCY LIGHT STRIP WAS INOPERATIVE. R & R PS5 BATTERY. AN OPS CHECK PRODUCED SATISFACTORY RESULTS AND THE ACFT WAS RETURNED TO SERVICE.

Part: BATTERY PACK — DISCHARGED (EMERGENCY LIGHTS) · airframe 28,786 hrs · 39,820 cycles

EMERGENCY CEILING LIGHTS ARE NOT WORKING. CHARGED THE BATTERIES.

Part: HEATER — BURNED (PROPELLER BLADE) · airframe 28,344 hrs · 39,249 cycles

NR 2 PROP, NR 2 BLADE, EXTERNAL HEATER BURNED. R & R NR 2 BLADE ON NR 2 PROP IAW 61-10-00.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT) · airframe 29,723 hrs · 32,506 cycles

FLIGHT CREW REPORTED EMERGENCY LIGHTS ON CEILING ARE NOT WORKING. MX CONTROL INSTRUCTED THE FLIGHT CREW TO RUN THE ACFT AND CHARGE THE BATTERIES, PERFORMED OPS CHECK WAS SATISFACTORY.

Part: SWITCH — INOPERATIVE (EMERGENCY LIGHT) · airframe 28,311 hrs · 39,210 cycles

FLIGHT CREW REPORTED THAT THE EMERGENCY LIGHT SWITCH IS NOT WORKING. MX R & R THE SWITCH ASSY PERFORMED OPS CHECK SATISFACTORY.

Part: CONNECTOR — UNSECURE (EMERGENCY LIGHTS) · airframe 27,841 hrs · 39,003 cycles

FLIGHT CREW REPORTED THAT THE SECOND ISLE FLOOR LIGHT STRIP IS NOT WORKING. MX RESCUED CONNECTOR PLUG, PERFORMED OPS CHECK SATISFACTORY.

Part: FMS — INOPERATIVE (NR 2) · airframe 28,283 hrs · 39,174 cycles

FLIGHT CREW REPORTED NR 2 FMS BLANKED OUT IN FLIGHT AND CREW SMELLED SMOKE. MX R & R NR2 FMS. OPS CHECKED SATISFACTORY.

Part: CONTROL UNIT — INTERMITTENT · airframe 25,468 hrs · 27,546 cycles

FLIGHT CREW REPORTED F/O NAVIGATION SOURCE SWITCHES FROM V LOC TO AUX RANDOMLY IN FLIGHT. MX R & R THE AFCS CONTROL. PERFORMED OPS CHECK AND WAS SATISFACTORY.

Part: SKIN — BENT (CARGO DOOR) · airframe 26,559 hrs · 36,949 cycles

(JJBR) DURING INSP, THE UPPER FWD CORNER OF THE BAGGAGE DOOR SKIN WAS FOUND TO BE BENT. THE DOOR WAS PREVIOUSLY REPAIRED FOR SIMILAR DAMAGE UNDER RD8-52-029 AND ALSO REPAIRED THIS TIME USING RD8-52-029 AGAIN. ALSO FOUND CHAFING ON BAGGAGE DOOR MAIN SILL AND REPAIRED USING RD8-53-7447.

Part: STRUCTURE — BENT (CARGO DOOR) · airframe 26,559 hrs · 36,949 cycles

DURING INSP, THE FWD UPPER CORNER OF THE BAGGAGE DOOR WAS FOUND TO BE BENT. THIS SECTION HAD PREVIOUS SIMILAR DAMAGE THAT WAS REPAIRED USING RD8-52-029. THIS DAMAGE WAS REPAIRED USING RD8-52-029 AGAIN. ALSO, THERE WERE 2 CHAFES FOUND ON BAGGAGE DOOR UPPER MAIN SILL AT THE FWD AND AFT DOOR STOP FITTINGS. THESE CHAFES WERE REPAIRED USING RD8-53-7447.

Part: SIGNAL COND UNIT — FALSE ACTIVATION (NR 1 TORQUE) · airframe 24,585 hrs · 34,420 cycles

AFTER T/O,AT APPOX.350FT, NR 1 ENGINE STARTED TO LOOSE TORQUE. IN ABOUT 10SEC. NR 1 PROP STARTED TO FEATHER. DECLARED EMERGENCY AND RTF. LANDING WAS NORMAL. MAINTENANCE REMOVED AND REPLACED NR 1 TORQUE SIGNIAL CONDITINER UNIT,TEST FLIGHT SATISFACTORY.

Part: STRINGER — CORRODED (ZONE 100) · airframe 24,393 hrs · 34,172 cycles

DURING C-CHECK FOUND THAT STR 31S AND 31S WITH CORROSION. REPAIRED STRINGERS IAW RD8-53-925.

Part: BATTERY — DISCHARGED (CABIN) · airframe 23,680 hrs · 33,259 cycles

CABIN EMERGENCY LIGHTS WILL NOT ILLUMINATE. CREW LEFT SWITCH IN THE ARM POSITION OVERNIGHT, WHICH IN TURN KILLED THE BATTERIES.

Part: BATTERY — NOT SEATED (CABIN) · airframe 21,718 hrs · 31,001 cycles

PRIOR TO FLIGHT EMERGENCY OVERHEAD LIGHT FOUND TO BE INOP. RESEATED BATTERY, OPS CHECKED GOOD.

Part: UNKNOWN — SMOKE (CABIN) · airframe 20,841 hrs · 29,947 cycles

PDX FLIGHT NR 2187, AFTER AND DURING ENGINE START FLIGHT DECK CREW NOTICED BLUE HAZE (SMOKE) ON FLIGHT DECK (FO TURNED BLEEDS OFF, HAD A TAIL WIND ON 10-15 KNOTS). DURING TAXI WITH BLEEDS ON SITUATION SEEMED NORMAL. DURING FLIGHT IDLE DESCENT CREW COULD SMELL AN ABNORMAL SOMETHING, PASSENGERS COULD TOO. COMPLIED WITH PWC TROUBLESHOOTING GUIDE 72-00-01, NO DEFECTS NOTED. CYCLED BLEEDS OFF/ON AT VARIOUS POWER SETTINGS, CHECKED OIL LEVEL FOR CORRECT SERVICE LEVEL. NO DEFECTS NOTED. ALL PARAMETERS OPERATIONAL CHECK GOOD. NO SMELL OF VAPOR FROM AIR DUCTS. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: UNKNOWN — ODOR (CABIN) · airframe 20,812 hrs · 29,908 cycles

PDX - EVIL, FOUL FISH ODOR EMINATING FROM AFT CABIN AREA. MAINTNEANCE COULD NOT DUPLICATE DISCREPANCY. NO PARTS REPLACED. AIRCRAFT RETURNED TO SREVICE.

Part: SMOKE DETECTOR — MALFUNCTIONED (CARGO BAY) · airframe 20,697 hrs · 29,740 cycles

PDX FLIGHT NR 2149 SMOKE WARNING LIGHT ILLUMINATED DURING CLIMB-OUT. RETURNED TO FIELD AS PER EMERGENCY V-LIST. C/W OPS CHECK OF BAG SMOKE DETCTORS. COULD NOT DUPLICATE ON GROUND. VISUAL OF BAGGAGE COMPARTMENT DETECTORS NR 1 SMOKE DETECTOR ON CEILING DID NOT HAVE COPPER GROUNDING TAPE INSTALLED. REPLACED NR 1 SMOKE DETECTOR. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: GENERATOR — INOPERATIVE (NR 2 AC) · airframe 20,683 hrs · 29,720 cycles

SEA - RIGHT STALL WARNING CAUTION LIGHT FOLLOWED 5 SECONDS LATER BY NR 2 AC GENERATOR CAUTION LIGHT. RAN CHECKLIST, ALL CAUTION LIGHTS OUT. SHORTLY THEREAFTER RIGHT STALL WARNING CAUTION LIGHT FOLLOWED BY NR 2 AC GENERATOR CAUTION. NR 2 AC GENERATOR SWITCH TURNED OFF. MAINTENANCE REMOVED AND REPLACED NR 2 AC GENERATOR. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PCU — MALFUNCTIONED · airframe 20,432 hrs · 29,347 cycles

EUG FLIGHT NR 2166, AFTER STARTING ENGINES AND RUNNING CHECKLIST. ADDED POWER TO INITIATE RIGHT RUN OUT OF PARKING SPOT. UPON ADDING POWER TO NR 1 ENGINE, NOTICED TORQUE INCREASE RAPIDLY TO YELLOW ARC. SOUNDED AS IF PROP FEATHERED, BUT DID NOT NOTICE NP GAUGE. RETURNED TO DISC AND ENGINE RETURNED TO NORMAL. MAINTENANCE REPLACED NR 1 ENGINE PCU IAW MTC 9612201. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROLLER — MALFUNCTIONED (CABIN PRESSURE) · airframe 20,139 hrs · 28,925 cycles

LMP FLIGHT NR 2011 LEVELING AT 25000 FEET WE GOT A CABIN PRESS WARNING. CABIN ALT 12,000 FEET (FORWARD OUTFLOW WAS NORMAL, BLEEDS WERE ON AND MAX AND THE CABIN DUMP SELECTOR WAS IN AUTO) DECLARED THE EMERGENCY STARTED AND RAN ALL CHECKLISTS TO THEIR COMPLETION IN A 3500 FT DESCENT RATE THE CABIN ALTITUDE DESCENDED TO BELOW 10,000 FEET. LEVELED AT 9500 FEET AND CABIN ALT LEVELED AT AROUND 6000-65000 DIFFERENTIAL WAS AROUND 1.0 - 1.5 DIFF. EVERYTHING APPEARED TO BE NORMAL FOR THE REST OF THE FLIGHT. MAINTENANCE COMPLIED WITH VISUAL INSPECTION OF FORWARD AND AFT OUTFLOW VALVES WITH NO DEFECTS NOTED. REPLACED CABIN PRESSURE CONTROLLER IAW MM TASKS 21-30-069-000-801 AND 21-30-09-400-801. GROUND RAN AIRCRAFT, PRESSU

Part: ACM — ODOR · airframe 20,015 hrs · 28,746 cycles

MFR FLIGHT NR 2125 - UPON LEVEL OFF AT FL190, NOTICED UNUSUAL ODOR ACCOMPANIED BY AIRCRAFT NOT PRESSURIZING PROPERLY. CABIN CONTINUED TO CLIMB AND CABIN ALTITUDE APPROACHED 8000. MAINTENANCE REPLACED AIR CYCLE MACHINE. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CIRCUIT BREAKER — TRIPPED (BETA LOCKOUT) · airframe 19,638 hrs · 28,202 cycles

SEA FLIGHT NR 2031 - ON TAXI, NR 2 ENGINE MANUAL CAUTION LIGHT ILLUMINATED. MAINTENANCE RESET BETA LOCKOUT CIRCUIT BREAKER. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: WIRE — DAMAGED (HYD INDICATOR) · airframe 19,560 hrs · 28,093 cycles

PDX FLIGHT NR 2284, NR 2 STANDBY HYDRAULIC PRESSURE INOP, STANDBY HYDRAULIC PRESSURE INDICATOR INOP. MAINTENANCE REPAIRED WIRE SHIELDING AT NR 2 STANDBY PUMP PRESSURE TRANSDUCER. NO PARTS REPLACED. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PRESSURE SWITCH — FALSE ACTIVATION (RUDDER) · airframe 19,539 hrs · 28,061 cycles

SEA FLIGHT NR 2194 - ON PUSHBACK RUDDER PRESSURE CAUTION LIGHT ILLUMINATED. MAINTENANCE REPLACED BOTH RUDDER PRESSURE SWITCHES IAW D8200 MM 27-20-38. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SKIN — CHAFED (FUSELAGE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - CHAFE ON TOILET SERVICING APERTURE AND DOUBLER. REPAIRED IAW SRM 51-20-11, 51-20-26, AND 51-20-16.

Part: SKIN — CORRODED (FUSELAGE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - CORROSION ON TOILET SERVICING APERTURE AT AFT LOWER SIDE. REPAIRED IAW RD8-53-3299 AND RD8-53-2103, SRM 51-20-36, AND 51-20-51.

Part: FIREWALL — CRACKED (NR 2 NACELLE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - SUSPECT CRACK ON NR 2 ENGINE FIREWALL ON UPPER HOLE FOR CONNECT ANGLE. REPAIRED IAW RD8-54-2293.

Part: SKIN — CORRODED (FUSELAGE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - CORROSION IS EVIDENT ON LOWER TCAS ANTENNA DOUBLER, CORROSION IS IN A CIRCULAR PATTERN. REPAIRED IAW SRM 51-20-11 AND 51-20-16.

Part: FLAP TRACK — CORRODED (T/E FLAP) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - LEFT WING NR 4 FLAP TRACK INBOARD SIDELOAD ROLLER TRACK SURFACE IS WORN AND CORRODED. REPAIRED IAW RD8-57-988.

Part: FLAP TRACK — CORRODED (LT WING) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - LEFT WING NR 4 FLAP TRACK LOWER SURFACE OF LOWER INBOARD TRACK IS PITTED. REPAIRED IAW RD8-57-988.

Part: FLAP TRACK — DAMAGED (LT WING) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - REWORK, LEFT WING NR 4 FLAP TRACK OUTBOARD LOWER TRACK, UPPER SURFACE HAS DIVOTS, TRACK SURFACE WAS TREATED WITH NEW SURFACE COATING PRIOR TO REPAIR OF DIVOTS. COATING REQUIRES REMOVAL TO COMPLETE REPAIR. REPAIRED IAW RD8-57-988.

Part: FLAP TRACK — CORRODED (LT WING) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - LEFT WING NR 4 FLAP TRACK OUTBOARD SIDE LOAD ROLLER "TRACK SURFACE" IS WORN AND CORRODED. REPAIRED IAW RD8-57-988.

Part: FLAP TRACK — CHAFED (T/E FLAP) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - LEFT WING INBOARD FLAP INBOARD LOWER TRACK HAS CHAFE DAMAGE ON UPPER SURFACE AT 7" FROM FORWARD EDGE. REPAIRED IAW RD8-57-985.

Part: NUT PLATE — BROKEN (WINDOW) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - MTX REQUEST, 2 BROKEN NUTPLATES ON CO-PILOT WINDSHIELD, (SCREWS STILL INSTALLED). REPAIRED IAW SRM 51-40-11.

Part: SHEAR TIE — CRACKED (CENTER WING SECT) · airframe 19,426 hrs · 27,902 cycles

PDX C4 CENTER WING AFT SPAR TO FUSELAGE SKIN CONNECT ANGLE ON THE RIGHT HAND SIDE IS CRACKED. REPLACE CLOSING ANGLE WITHIN 40,000 FLIGHTS IAW RD 8-53-5192. PLACED ON MRSI.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - SEAT TRACK NR 10 HAS PITTING CORROSION, NICKS, SCRATCHES STATION X282, X313, X330 TO X350, X375. REPAIRED IAW RD8-53-1342 AND RD8-53-9396.

Part: SPAR CAP — CHAFED (LT WING) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - LEFT WING FRONT SPAR LOWER CAP HAS 2" AREA OF MINOR CHAFING AT INBOARD END OF 511AL CONTACT. REPAIRED IAW RD8-57-1150 AND RD8-57-811.

Part: FLAP TRACK — DAMAGED (NR 5 FLAP) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - LEFT WING NR 5 FLAP TRACK UPPER DEAD WEIGHT ROLLER TRACK SURFACE HAS DIVOTS. REPAIRED IAW RD8-57-989.

Part: BULKHEAD — DENTED (FUSELAGE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - DENT IN REAR PRESSURE BULKHEAD VIEWED FROM THE TAIL CONE SIDE LOOKING FORWARD 10" LEFT OF AIRCRAFT CENTERLINE AT 9:00 POSITION. REPAIRED IAW RD8-53-9394.

Part: HINGE BRACKET — WORN (LT AILERON)

C4 PDX - LEFT AILERON SPRING TAB, INBOARD CENTER HINGE BRACKET HOLES ARE WORN. REPAIRED IAW SRM 51-40-00 AND 51-20-26.

Part: FLAP TRACK — CHAFED (T/E FLAP) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - LEFT WING INBOARD FLAP INBOARD UPPER TRACK HAS CHAFE DAMAGE ON LOWER SURFACE AT 8.5" FROM FORWARD EDGE. REPAIRED IAW RD8-57-985.

Part: HINGE BRACKET — WORN (LT AILERON) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - LEFT AILERON INBOARD SPRING TAB HINGE BRACKET IS WORN EXCESSIVELY. REPAIRED IAW SRM 51-40-11, 51-40-00, AND 51-20-26.

Part: FLAP TRACK — CHAFED (T/E FLAP) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - LEFT WING INBOARD FLAP INBOARD UPPER TRACK HAS CHAFE DAMAGE ON UPPER SURFACE AT 8.5" FROM FORWARD EDGE. REPAIRED IAW RD8-57-985.

Part: SPAR — CORRODED (LT WING) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - LEFT WING FORWARD SPAR AT INBOARD LEADING EDGE HAS FRETTING CORROSION AT UPPER INBOARD SCREW HOLE AT STATION YW48.00. REPAIRED IAW RD8-57-1150, RD8-57-811, SRM 51-20-26, AND 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - SEAT TRACK NR 1 HAS CORROSION, NICKS, SCRATCHES AT STATION 291 TO X300, X308 TO X315, X360 TO X378. REPAIRED IAW RD8-53-1342 AND SRM 51-20-16, 51-20-36.

Part: STRUCTURE — CORRODED (FUSELAGE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - CORROSION UNDER MAIN CABIN DOOR SILL AT AFT NUTPLATE. REPAIRED IAW SRM 51-20-16, 51-20-41, AND 51-40-11.

Part: SKIN — TORN (NACELLE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - NR 1 ENGINE, SMALL SECTION OF SHEETMETAL TORN AWAY JUST FORWARD OF AFT RIGHT ATTACH PIN HOLE FOR THE LOWER COWL. REPAIRED IAW RD8-54-063 AND SRM 51-20-16.

Part: SKIN — CORRODED (FUSELAGE) · airframe 16,427 hrs · 27,902 cycles

C4 PDX - CORROSION AT INTERIOR SKIN WHERE MAIN CABIN DOOR AIR SEAL SUPPLY NOZZLE GOES THROUGH. REPAIRED IAW SRM 51-20-16 AND 51-20-41.

Part: STRAP — CHAFED (FUSELAGE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - FORMER REINFORCEMENT STRAP INSIDE FACE STATION 636 AT UPPER CARGO FLOOR LEVEL RIGHT SIDE IS CHAFED. REPAIRED IAW SRM 51-20-11 AND 51-20-36.

Part: SEAT TRACK — DAMAGED (FUSELAGE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - SEAT TRACK NR 2 HAS SCRATCHES, NICKS, CHAFE DAMAGE AT STATION X430 TO X437, X449 TO X455, X467, X488, X497, X501. REPAIRED IAW RD8-53-1342, SRM 51-40-11.

Part: FITTING — CHAFED (RUDDER) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - FORE RUDDER YAW DAMPER ATTACH POINT LUG ON FORWARD SPAR HAS CIRCULAR CHAFING AROUND BEARING BORE. REPAIRED IAW RD8-55-128.

Part: NUT PLATE — BROKEN (FUSELAGE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - NUTPLATE FOR LEADING EDGE OF LEFT ICE SHIELD IS BROKEN. REPAIRED IAW SRM 51-40-00.

Part: SKIN — CRACKED (LT NACELLE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - LEFT NACELLE SKIN IS CRACKED AT FORWARD INBOARD CORNER OF GEAR WELL OPENING. REPAIRED IAW RD8-54-873.

Part: ANGLE — CHAFED (FUSELAGE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - ANGLE BETWEEN RIGHT AND LEFT INBOARD SEAT TRACKS AT BASE OF COCKPIT STEP A/C CENTER LINE Z100 STATION X182 AT FASTENER HOLE FOR FLOOR PANEL NR 133AZ HAS CHAFE DAMAGE. REPAIRED IAW SRM 51-25-06 AND 51-40-11.

Part: FITTING — CHAFED (RUDDER) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - FORE RUDDER HYDRAULIC ACTUATOR LOWER PUSH ROD ATTACH POINT LUG HAS CIRCULAR CHAFING MARKS ON TOP SURFACE AROUND BEARING BORE. REPAIRED IAW RD8-55-128.

Part: FLAP TRACK — CORRODED (T/E FLAP) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - RIGHT WING NR 5 FLAP TRACK HAS CORROSION ON FORWARD ATTACH POINT BETWEEN SPIGOT PLATE AND UPPER SURFACE OF FLAP TRACK. REPAIRED IAW AMM 57-50-51-000-801, 57-50-51-400-802, AND 57-50-51-400-801.

Part: STRUCTURE — CORRODED (FUSELAGE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - LIGHT SURFACE CORROSION AT CARGO FLOOR DECK AROUND OPENING FOR PANEL 144HZ. REPAIRED IAW SRM 51-20-11, 51-20-00.

Part: FRAME — CHAFED (FUSELAGE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - INBOARD FACE OF FORMER STATION 650 IS CHAFED AT RIGHT SIDE FLOOR LEVEL. REPAIRED IAW SRM 51-20-11AND 51-20-00.

Part: SUPPORT BRACKET — CRACKED (FUSELAGE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - SUPPORT BRACKET AT X242.00 FOR MAIN CABIN DOOR LOWER SILL CRACKED. REPAIRED IAW SRM 51-40-11.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - LIGHT SURFACE CORROSION UNDER INBOARD NUTPLATE AND ALONG UPPER SURFACE OF LEFT AFT FLOOR SUPPORT "L" ANGLE WHICH ATTACHING CARGO DECK TO FRAME X 600.00. REPAIRED IAW SRM 51-20-11, 51-00-01.

Part: SUPPORT ANGLE — CORRODED (FUSELAGE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - SUSPECTED CORROSION AT CARGO DECK SUPPORT ANGLE JUST OUTBOARD OF LEFT ELEVATOR PULLEY ASSEMBLY AT STATION X594.00. REPAIRED IAW SRM 51-20-11, 51-00-01, AND 51-20-00.

Part: BRACKET — CRACKED (WING) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - RIGHT "Z" ANGLE BRACKET CRACKED AT STATION YW 58.00 AT FORWARD SPAR. REPAIRED IAW SRM 51-25-06, 51-21-11, AND 51-40-11.

Part: STRUCTURE — CORRODED (FUSELAGE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - CORROSION UNDER NUTPLATE DOUBLER AT CARGO FLOOR DECK AT STATION X580.50 AND LEFT Y 26.00. REPAIRED IAW SRM 51-20-11, 51-20-00, AND 51-20-01.

Part: STRUCTURE — CORRODED (FUSELAGE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - CORROSION UNDER NUTPLATE AT CARGO FLOOR DECK AT STATION X 546.00 AND LEFT Y 35.00. REPAIRED IAW SRM 51-20-11, 51-20-00, AND 51-20-36.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 19,427 hrs · 27,902 cycles

C4 PDX - LIGHT SURFACE CORROSION UNDER OUTBOARD NUTPLATE AND ALONG UPPER SURFACE OF RIGHT FLOOR SUPPORT "L" ANGLE WHICH ATTACHING TO FRAME X 6000.00. REPAIRED IAW SRM 51-20-11, 51-40-11, AND 51-40-00.

Part: FLAP TRACK — CORRODED (LT WING) · airframe 19,426 hrs · 27,902 cycles

PDX C4 LEFT WING INBOARD FLAP INBOARD LOWER TRACK HAS PITTING ON UPPER SURFACE AT APPROXIMATELY 20" FROM FORWARD EDGE. REPAIRED IAW RD 8-57-985.

Part: HYDRAULIC SYSTEM — LOW (NR 1) · airframe 19,426 hrs · 27,902 cycles

SEA FLIGHT NR 2299, AFTER ENGINE START NR 1 HYDRAULIC QUANTITY CHANGED FROM 2.5 TO 2.1. MAINTENANCE CHECKED FOR AIR IN THE NR 1 HYDRUALIC SYSTEM IAW AMM 29-10-00-70-801. NO FLUCTUATION ON NR 1 HYDRAULIC QUANTITY NOTED. SERVICED NR 1 HYRAULIC SYSTEM AS REQUIRED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: INDICATOR — MALFUNCTIONED (ENGINE TORQUE) · airframe 19,233 hrs · 27,629 cycles

LMT FLIGHT NR 2240 ON TAKEOFF ROLL, NR 1 ENGINE PRODUCED 60 PERCENT TORQUE WHILE NR 2 ENGINE PRODUCED RATED POWER. TAKEOFF POWER IS APPROXIMATELY 99 PERCENT. POWER LEVERS WERE MATCH EVENLY. MAINTENANCE COMPLIED WITH ENGINE RUNS FOR MFC INSTALLATION AND PCU INSTALLATION IAW MTC'S 9720018 AND 9720016. NO DEFECTS NOTED. REMOVED AND REPLACED NR 1 TORUQE INDICATOR IAW AMM TASKS 77-10-05-000-801 AND 77-10-05-400-801 FOR PRECAUTIONARY MEASURES. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PCU — MALFUNCTIONED (NR 2) · airframe 19,146 hrs · 27,507 cycles

PDX FLIGHT NR 2149, AFTER SETTING TAKEOFF POWER NR 2 NP ACCELERATED TO 1235 WITH AUDIBLE DIFFERENCE IN SPEED RELATIVE TO ENGINE NR 1. ABORTED TAKEOFF AROUND 60KTS. MAINTENANCE REPLACED THE NR 2 PCU IAW MTC 9612201. ENGINE RUN TEST GOOD IAW MTC 9720016. AIRCRAFT RETURNED TO SERVICE.

Part: PITOT HEAD — MALFUNCTIONED (PITOT/STATIC SYS) · airframe 18,910 hrs · 27,151 cycles

SEA FLIGHT NR 2262, NR 1 PITOT HEAT CAUTION. MAINTENANCE REPLACED NR 1 PITOT MAST. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING SYSTEM — MALFUNCTIONED (COCKPIT) · airframe 18,710 hrs · 26,857 cycles

PDX - NR 1 AC GENERATOR CAUTION ILLUMINATED IN FLIGHT. FOLLOWED CHECK LIST, CYCLED SWITCH NR 1 AC GENERATOR CAUTION EXTINGUISHED. NO OTHER ABNORMALITIES NOTED. MAINTENANCE PERFORMED GROUND RUN AND C/W FUNCTIONAL TEST OF THE AC POWER. TESTED GOOD NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.

Part: REGULATOR — MALFUNCTIONED (RUDDER) · airframe 18,318 hrs · 26,276 cycles

PDX FLIGHT NR 2270 NR 1 RUDDER HYDRAULIC, RUDDER PRESSURE AND RUDDER FULL PRESSURE CAUTION ILLUMINATED. MAINTENANCE REPLACED DUAL PRESSURE REGULATOR. OPERATION CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: RELAY — MALFUNCTIONED (PROP HEAT) · airframe 17,717 hrs · 25,383 cycles

SEA FLIGHT NR 2269, PROP HEAT WILL NOT TURN OFF. MAINTENANCE REPLACED 361-K1 RELAY. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: FITTING — LOOSE (NR 1 NACELLE) · airframe 17,459 hrs · 25,022 cycles

SEA FLT 2232 - AFTER START DE-ICE PRESSURE STAYED AT 1200PSI AND A/C DID NOT PRESSURIZE FOR ABOUT 1.5 MINUTES. AFTER THAT TIME PRESSURE CAME UP TO 18PSI AND PRESSURIZATION RETURNED TO NORMAL. DURING AUTO FEATHER TEST OF ENG NR 1 DE-ICE PRESSURE RETURNED TO 12PSI AND A/C PRESSURIZATION FAILED. MX T/S AND FOUND TUBE ASSY (AIR PRESSURE LINE) FOR THE 65PSI AND 55PSI SWITCHES AT THE FIREWALL FITTING LOOSE ON THE NR 1 NACELLE. RE-TIGHTENED FITTING AND OP CHECKED BLEED AIR SYSTEM IAW DHC8-200 MM 22-11-00, PAGE 501-504, ALSO PERFORMED OP CHECKS OF THE PRESSURIZATION IAW DHC8-200 MM 21-30-00-720-801. OP CHECK GOOD ON ALL SYSTEMS. NO FURTHER DEFECTS NOTED. NO PARTS REPLACED. A/C RETURNED TO SERVICE.

Part: OUTFLOW VALVE — MALFUNCTIONED (CABIN PRESSURE) · airframe 5,948 hrs · 8,195 cycles

SEA FLIGHT NR 2223 CLIMBING THROUGH 18K, GOT A RAPID DECOMPRESSION. THE PRESSURE LOSS SOUND CAME FROM THE FORWARD OUTFLOW VALVE AREA. DIFFERENTIAL PSI WAS APPROXIMATELY 5.1PSID. THERE WAS AN BURNING SMELL AT THE SAME TIME THAT DISSIPATES AS PRESSURE LATER STABILIZED AT 4.0PSID, MAINTENANCE REPLACED HPSON. AIRCRAFT RELEASED FOR TEST FLIGHT. TEST FLIGHT SATISFACTORY. AIRCRAFT RETURNED TO SERVICE.

Part: SHUTOFF VALVE — MALFUNCTIONED (BLEED AIR) · airframe 17,206 hrs · 24,682 cycles

SEA FLIGHT NR 2167, ON TAXI IT WAS NOTED 100C DIFFERENCE ITT ALL OTHER ENGINE INSTRUMENTS ABOUT THE SAME. WITH NR 1 BLEED OFF NO CHANGE IN ITT. WITH NR 2 BLEED OFF ITT CHANGED SIGNIFICANTLY. MAINTENANCE REPLACED NR 1 HPSOV, NORMAL ITT CHANGED NOTED WITH APPLIED BLEED LOAD. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: PUMP — MALFUNCTIONED (NR 2 HYD SYSTEM) · airframe 16,794 hrs · 24,088 cycles

SEA FLIGHT NR 2180 - NR 2 HYDRAULIC PUMP CAUTION. MAINTENANCE REPLACED NR 2 EDP. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING LIGHT — ILLUMINATED (FLT DIRECTOR) · airframe 15,764 hrs · 22,671 cycles

LWS FLIGHT 2023 - FLIGHT DIRECTOR HEADING DATA MESSAGE ON BOTH ADVISORY DISPLAYS. CYCLED AIRCRAFT POWER PER MAINTENANCE CONTROL. ALL INDICATIONS NORMAL. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: GCU — FAILED (ZONE 100) · airframe 15,720 hrs · 22,479 cycles

NR 1 AC GENERATOR CAUTION LIGHT FAILED TO EXTINGUISH AFTER START UP. RESET AC AS PER CHECKLIST AND LIGHT EXTINGUISHED. GOT LIGHT AGAIN ON TAKEOFF ROLL AND RESET AGAIN AND LIGHT EXTINGUISHED. NR 1 AC GENERATOR LIGHT DID NOT COME ON FOR REST OF FLIGHT. REMOVED AND REPLACED NR 1 AC GCU. PERFORMED FUNCTIONAL CHECK, TESTED GOOD. ACFT RETURNED TO SERVICE.

Part: PITOT HEAD — INOPERATIVE (NR 1) · airframe 15,106 hrs · 21,532 cycles

SEA - ON FLIGHT 2089, PITOT HEAT 1 CAUTION LIGHT ILLUMINATED IN ICING CONDITIONS. COMPLIED WITH CHECKLIST. MAINTENANCE REMOVED AND REPLACED NR 1 PITOT HEAD. PERFORMED LEAK TEST OF NR 1 PITOT SYSTEM. LEAK CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: REGULATOR — FAILED (ZONE 200) · airframe 14,964 hrs · 21,315 cycles

THE FLIGHT RETURNED TO FIELD WHEN AFTER TAKEOFF THE CREW RECEIVED A FULL RUDDER PRESSURE, NR 1 RUDDER HYDRAULIC, AND RUDDER PRESSURE CAUTIONS. MAINTENANCE INSPECTED THE SYSTEM AND REPLACED THE DUAL PRESSURE REGULATOR. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: CONNECTOR — CONTAMINATED (ZONE 200) · airframe 14,955 hrs · 21,302 cycles

PDX - FLIGHT 2092 - THE FLIGHT RETURNED TO FIELD WHEN AFTER TAKEOFF THE CREW RECEIVED A RUDDER PRESSURE, FULL RUDDER PRESSURE, AND RUDDER HYDRAULIC CAUTIONS LIGHTS. MAINTENANCE INSPECTED THE SYSTEM AND FOUND MOISTURE IN CONNCETORS P3, P4, P9 AND P10. THE CONNCETORS WERE CLEANED, DRIED, AND GELTEK TAPE WAS APPLIED. OPERATIONAL CHECKS WERE PERFORMED AND WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: FITTING — LEAKING (FUEL SYSTEM) · airframe 14,842 hrs · 21,139 cycles

PDX - A FUEL LEAK WAS NOTED BY MAINTENANCE AFT OF THE NR 2 WHEEL WELL. THE SYSTEM WAS INSPECTED AND THE WIGGINS FITTING OF THE MASTER REFUEL VALVE WAS REPLACED. OPERATIONAL AND LEAK CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: CONTROLLER — FAILED (WINDSHIELD HEAT) · airframe 14,810 hrs · 21,094 cycles

SEA - FLIGHT 2004 - DURING THE CLIMB-OUT, THE CREW RECEIVED A RIGHT WINDSHIELD HOT CAUTION LIGHT. PER THE CHECKLIST, THE CREW WENT TO WARM-UP AND THE CAUTION LIGHT WENT OUT. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE WINDOW TEMPERATURE CONTROL. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SMOKE DETECTOR — FAILED (LAVATORY) · airframe 14,773 hrs · 21,057 cycles

SEA - FLIGHT 2051 - THE CREW REPORTED THE LAVATORY SMOKE DETECTOR SOUNDED DURING THE CLIMBOUT. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE LAVATORY SMOKE DETECTOR. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BUSHING — WORN (MAIN CABIN DOOR) · airframe 14,693 hrs · 20,919 cycles

UPON ARRIVAL, THE CREW COULD NOT OPEN THE MAIN CABIN DOOR. MAINTENANCE INSPECTED THE DOOR FOR RIG AND FOUND THE RIGGING OF THE DOOR TO BE GOOD. UPON FURTHER INSPECTION, MAINTENANCE FOUND THE AFT DOOR RAIL ARM PIVOT EMBEDDING ITSELF INTO THE FALSE BULKHEAD LOCATED IN FRONT OF ROW 1A. THE BUSHINGS LOCATED AT THE TOP AND BOTTOM OF THE BULKHEAD WERE REPLACED GIVING CLEARANCE TO THE HANDRAIL. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BULKHEAD — OUT OF ADJUST (FUSELAGE) · airframe 14,693 hrs · 20,919 cycles

PDX - FLIGHT 2236 - THE MAIN CABIN DOOR IS DIFFICULT TO OPERATE. MAINTENANCE INSPECTED THE DOOR AND DETERMINED THAT THE DOOR WAS RUBBING AGAINST THE FORWARD BULKHEAD. THE BULKHEAD WAS ADJUSTED AND OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 14,666 hrs · 20,879 cycles

PDX - NR 2 SEAT TRACK HAS LIGHT SURFACE CORROSION ON TOP OF RAILS AT X451-X453, X486 AND IN BOTTOM OF CHANNEL AT X439 AND X452. REPAIRED IAW RD 8-53-8209, PAGE 4, FIGURE 4.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,666 hrs · 20,879 cycles

PDX - NR 4 SEAT TRACK OUTBOARD FLANGE HAS CORROSION ON TOP SURFACE FROM X201 TO X228. REPAIRED IAW DHC-8-200 SRM 51-40-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,666 hrs · 20,879 cycles

PDX - FORWARD RIGHT HAND INBOARD SEAT TRACK TOP SURFACE HAS CORROSION AT APPROXIMATELY STATION X215.500. REPAIRED IAW RD 8-53-1102.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 14,666 hrs · 20,879 cycles

PDX - NR 1 SEAT TRACK HAS CORROSION IN BOTTOM OF TRACK AT X309 AND X424. REPAIRED IAW RD 8-53-1342 AND SRM 51-40-00.

Part: SEAT TRACK — CORRODED (ZONE 100) · airframe 14,666 hrs · 20,879 cycles

PDX - NR 1 SEAT TRACK HAS LIGHT SURFACE CORROSION ON TOP OF RAILS AT STATIONS X295-297, X330-X332, X363-X366, X376-X379, X393, X406-X409 AMD X425. REPAIRED IAW RD 8-53-1342, SRM 51-40-00 AND SRM 51-40-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,666 hrs · 20,879 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK HAS CORROSION AT CENTER CHANNEL AND CHANNEL RADIUS AT APPROXIMATELY STATION X451.000. REPAIRED IAW DHCC8-200 SRM 51-40-00 AND SRM 51-40-11.

Part: FRAME — CRACKED (VERTICAL STAB) · airframe 14,666 hrs · 20,879 cycles

PDX - VERTICAL STABILIZER FRAME 4 IS CRACKED AT STRINGER RT 4 IN AFT FUSELAGE SECTION. REPAIRED IAW RD 8-55-199.

Part: CONNECTOR — DIRTY (EMERGENCY LIGHT) · airframe 14,666 hrs · 20,879 cycles

EMERGENCY FLOOR PATH LIGHTS STRIP HAS INTERMITTENT RED LIGHTS. MAINTENANCE CLEANED AND INSPECTED CONNECTOR PRIOR TO INSTALLATION OF FLOORBOARD. OPERATIONAL CHECKED EMERGENCY EXIT FLOOR PATHS LIGHTS. OPERATIONAL CHECK GOOD. NO DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT) · airframe 14,224 hrs · 20,226 cycles

SEA - FORWARD CABIN OVERHEAD EMERGENCY EXIT SIGN INOP, FORWARD CABIN EMERGENCY EXIT SIGN INOP, FORWARD RT EXTERNAL EMERGENCY LIGHT INOP. MAINTENANCE REPLACED NR 2 BATTERY PACK. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONNECTOR — LOOSE (SMOKE DETECTOR) · airframe 13,483 hrs · 19,233 cycles

CREW RECEIVED A SMOKE, MASTER WARNING, AND ANNUNCIATOR INDICATIONS ON TWO OCCASIONS. NO SMOKE OR ABNORMAL SMELLS WERE NOTICED. MAINTENANCE INSPECTED THE SYSTEM AND FOUND THE NR 2 SMOKE DETECTOR CONNECTOR PLUG NOT TIGHT. BOTH THE NR 1 AND 2 DETECTOR CONNECTOR PLUGS WERE REMOVED, CLEANED AND REINSTALLED. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: ACTUATOR — BYPASSING (NLG) · airframe 14,046 hrs · 19,954 cycles

SUP - YVR - FLIGHT 2276 - THE CREW ABORTED THE APPROACH WHEN AFTER SELECTING THE GEAR DOWN, THE NOSE LANDING GEAR DID NOT EXTEND. THE CHECKLIST WAS FOLLOWED AND THE GEAR WAS LOWERED USING THE ALTERNATE METHOD. THE LANDING WAS UNEVENTFUL. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE NOSE LANDING GEAR ACTUATOR BYPASSING FLUID. THE ACTUATOR WAS REPLACED AND THE OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: CONNECTOR — DIRTY (ZONE 100) · airframe 13,579 hrs · 19,242 cycles

SEA - FLIGHT 2168 - NR 1 AC GENERATOR CAUTION LIGHT ILLUMINATED IN FLIGHT. RESET SWITCH AS PER CHECKLIST. LIGHT THEN WENT OUT FOR REMAINDER OF FLIGHT. CLEANED CONNECTORS ON NR 1 AC GENERATOR. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — MALFUNCTIONED (LAVATORY) · airframe 12,768 hrs · 18,063 cycles

SEA - FLIGHT 2120 - THE LAV SMOKE DETECTOR SOUNDED FOR 30 SECONDS DURING CLIMB. THE FLIGHT ATTENDANT CHECKED THE LAV AND THE CABIN. NO SMOKE OR HAZE WAS NOTED. MAINTENANCE INSPECTED THE AIRCRAFT AND PERFORMED AN OPERATIONAL CHECK OF THE DETECTOR. THE CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE. NO PARTS WERE REPLACED.

Part: SWITCH — DAMAGED (AIR INTAKE) · airframe 12,748 hrs · 18,034 cycles

RDM FLIGHT 2128, DIVERTED TO PDX DUE TO WEATHER NR 2 BYPASS DOOR SWITCH WILL NOT LATCH IN THE OPEN POSITION. REPLACED BYPASS CONTROL SWITCH IAW HORIZON AIR EO 2-30-04B. NO PARTS REPLACED. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SHUTOFF VALVE — LEAKING (FUEL SYSTEM) · airframe 12,730 hrs · 18,010 cycles

FUEL LEAK WAS NOTED COMING FROM THE RT NACELLE. MAINTENANCE INSPECTED THE REFUELING VALVE AND NACELLE. THE REFUEL DEFUEL SHUTOFF VALVE WAS REPLACED. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: CONTROLLER — INOPERATIVE (ZONE 200) · airframe 12,603 hrs · 17,827 cycles

PSC FLIGHT 2239 EN ROUTE FROM ALW TO SEA, CAPTAIN SIDE WINDOW HOT LIGHT ILLUMINATED, DIVERTED TO PSC. REPLACED TEMPERATURE CONTROLLER. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SWITCH — OUT OF ADJUST (ZONE 400) · airframe 12,302 hrs · 17,399 cycles

ON FLIGHT 2172 DURING APPROACH WHEN BRINGING CONDITION LEVERS TO 1050, POWER LEVERS FLIGHT IDLE NR 1 ENGINE SURGED FOR ABOUT 2 SECONDS. WHEN POWER LEVERS WERE ADVANCED AHEAD OF FLIGHT IDLE SURGE STOPPED. UPON INSPECTION FOUND NR 1 POWER LEVER BETA BACKUP SWITCH OUT OF ADJUSTMENT. ADJUSTED SWITCH. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: VALVE — MALFUNCTIONED (BLEED AIR SYS) · airframe 11,644 hrs · 16,405 cycles

BOI- ON FLIGHT 2196 AFTER ENGINE START AND THE BLEEDS TURNED ON, AIRCRAFT FILLED WITH SMOKE. REMOVED AND REPLACED NR 2 ENGINE P2.5/P3 SWITCHING VALVE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE — DETECTED (CABIN) · airframe 10,489 hrs · 14,669 cycles

SEA-ON FLIGHT NUMBER 2255, CABIN FILLED WITH SMOKE DURING TAXI AFTER COMPLYING WITH BETA LOCKOUT RESET PROCEDURES. GROUND RAN ENGINES WITH BLEED AIR AT SEVERAL POWER SETTINGS. NO EVIDENCE OF SMOKE IN FLIGHT COMPARTMENT OR CABIN. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: INVERTER — FAILED (ZONE 100) · airframe 10,082 hrs · 14,099 cycles

PDX- ON FLIGHT 2044 MFR-SEA AIRCRAFT DIVERTED TO PDX DUE TO ALL THREE INVERTER CIRCUIT BREAKERS WITH ASSOCIATED CAUTION LIGHTS AND SMELL IN COCKPIT AND CABIN WITHOUT ANY SMOKE. RAN PRIMARY INVERTER CHECKLIST. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED PRIMARY INVERTER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: DETECTOR — INOPERATIVE (ZONE 200) · airframe 9,743 hrs · 13,629 cycles

SEA-OUT OF 2000 FEET ON DEPARTURE FROM PDX, LAVATORY SMOKE DETECTOR ACTIVATED. FLIGHT ATTENDANT CHECKED, NO SMOKE/FUMES. PUSHED RESET/TEST, ALARM STOPPED. REMOVED AND REPLACED LAVATORY SMOKE DETECTOR. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: STRUCTURE — CHAFED (CARGO DOOR) · airframe 9,740 hrs · 13,623 cycles

PDX - CARGO DOOR CHAFED 1 1/2 INCH LONG, 14 INCHES FROM AFT EDGE 6 INCHES FROM TOP EDGE. REPAIRED IAW DHC-8 SRM 52-00-16 AND SRM 51-20-26, PAGE 7.

Part: STRUCTURE — CHAFED (CARGO DOOR) · airframe 9,740 hrs · 13,623 cycles

PDX - CARGO DOOR CHAFED 1.2 INCHES DIAMETER, 3 1/2 INCHES FROM LOWER EDGE AND 12 INCHES AFT OF FORWARD EDGE. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-26, PAGE 7.

Part: WIRE — CHAFED (NR 2 WOW SWITCH) · airframe 9,740 hrs · 13,623 cycles

DPX - NR 2 WOW HARD LINE HAS CHAFED STRUT. REPAIRED IAW HORIZON AIR EA 2-32-57.

Part: STOP — CHAFED (CARGO DOOR) · airframe 9,740 hrs · 13,623 cycles

PDX - CARGO DOOR LOWER AFT STOP FITTING IS CHAFED. REPAIRED IAW DHC-8 200 AMM 52-30-00, PAGES 507-508, PARAGRAPH 3C.

Part: SKIN — DAMAGED (LT WING) · airframe 9,740 hrs · 13,623 cycles

PDX - LT WING UPPER SKIN HAS 1/2 X 1/4 INCH SCUFF DAMAGE NEXT TO FORWARD EDGE OF APERTURE FOR PANEL 522AT. REPAIRED IAW DHC-8 SRM 57-10-11 AMD SR, 51-20-11.

Part: LINE — CHAFED (OIL COOLER) · airframe 9,740 hrs · 13,623 cycles

PDX - BRAIDED DRAIN LINE HAS A DIME SIZED CHAFE THROUGH BRAID WHERE IT HAS CONTACTED OIL COOLER LINE. REPLACED IAW MM 20-06-03.

Part: STRUCTURE — CHAFED (LT NACELLE) · airframe 9,740 hrs · 13,623 cycles

PDX - TWO CHAFED AREAS IN THE LEFT FORWARD CORNER OF THE NR 1 NACELLE. REPAIRED IAW HORIZON AIR EA 2-54-156.

Part: DRAG STRUT — CHAFED (NACELLE MLGWW) · airframe 9,740 hrs · 13,623 cycles

PDX - THERE ARE TWO CHAFE MARKS ON HEAVY STRUCTURE IN NR 2 WHEEL WELL FORWARD SECTION ABOVE INBOARD V LOBE OF DRAG STRUT. REPAIRED IAW DHC-8 SRM 51-20-51 AND HORIZON AIR EA 2-54-156.

Part: THRESHOLD — GOUGED (CARGO BAY) · airframe 9,740 hrs · 13,623 cycles

PDX - GOUGE AT CARGO DOOR THRESHOLD FLOOR SUPPORT ANGLE, X5540., Y38L, Z98.5. REPARIED IAW DHC-8 200 SRM 51-20-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RT INBOARD SEAT TRACK NR 8 TOP CORROSION IN SEAT ATTACH AREA AT APPROXIMATELY X487.00.. REPAIRED IAW DHC-8 SRM 51-20-36, PAGES 1-10.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 11 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X500.00. REPAIRED IAW DHC-8 RD 8-53-1342, SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND INBOARD SEAT TRACK NR 8 BOTTOM CHAFED BY TRACK COVER AT APPROXIMATELY X510.00. REPAIRED IAW DHC-8 SRM 51-20-36, PAGES 1-10.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RT INBOARD SEAT TRACK HAS NUMEROUS DISCREPANCIES. REPLACED NR 9 SEAT TRACK IAW DHC-8 SRM 51-40-11 AND RD 8-53-4472.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RT INBOARD SEAT TRACK NR 8 BOTTOM CHAFING BY FLOOR TRIM AT APPROXIMATELY X445.00. REPAIRED IAW DHC-8 SRM 51-20-36, PAGES 1-10.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RT INBOARD SEAT TRACK NR 8 INBOARD FLANGE CHAFED AT APPROXIMATELY X462.00. REPAIRED IAW DHC-8 SRM 51-20-36, PAGES 1-10.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RT OUTBOARD SEAT TRACK NR 12, TOP, GOUGES IN SEAT ATTACH AREA AT APPROXIMATELY X531.00. REPAIRED IAW DHC-8 SRM 51-00-06 AND SRM 51-20-36 PAGES 1-10.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - CORROSION AROUND TWO RIVETS BETWEEN SEAT RAILS AFT RT FLOOR SUPPORT CLOSING ANGLE AT APPROXIMATELY X597.00. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36, PAGES 1-10.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - BROKEN STANDOFF ANGLE HAS WORN A GROOVE INTO AIRCRAFT SKIN AT X453.0, Z166.0 BELOW FORWARD FIRE BOTTLE AFT SQUIB. REPAIRED IAW HORIZON AEA 2-53-436, PSM 1-82-3, CHAPTER 51-20-46, PAGES 1-5.

Part: ANGLE — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - X212, Y17L, Z100 ANGLE HAS CORROSION. REPAIRED IAW DHC-8 SRM 51-40-00 AND SRM 51-40-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 11 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X487.00. REPAIRED IAW DHC-8 RD 8-53-1342, SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RT INBOARD SEAT TRACK NR 8 BOTTOM GOUGES IN SEAT ATTACH AREA AT APPROXIMATELY X438.00. REPAIRED IAW DHC-8 SRM 51-20-36, PAGES 1-10.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK NR 3 BOTTOM CHAFED IN SEAT ATTACH AREA AT X541.00. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK NR 2 TOP CORROSION IN SEAT ATTACH AREA AT X500.00. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK NR 3 TOP CORROSION IN SEAT ATTACH AREA AT X531.00. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RT INBOARD SEAT TRACK NR 8 BOTTOM CORROSION IN SEAT ATTACH AREA AT APPROXIMATELY X500.00. REPAIRED IAW DHC-8 SRM 51-20-36, PAGES 1-10.

Part: CLAMP — BROKEN (FIRE BOTTLE DISC) · airframe 9,740 hrs · 13,623 cycles

PDX - FIRE BOTTLE YELLOW BLOW OUT DISC INDICATOR LINE HAS A BROKEN CLAMP STAND OFF, LOCATED BLEOW FORWARD FIRE BOTTLE. REPLACED IAW HORIZON AIR EA 2-52-436 AND DHC-8 SRM 51-40-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 11 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X438.00. REPAIRED IAW DHC-8 RD 8-53-1342, SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RT OUTBOARD SEAT TRACK NR 12, TOP AND BOTTOM HAS CORROSION IN SEAT ATTACH AREA AT APPROXIMATELY X541.00. REPAIRED IAW RD 8-53-3644 AND SRM 51-20-36, PAGES 1-10.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK NR 2 TOP CORROSION IN SEAT ATTACH AREA AT X455.00. REPAIRED IAW DHC-8 SRM 51-20-16, AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK NR 2 TOP CORROSION IN THE SEAT ATTACH AREA AT X487.00. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - GOUGE IN NEW NR 9 SEAT TRACK AT APPROXIMATELY STATION X598.0. REPAIRED IAW DHC-8 SRM 51-20-80, PAGES 1-2 AND PSM 1, CHAPTER 5.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RT INBOARD SEAT TRACK NR 8 CHAFED 12 INCHES BY TRACK COVER AT APPROXIMATELY X475.00. REPAIRED IAW DHC-8 SRM 51-20-36. PAGES 1-10.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - CORROSION AFT FLOOR SUPPORT, LEFT HAND CLOSING ANGLE AROUND N/P AND RIVET BETWEEN SEAT TRACK RAILS AT APPROXIMATELY X597.00. REPAIRED IAW DHC-8 SRM 51-20-11, SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK NR 2 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X438.00. REPAIRED IAW DHC-8 SRM 51-20-16, AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 11 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X455.00. REPAIRED IAW DHC-8 RD 8-53-1342, SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 12 TOP AND BOTTOM GOUGES IN SEAT ATTACH AREA AT X518.00. REPAIRED IAW DHC-8 RD 8-53-3644, SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK NR 3 TOP CORROSION IN SEAT ATTACH AREA AT X518.00. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RT INBOARD SEAT TRACK NR 8 TOP AND BOTTOM HAS CORROSION IN SEAT ATTACH AREA AT APPROXIMATELY X469.00. REPAIRED IAW DHC-8 SRM 51-20-36, PAGES 1-10.

Part: SEAT TRACK — GOUGED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK NR 2 GOUGES TOP AND BOTTOM IN SEAT ATTACH AREA AT X469.00. REPAIRED IAW DHC-8 SRM 51-20-16 AND SRM 51-20-36.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 11 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X469.00. REPAIRED IAW DHC-8 RD 8-53-1352, SRM 51-20-16 AND SRM 51-20-36.

Part: RIVET — FRACTURED (NR 9 SEAT TRACK) · airframe 9,740 hrs · 13,623 cycles

PDX - NEW RIVET IN NR 9 SEAT TRACK HAS FRACTURED BUCKTAIL AT APPROXIMATELY X598.0. REPAIRED IAW DHC-8 SRM 51-40-00, PAGE 1.

Part: FLAP TRACK — CORRODED (T/E FLAP) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND NR 4 FLAP TRACK INBOARD SURFACE IS PITTED, CONCENTRATED ON FORWARD 4 INCHES OF TRAVEL. REPAIRED IAW HORIZON AIR EA 2-57-199.

Part: FLAP TRACK — CORRODED (WING) · airframe 9,740 hrs · 13,623 cycles

PDX - RT NR 4 FLAP TRACK HAS PITTED CORROSION ON OUTBOARD SURFACE. REPAIRED IAW HORIZON AIR EA 2-57-198.

Part: FLAP TRACK — CORRODED (WING) · airframe 9,740 hrs · 13,623 cycles

PDX - LT NR 4 FLAP TRACK OUTBOARD SURFACE "E" HAS SMALL PITS ALONG BEARING RUN WEAR MARK. REPAIRED IAW HORIZON AIR EA 2-57-199.

Part: ANGLE — BENT (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - BACK UP ANGLE AFT OF LOWER TCAS APERTURE IS BENT. REPLACED BENT ANGLE IAW DHC-8-200 SRM 51-40-11.

Part: ANTENNA — CORRODED (ATC SYSTEM) · airframe 9,740 hrs · 13,623 cycles

PDX - LIGHT SURFACE CORROSION ON FUSELAGE BELOW ATC ANTENNA. REPAIRED IAW DHC-8 SRM 51-20-16. AND SRM 51-20-11.

Part: FLAP TRACK — WORN (WING) · airframe 9,740 hrs · 13,623 cycles

PDX - LT NR 5 FLAP TRACK OUTBOARD SURFACE "E" HAS SMALL PITS ALONG BEARING RUN WEAR MARKS. REPAIRED IAW HORIZON AIR EA 2-57-200.

Part: FLAP TRACK — CORRODED (RT WING) · airframe 9,740 hrs · 13,623 cycles

PDX - RT NR 4 FLAP TRACK HAS PITTED CORROSION ON INBOARD SURFACE. REPAIRED IAW HORIZON AIR EA 2-57-198.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - SEAT TRACK NR 4 HAS NUMEROUS DISCREPANCIES. REPLACED NR 4 SEAT TRACK IAW DHC-8 SRM 51-40-11 AND RD 8-53-1102.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - SEAT TRACK NR 1 HAS NUMEROUS DISCREPANCIES. REPLACED NR 1 SEAT TRACK IAW DHC-8 SRM 51-40-00.

Part: FRAME — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RT FRAME IS CHAFED AT STATION X636.0 AT FLOOR LEVEL. REPAIRED IAW DHC-8 SRM 51-40-11 AND HORIZON AIR EA 2-53-435.

Part: FRAME — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RT FRAME CHAFED AT X636.0 ABOVE FLOOR LEVEL. REPAIRED IAW DHC-8 SRM 51-40-11.

Part: FLOOR PANEL — CORRODED (CARGO FLOOR) · airframe 9,740 hrs · 13,623 cycles

PDX - CORROSION AT NUTPLATE, X546 BELOW CARGO FLOOR DECK. REPAIRED IAW DHC-8 SRM 51-40-11.

Part: RIVET — MISSING (ESCAPE HATCH) · airframe 9,740 hrs · 13,623 cycles

PDX - TWO RIVETS ARE MISSING FROM INSIDE CORNER BRACKET FOR COCKPIT ESCAPE HATCH STRUCTURE. REPLACED RIVETS IAW DHC-8 SRM 51-40-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - SEAT TRACK NR 7 HAS NUMEROUS DISCREPANCIES. REPLACED NR 7 SEAT TRACK IAW DHC-8 SRM 51-40-11.

Part: CLIP — BROKEN (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LT OUTBOARD NR 1 SEAT TRACK SUPPORT CLIPS ARE BROKEN AT X333.3 AND 312.3. REPLACED IAW HORIZON AIR EA 2-53-431 AND DHC-8 SRM 51-40-11.

Part: FRAME — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - FRETTING CORROSION AT CHAFED FRAME X651.0, Y28.0L, Z113.5. REPAIRED IAW DHC-8200 SRM 51-20-11.

Part: ANGLE — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LAV ANGLE AT X237 TO X239, Z104, Y42R HAS CORROSION SPOTS. REPAIRED IAW DHC-8 SRM 51-20-46, SRM 51-20-51, AND SRM 51-20-11.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - SEAT TRACK NR 6 CORRODED. REPLACED SEAT TRACK IAW DHC-8 SRM 51-40-00 AND SRM 51-40-11.

Part: GUIDE — WORN (CABIN DOOR) · airframe 9,740 hrs · 13,623 cycles

PDX - MAIN CABIN DOOR AFT TOP STOP GUIDE WORN. INSTALLED NEW MAIN CABIN DOOR STOP GUIDE.

Part: GUIDE — WORN (CABIN DOOR) · airframe 9,740 hrs · 13,623 cycles

PDX - MAIN CABIN DOOR FORWARD TOP STOP GUIDE IS WORN. INSTALLED NEW MAIN CABIN DOOR GUIDE.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - SEAT TRACK NR 10 CORRODED. REPLACED NR 10 SEAT TRACK IAW DHC-8 SRM 51-40-00 AND SRM 51-40-11.

Part: STOP — CHAFED (CARGO DOOR) · airframe 9,740 hrs · 13,623 cycles

PDX - FRAME CHAFED AT UPPER CARGO DOOR STOPS STATION X520.5 AND X564.5 OF Z161.0. REPAIRED IAW RD 8-53-5461.

Part: STRUCTURE — CHAFED (NACELLE) · airframe 9,740 hrs · 13,623 cycles

PDX - NACELLE STRUCTURE HAS BEEN CHAFED BY DOOR HINGE ARM AND BONDING BOLT IN NR 2 WHEEL WELL FORWARD COOR AREA. REPAIRED IAW DHC-8 SRM 51-40-00 AND SRM 51-40-11.

Part: STIFFENER — GOUGED (WING) · airframe 9,740 hrs · 13,623 cycles

PDX - GOUGE AND POSSIBLE CRACK ON RT CONTROL CABLE PULLEY BRACKET STIFFNER AFT OF RT BLEED AIR LINE SHROUD COUPLING UNDER PANEL 261JT, STATION X381. REPAIRED IAW DHC-8 SRM 51-20-11 AND MM 20-32-02, TASKJ 20-32-02-390-801 AND MM TASK 20-34-08-400-801.

Part: SPAR — CHAFED (RT WING) · airframe 9,740 hrs · 13,623 cycles

PDX - RT INBOARD LOWER WING SPAR IS CHAFED APPROXIMATELY YW56.000. REPAIRED IAW DHC-8 SRM 51-40-11 AND RD 8-51-811.

Part: ANTENNA — CORRODED (TCAS SYS) · airframe 9,740 hrs · 13,623 cycles

PDX - LIGHT CORROSION ON FUSELAGE UNDER UPPER TCAS ANTENNA. REPAIRED IAW CORROSION PREVENTION MANUAL, CHAPTER 4, PARAGRAPH 8A AND B.

Part: PANEL — GOUGED (LT WING) · airframe 9,740 hrs · 13,623 cycles

PDX - LT WING TOP PANEL 532AT APERTURE FLANGE GOUGED. REPAIRED IAW DHC-8 SRM 51-20-36.

Part: SKIN — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LIGHT CORROSION AROUND ANTENNA MOUNTING HOLES AT LOWER TCAS ANTENNA ON FUSELAGE. REPAIRED IAW DHC-8 200 SRM 51-20-16.

Part: SKIN — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LOWER TCAS APERTURE SKIN HAS CORROSION. REPAIRED IAW DHC-8 200 SRM 51-20-16.

Part: RIVET — DAMAGED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIVET HEADS AROUND UPPER TCAS ANTENNA MOUNT BASE HAVE BLENDING DAMAGE DURING CORROSION REMOVAL. REPLACED IAW DHC-8-200 SRM 51-40-11.

Part: PLATE — GOUGED (VERTICAL STAB) · airframe 9,740 hrs · 13,623 cycles

PDX - VERT STAB GOUGE IN LADDER PLATE, RIGHT HAND SIDE, LEADING EDGE. REPAIRED IAW DHC-8 RD 8-55-584.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 6 CORROSION AROUND INBOARD NUT PLATE AT X580.00. REPLACED NR 6 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 OUTBOARD FLANGE CORROSION AROUND FASTENER RECEPTACLE AT APPROXIMATELY X240.00. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK NR 1 TOP CORROSION IN SEAT ATTACH AREA AT X328.00. REPLACED NR 1 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK NR 1 TOP CORROSION IN SEAT ATTACH AREA AT X393.00. REPLACED NR 1 SEAT TRACK.

Part: SPAR — CHAFED (LT WING) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD WING FRONT SPAR BOTTOM FLANGE CHAFED AT INBOARD END FROM CONTACT WITH LEADING EDGE AT YW50.0. REPAIRED IAW RD 8-57-2054.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK NR 1 AT TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X377.00. REPLACED NR 1 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 OUTBOARD FLANGE CORROSION AROUND TWO FASTENER RECEPTACLES AT APPROXIMATELY X252.00. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND INBOARD SEAT TRACK NR 7 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT APPROXIMATELY X312.00. REPLACED SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 TOP CORROSION IN SEAT ATTACH AREA AT APPROXIMATELY X38.00. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 5 APPROXIMATELY 12 INCHES OF BOTTOM CHAFED BY FLOOR TRIM AT X445.00. REPLACED NR 5 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA APPROXIMATELY X267.00. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK NR 1 TOP CORROSION IN SEAT ATTACH AREA AT 424.00. REPLACED NR 1 SEAT TRACK.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND INBOARD SEAT TRACK NR 7 BOTTOM CHAFED APPROXIMATELY 12 INCHES BY TRACK COVER AT APPROXIMATELY X291.00. REPLACED SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK NR 1 TOP CORROSION IN SEAT ATTACH AREA AT X298.00. REPLACED NR 1 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK NR 1 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X407.00. REPLACED NR 1 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 10 TOP CORROSION IN SEAT ATTACH AREA AT X424.00. REPLACED NR 10 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 10 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X343.00. REPLACED NR 10 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 10 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X377.00. REPLACED NR 10 SEAT TRACK.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 BOTTOM CHAFED APPROXIMATELY 12 INCHES AT TRACK COVER, APPROXIMATELY X418.00. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 CORROSION ON TOP IN AREA OF SEAT ATTACH AT APPROXIMATELY X298.00. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 OUTBOARD FLANGE CORROSION AROUND FASTENER RECEPTACLE AT APPROXIMATELY X228.00. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 6 CORROSION AROUND INBOARD NUT PLATE AT X548.00. REPLACED NR 6 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 10 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X280.00. REPLACED SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK NR 1 TOP CORROSION IN SEAT ATTACH AREA AT X266.00. REPLACED NR 1 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 OUTBOARD FLANGE CORROSION AROUND RIVETS FROM X201.00 TO X222.00. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — DAMAGED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND INBOARD SEAT TRACK NR 7 DRIP FACE RECEPTACLE HOLE DAMAGED PIECES BROKEN OUT AT X312.00. REPLACED NR 7 SEAT TRACK.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 7 BOTTOM CHAFED APPROXIMATELY 12 INCHES BY TRACK COVER AT X418.00. REPLACED SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND INBOARD SEAT TRACK NR 9 INBOARD FLANGE CORROSION AT X530.00. REPLACED NR 9 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 OUTBOARD FLANGE CORROSION AROUND TWO FASTENER RECEPTACLES AT X312. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 OUTBOARD FLANGE CORROSION AROUND FASTENER RECEPTACLE, APPROXIMATELY X285.00. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 10 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X312.00. REPLACED NR 10 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 10 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X363.00. REPLACED NR 10 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 AFT OUTBOARD END CORRODED AROUND 7 RIVETS AND RECEPTACLE AT APPROXIMATELY X418.00. DAMAGE FOUND TO BE OUT OF LIMITS IAW RD 8-53-1339. REPLACED SEAT TRACK.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 BOTTOM CHAFED APPROXIMATELY 12 INCHES AT TRACK COVER, APPROXIMATELY X387.00. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 CORROSION IN TOP AND BOTTOM AT SEAT ATTACH AREA APPROXIMATELY X280.00. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND INBOARD SEAT TRACK NR 7 BOTTOM CHAFED APPROXIMATELY 12 INCHES BY TRACK COVER, AT APPROXIMATELY X322.00

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 6 CORROSION AROUND INBOARD NUT PLATE AT X565.00. REPLACED NR 6 SEAT TRACK.

Part: ARM — EXCESS PLAY (NLG) · airframe 9,740 hrs · 13,623 cycles

PDX - NOSE GEAR TRAILING ARM HAS RADIAL PLAY AT ATTACH POINT. REPAIRED IAW DOWTY CMM CHAPTER 32-20-01.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 OUTBOARD FLANGE CORROSION AROUND FASTENER RECEPTACLE, APPROXIMATELY X297.00. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 OUTBOARD FLANGE CORROSION AROUND FASTENER RECEPTACLE AT APPROXIMATELY X270.00. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK NR 1 TOP CORROSION IN SEAT ATTACH AREA AT X343.00. REPLACED NR 1 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 10 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X328.00. REPLACED NR 10 SEAT TRACK.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND INBOARD SEAT TRACK NR 7 BOTTOM CHAFED APPROXIMATELY 12 INCHES BY TRACK COVER AT X354.00. REPLACED SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 6 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X541.00. REPLACED NR 6 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 10 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X266.00 TO FORWARD END. REPLACED NR 10 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND INBOARD SEAT TRACK NR 7 BOTTOM CORROSION IN SEAT ATTACH AREA AT APPROXIMATELY X270.00. REPLACED SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 BRACKET ON OUTBOARD FLANGE CORRODED FROM X201.00 TO X222.00. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 5 FORWARD OUTBOARD FLANGE CORROSION AROUND EIGHT RIVETS AT X426. REPLACED NR 5 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK NR 1 TOP CORROSION IN SEAT ATTACH AREA AT X312.00. REPLACED NR 1 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 5 BOTTOM CORROSION AT SEAT ATTACH AREA APPROXIMATELY X469.00. REPLACED NR 5 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND INBOARD SEAT TRACK NR 7 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT APPROXIMATELY X298.00. REPLACED SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK NR 1 TOP CORROSION IN SEAT ATTACH AREA FROM X363.00 TO X377.00. REPLACED NR 1 SEAT TRACK.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND INBOARD SEAT TRACK NR 7 CHAFED APPROXIMATELY 12 INCHES BY TRACK COVER AT X387.00. REPLACED SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND INBOARD SEAT TRACK NR 7 CORROSION IN SEAT ATTACH AREA APPROXIMATELY X328.00. REPLACED SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 OUTBOARD FLANGE CORROSION AT X198.00. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 5 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X518.00. REPLACED NR 5 SEAT TRACK.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 5 BOTTOM CHAFED APPROXIMATELY 12 INCHES BY FLOOR TRIM AT X510.00. REPLACED NR 5 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 5 TOP CORROSION APPROXIMATELY 12 INCHES AT X488.00. REPLACED NR 5 SEAT TRACK.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 5 BOTTOM CHAFED APPROXIMATELY 12 INCHES BY FLOOR TRIM AT X475.00. REPLACED NR 5 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND INBOARD SEAT TRACK NR 7 BOTTOM CORROSION IN SEAT ATTACH AREA AT APPROXIMATELY X280.00. REPLACED SEAT TRACK.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 BOTTOM CHAFED APPROXIMATELY 12 INCHES BY TRACK COVER AT APPROXIMATELY X354.00. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 TOP AND BOTTOM CORROSION IN AREA OF SEAT ATTACH AT APPROXIMATELY X343.00. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 BOTTOM CHAFED APPROXIMATELY 12 INCHES BY TRACK COVER AT APPROXIMATELY X322.00. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 4 CORROSION TOP AND BOTTOM OF SEAT ATTACH AREA AT APPROXIMATELY X312.00. REPLACED NR 4 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 10 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X407.00. REPLACED NR 10 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 10 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X393.00. REPLACED NR 10 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND OUTBOARD SEAT TRACK NR 10 TOP AND BOTTOM CORROSION IN SEAT ATTACH AREA AT X298.00. REPLACED NR 10 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 6 CORROSION AROUND INBOARD NUT PLATE AT X580.00. REPLACED NR 6 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND INBOARD SEAT TRACK NR 6 CORROSION AROUND OUTBOARD NUT PLATE AT X591.00. REPLACED NR 6 SEAT TRACK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND OUTBOARD SEAT TRACK NR 1 TOP CORROSION IN SEAT ATTACH AREA AT X280.00. REPLACED NR 1 SEAT TRACK.

Part: SEAT TRACK — CHAFED (FUSELAGE) · airframe 9,740 hrs · 13,623 cycles

PDX- LEFT HAND INBOARD SEAT TRACK NR 4 BOTTOM CHAFED APPROXIMATELY 12 INCHES BY TRACK COVER AT X291.00. REPLACED SEAT TRACK.

Part: BRACKET — CRACKED (LT WING) · airframe 9,740 hrs · 13,623 cycles

PDX - LEFT HAND LEADING EDGE 511AL MOUNTING BRACKETS CRACKED, TOP AND BOTTOM. REPAIRED IAW DHC-8 MM 51-11-00.

Part: BRACKET — CRACKED (RT WING) · airframe 9,740 hrs · 13,623 cycles

PDX - RIGHT HAND LEADING EDGE 611AR MOUNTING BRACKETS CRACKED AT TOP AND BOTTOM. REPAIRED IAW D8 MM 51-11-00.

Part: POST — OUT OF ADJUST (AUTOFEATHER SYS) · airframe 8,680 hrs · 12,059 cycles

MFR - ABORTED TAKEOFF AUTO FEATHER ARM FUNCTION INOP. ADJUSTED POST AND PERFORMED AUTO FEATHER OPERATIONAL CHECK. OPERATION CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: WIRE — BROKEN (CABIN) · airframe 5,128 hrs · 7,046 cycles

YXX- BROKEN WIRE AT EMERGENCY TRACK LIGHTING AT CONNECTORS ON BOARD 143AZ. REPAIRED IAW DHC-8 SRM 33-51-11, PAGE 403.

Part: FAIRING — DAMAGED (WING ROOT) · airframe 5,128 hrs · 7,046 cycles

YXX- LEFT HAND FORWARD ROOT FAIRING HAS IMPACT DAMAGE. REPAIRED IAW DHC-8 RD8-53-699 AND HORIZON AIR EA 2-53-214.

Part: STRAP — DAMAGED (CARGO DOOR SILL) · airframe 5,128 hrs · 7,046 cycles

YXX- UPPER CARGO DOOR SILL STRAPS DAMAGED. REPAIRED IAW DHC-8 SRM 51-20-00, PAGE 5, AND RD8-53-5395, AND HORIZON AIR EA 2-53-215.

Part: SKIN — SCRATCHED (FUSELAGE) · airframe 5,128 hrs · 7,046 cycles

YXX- SCRATCH AT FUSELAGE EXTERIOR RIGHT HAND SIDE AT X176 AND Y10. REPAIRED IAW DHC-8 RD8-53-5390 AND SRM 51-20-16.

Part: SKIN — DENTED (FUSELAGE) · airframe 5,128 hrs · 7,046 cycles

YXX- DENT ON LEFT HAND FUSELAGE SKIN STATION 305 BELOW STRINGER 8L UNDER ICE SHIELD. REPAIRED IAW DHC-8 RD8-53-5389, AND HORIZON AIR EA 2-53-206.

Part: SKIN — DENTED (FUSELAGE) · airframe 5,128 hrs · 7,146 cycles

YXX- DENT IN UPPER FUSELAGE SKIN AT X314 AND STRINGER 4 LEFT HAND SIDE. REPAIRED IAW DHC-8 SRM 51-00-06, AND RD8-53-5384, AND HORIZON AIR EA 2-53-209.

Part: SKIN — DENTED (FUSELAGE) · airframe 5,128 hrs · 7,046 cycles

YXX- TWO DENTS IN LOWER RIGHT HAND FORWARD FUSELAGE SKIN JUST BELOW LAV SERVICE DOOR, CAUSED FROM LATCHES ON LAV SERVICE DOOR. REPAIRED IAW DHC-8 SRM 51-20-16, PAGE 1-5, AND SRM 51-20-51, PAGE 1-7, AND RD8-53-5384.

Part: SKIN — SCRATCHED (FUSELAGE) · airframe 5,128 hrs · 7,046 cycles

YXX- SRATCH AT FUSELAGE EXTERIOR LEFT HAND SIDE AT X123 AND Y8. REPAIRED IAW DHC-8 SRM 51-00-06 AND SRM 51-00-05, AND RD8-53-5391.

Part: SEAT TRACK — CORRODED (CABIN) · airframe 5,128 hrs · 7,046 cycles

YXX- RIGHT HAND INBOARD FORWARD SEAT TRACK FOUND CORRODED BETWEEN STATION X182.00 AND X240.60. REPAIRED IAW DHC-8 SRM 51-40-11, PAGE 1-4, AND RD8-53-3074, AND SRM 51-40-00, PAGE 4.

Part: SEAT TRACK — CORRODED (CABIN) · airframe 5,128 hrs · 7,046 cycles

YXX- LEFT HAND INBOARD SEAT TRACK FOUND TO HAVE MECHANICAL AND CORROSION DAMAGE. REPAIRED IAW DHC-8 SRM 51-40-11, PAGE 1, AND SRM 51-40-00, PAGE 4.

Part: SEAT TRACK — CORRODED (CABIN) · airframe 5,128 hrs · 7,046 cycles

YXX- RIGHT HAND INBOARD SEAT TRACK FOUND CORRODED AT STATION X596 AND X599 IN FORWARD BAG PIT. REPAIRED IAW DHC-8 SRM 51-20-36, AND RD8-83-4936.

Part: ANGLE — CRACKED (LT WING) · airframe 5,128 hrs · 7,046 cycles

YXX- LEFT HAND WING YW139 ANGLE BETWEEN FORWARD SPAR AND NACELLE HAS EVIDENCE OF CRACKING AT TOP OF ANGLE. REPAIRED IAW DHC-8 SRM 51-20-00, PAGE 4 AND SRM 51-40-11, PAGE 1-6.

Part: FAIRING — CHAFED (WING TO BODY) · airframe 5,128 hrs · 7,046 cycles

YXX- FORWARD WING TO FUSELAGE FAIRING STATION X370.8 WEB HAS MINOR CHAFE DAMAGE. REPAIRED IAW DHC-8 SRM 51-40-11, PAGE 1-4, AND RD8-53-5163.

Part: SKIN — SCRATCHED (FUSELAGE) · airframe 5,128 hrs · 7,046 cycles

YXX- SCRATCH AT FUSELAGE EXTERIOR LEFT HAND SIDE AT X152 AND Y5. REPAIRED IAW DHC-8 SRM 53-00-16, AND SRM 51-20-26, PAGE 2, AND SRM 51-20-11, PAGE 8.

Part: DOOR FRAME — DAMAGED (EMERGENCY EXIT) · airframe 5,128 hrs · 7,046 cycles

YXX- RIGHT HAND EMERGENCY EXIT CUTOUT FRAME AT STATION X264.10 HAS AREAS OF DAMAGE AT S11 AND S21. REPAIRED IAW DHC-8 SRM 51-20-11, PAGE 7, AND SRM 51-20-00, PAGE 5.

Part: SPAR — TOOL DAMAGE (WING) · airframe 5,128 hrs · 7,046 cycles

YXX- TOOLING DAMAGE FOUND ON FORWARD SPAR UPPER TANG. REPAIRED IAW DHC-8 RD8-57-1675.

Part: SKIN — DAMAGED (RUDDER) · airframe 5,128 hrs · 7,046 cycles

YXX- VERTICAL STABILIZER SHROUD AND RUDDER SKIN DAMAGED ON RIGHT HAND SIDE AT RIB 12. REPAIRED IAW DHC-8 SRM 51-40-11, PAGE 1-4, SRM 51-40-00, PAGE 1-6, AND SRM 55-40-28.

Part: FITTING — GOUGED (RUDDER) · airframe 5,128 hrs · 7,046 cycles

YXX- TRAILING RUDDER UPPER RADIUS ROD FITTING UPPER LUG GOUGED ON LOWER FACE. REPAIRED IAW DHC-8 RD8-55-132.

Part: FITTING — CHAFED (RUDDER) · airframe 5,128 hrs · 7,046 cycles

YXX- VERTICAL STABILIZER UPPER CENTER RUDDER HINGE LOWER LUG CHAFED AROUND HOLE ON UPPER FACE. REPAIRED IAW DHC-8 RD8-55-350.

Part: PANEL — CORRODED (FUSELAGE) · airframe 5,128 hrs · 7,046 cycles

YXX- FRETTING CORROSION FOUND IN A COUNTERSINKS ON STRESS PANEL 521AT. REPAIRED IAW DHC-8 SRM 51-20-31, AND SRM 51-20-16, PAGE 1-6.

Part: ROD — GOUGED (RUDDER) · airframe 5,128 hrs · 7,046 cycles

YXX- TRAILING RUDDER LOWER RADIUS ROD FITTING UPPER LUG GOUGED ON LOWER FACE. REPAIRED IAW DHC-8 RD8-55-132.

Part: FITTING — CHAFED (RUDDER) · airframe 5,128 hrs · 7,046 cycles

YXX- VERTICAL STABILIZER CENTER RUDDER HINGE LOWER LUG CHAFED AROUND HOLE ON UPPER FACE. REPAIRED IAW DHC-8 RD8-55-350.

Part: FLOOR PANEL — CORRODED (CARGO BAY) · airframe 5,128 hrs · 7,046 cycles

YXX- FORWARD BAGGAGE FLOOR STRUCTURE HAS MINOR SURFACE CORROSION AT X597 AND Y22 LEFT HAND SIDE. REPAIRED IAW DHC-8 SRM 51-20-11, PAGE 7, AND SRM 51-20-00, PAGE 5.

Part: SMOKE DETECTOR — MALFUNCTIONED (CARGO BAY) · airframe 4,258 hrs · 5,861 cycles

LWS- MASTER WARNING SMOKE LIGHT CAME ON TWICE IN FLIGHT. NO EVIDENCE OF SMOKE UPON LANDING. AIRCRAFT RETURNED TO FIELD WITHOUT INCIDENT. REMOVED AND REPLACED CEILING SMOKE DETECTOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: RECEPTACLE — CRACKED (EXTERNAL POWER) · airframe 4,069 hrs · 5,590 cycles

SEA- NR 2 GCU FAILURE ON ENGINE START. START CONTINUED NORMALLY BUT RAMP PERSONNEL REPORTED SMOKE FROM GPU RECEPTICAL. INSPECTED AND FOUND BACKSIDE OF EXTERNAL POWER PLUG ASSEMBLY CRACKED. REPAIRED RECEPTICAL. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — INOPERATIVE (CABIN) · airframe 3,725 hrs · 5,114 cycles

SEA-EGRESS LIGHT, RIGHT/AFT INOP. REPLACED BATTERY PACK AND POWER SUPPLY AT SEAT 2AB, CEILING LEFT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: SMOKE DETECTOR — MALFUNCTIONED (LAVATORY) · airframe 3,671 hrs · 5,037 cycles

SEA - FIRE DETECTION SYSTEM IN BATHROOM SOUNDS OCCASIONALLY. APPEREARS TO BE ASSOCIATED WITH BUMPS OR RAPID AIRCRAFT MOVEMENTS. REPLACED LAVATORY SMOKE DETECTOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: TSEU — MALFUNCTION (NR 2 ENGINE)

BOI- AFTER TAKEOFF, THE AUTOFEATHER ARM LIGHT ILLUMINATED. CHECKED AGAIN AFTER LANDING AND THE AUTOFEATHER WILL NOT ARM. REPLACED THE NR 2 TORQUE SIGINAL CONDITIONER (TSEU). OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.