N453QX

Part: WARNING LIGHT — ILLUMINATED · airframe 15,767 hrs · 16,994 cycles

BLLED HOT #1 AND #2 CAUTIONS ILLUMINATED ON TAKEOFF AROUND 30 KTS. TAKEOFF ABORTED, RAN CHECKLIST AND CAUTION LIGHTS EXTINGUISHED. RETURNED TO GATE. REMOVED FROM SERVICE. INTERROGATED CDS, NO CORRELATED FAULTS NOTED. PERFORMED FIM REF Q400 FIM 36-20-00-810-805 STEPS 1-3. OPS CHECK GOOD. CAUTION LIGHT DID NOT ILLUMINATE. NO FAULTS RETURNED. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.

Part: NONE — NONE · airframe 13,829 hrs · 14,861 cycles

FLIGHT DECK DOOR DIFFICULT TO OPEN AND CLOSE. REMOVED FROM SERVICE. CLEANED AND LUBED COCKPIT DOOR LATCH, OP CHECKS GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: UPLOCK — DAMAGED (LT MLG) · airframe 13,579 hrs · 14,584 cycles

AFTER TAKEOFF, LEFT MAIN LANDING GEAR INDICATED RED (USAFE), LEFT DOOR LIGHT WAS ON, AND LANDING GEAR HANDLE WAS ILLUMINATED. FLIGHT ATTENDANT SAID LEFT LANDING GEAR LOOKED RETRACTED BUT DOOR WAS OPEN. PERFORMED EMERGENCY CHECKLISTS AND LANDING GEAR EXTENDED APPROPRIATELY (ALTERNATE EXTENSION). DIVERTED AND ACCOMPLISHED UNEVENTFUL LANDING. REMOVED FROM SERVICE. PERFORMED SEVERAL MLG EXTENSION AND RETRACTION CYCLES AT FLOW RATES BETWEEN 5 AND 18 GPM. COULD NOT DUPLICATE THE DISCREPANCY. FOUND FAULT FINDINGS IN PSEU FAULT HISTORY. REF FIM 32-73-11-810-837, NO PRESENT FAULT, OPS CHECK OF WOW SYS GOOD REF. AMM 32-61-00-710-802. PROX SENSOR MH IS WITHIN LIMITATION. REF. W/O 304899, N/R - 00002 FOR REPLACEMENT PF L/H MLG UPLOCK ASSY. AND L/G OPERATIONAL CHECK. REF. W/O 304899, N/R-00005 FOR L/H MLG UPLOCK PROX. SENSOR INSTALLATION. RETURNED TO SERVICE.

Part: SHUTOFF VALVE — MALFUNCTIONED (ZONE 100) · airframe 11,685 hrs · 12,627 cycles

HAD TO ABORT TAKEOFF CAUSE AT 77 KTS THE NR 1 + NR 2 BLEED HOT LIGHT + CAUTION CAME ON. RAN NR 1 + NR 2 BLEED HOT CHECKLIST AND THE WENT OFF. DID NOT HAVE TO USE EXCESSIVE BRAKING. REMOVED FROM SERVICE. INTERROGATED CDS FOUND FAULTS: 3003-PACK FCV; 3001-PACK FCV ON LEFT CHANNEL; 3003-PACK FCV; 1007-RNAPRSOV RT CHANNEL FAULTS WOULD NOT CLEAR. REMOVED & REPLACED PACK INLET TEMP SENSOR, IAW Q400 AMM TASKS 21-52-11-000-801 AND 400-801. REMOVED & REPLACED PACK FLOW CONTROL SOV, IAW AMM TASKS 21-52-01-000-801 AND 400-801. ERASED FAULT CODES. RAN BOTH ENGINES FOR 15 MINUTES. C/W PACK FCV OPS TEST. OPS TEST GOOD, NO FAULTS OR CAUTIONS ILLUMINATED. LEAK CHECK C/W, NO LEAKS FOUND. RETURNED TO SERVICE.

Part: AHRS — MALFUNCTIONED (NR 2) · airframe 11,643 hrs · 12,584 cycles

AT CRUISE ELEVATOR FEEL MASTER CAUTION, AUTOPILOT DISENGAGED, AHRS2 FAILED. DIVERTED, LANDING UNEVENTFUL. REMOVED FROM SERVICE. INTERROGATED CDS, FOUND 'NO DATA FROM AHRS2' MESSAGE. REMOVED AND REPLACED #2 AHRS IAW MTC 6342101. C/W OPS TEST OF ELEVATOR CONTROL SYSTEM PER Q400 FIM 27-30-00-810-802. ELEVATOR FEEL LIGHT REMAINS EXTINGUISHED. DETERMINED AUTOPILOT DISENGAGE DUE TO FAILURE OF AHRS #2. AHRS 2 LLM RTS IAW MTC 6342101. AIRCRAFT REMAINS CAT III QUALIFIED. COCKPIT PLACARD READS CAT III. RETURNED TO SERVICE.

Part: WINDSHIELD — FAILED (COCKPIT) · airframe 11,610 hrs · 12,252 cycles

IN CRUISE CAPTAIN`S WINDSHIELD SHATTERED, PRESSURIZATION REMAINED NORMAL. WINDSHIELD REMAINED INTACT, DAMAGE SHOWS NO EVIDENCE OF BIRDSTRIKE. DIVERTED AND LANDING UNEVENTFUL. REMOVED FROM SERVICE. REPLACED CAPTAIN'S WINDSHIELD. RETURNED TO SERVICE.

Part: BUMPER — DETACHED (DOOR STOP) · airframe 11,318 hrs · 12,252 cycles

MCD STOP GUIDE BUMPER FELL OFF. REMOVED FROM SERVICE. REMOVED AND REPLACED BUMPER. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 11,195 hrs · 12,100 cycles

AFT PAX DOOR AND AFT SERVICE DOOR EMERGENCY EXIT LIGHTS DO NOT ILLUMINATE. R/R LH4 AND RH4 EPSU BATT PACKS REF Q400 AMM 33-51-00-820-801 OPS CHECK GOOD.

Part: CARPET — LOOSE (CABIN) · airframe 10,982 hrs · 11,844 cycles

CARPET IN FRONT OF ROW 1B IS LOOSE, CREATING A TRIPPING HAZARD. REMOVED FROM SERVICE. SECURED LOOSE CARPET AT 1B IAW MCN 3 625721-1 ISSUE NO:4 NO OTHER DEFECTS NOTED. RETURNED TO SERVICE.

Part: TIRE — RUPTURED (MLG) · airframe 10,897 hrs · 11,737 cycles

NR 1 MAIN TIRE RUPTURED DURING LANDING. REMOVED FROM SERVICE. C/W INSPECTION AFTER TIRE FAILURE IAW AMM 05-50-61-210-801. C/W GVI OF AXLE, NO DEFECTS NOTED. FOUND WHEEL BEARINGS INTACT W/ NO DEFECTS. R+R NR 1 AND NR 2 MLG TIRE/ WHEEL ASSY AND BRAKE ASSY IAW MTC'S 6324101 AND 6324201. RETURNED TO SERVICE.

Part: SWITCH — INOPERATIVE (EMERGENCY LIGHTS) · airframe 10,711 hrs · 11,523 cycles

WHEN AIRCRAFT POWER WAS TURNED OFF AFTER COMPLETION OF TOW EMERGENCY LIGHTS ILLUMINATED. VERIFIED EMERGENCY IT SWITCH WAS IN OFF POSITION. TURNED ON AIRCRAFT POWER. NOTICED EMERGENCY LTS DISARMED CAUTION LIGHT WAS NOT ILLUMINATED. TURNED FLIGHT DECK EMERGENCY LIGHT SWITCH FROM OFF TO ARMED TO ON THEN BACK TO OFF. CAUTION LIGHT DID NOT ILLUMINATE. CYCLED EMERGENCY LIGHT SWITCH ON WING BULKHEAD FROM NORM TO ON THEN BACK TO NORMAL. CAUTION LIGHT ILLUMINATED. TURNED OFF POWER. EMERGENCY LIGHTS REMAINED OFF. REPLACED EMERGENCY LIGHT SWITCH AND BODY MODULE ON WING BULKHEAD IAW DHC-8-400 MM TASK #S 33-51-05-000-801 PARAGRAPHS 1 THRU 4A STEP (3)Y AND 33-51-05-400-801 PARAGRAPHS 1, 2, 3, 4A STEPS (2) (3) & (4), AND PARAGRAPH 5. EMERGENCY LIGHT SYSTEM OPERATIONAL TEST GOOD SEVERAL TIMES IAW DHC-8-400 MM TASK 33-51-00-710-802. ALL INDICATIONS NORMAL DURING AND AFTER TESTS.

Part: RUDDER PEDAL — OBSTRUCTED · airframe 10,525 hrs · 11,312 cycles

THE FO SIDE RUDDER STICKS AND DOSE NOT HAVE FULL TRAVEL. TRIED AGAIN AFTER LANDING WITH THE SAME RESULTS. REMOVED FROM SERVICE. FOUND FO RUDDER PEDALS TO BE RUBBING ON SIDE CUTOUT OF RUDDER PEDAL COVER. UPON FURTHER INVESTIGATION, FOUND FLOOR SCREWS NOT TIGHTENED ALONG BOTH SIDES OF RUDDER PEDAL COVER LOWER SIDE PANELS. ALSO, NOTED THAT SOME OF THE SCREWS WERE TOO SHORT. TO FOM, REMOVED FO SEAT IAW Q400 AMM 25-11-01-000-801. FOUND COIN MAT HOLES TO BE OFF CENTER. REPAIRED AS NEEDED. NO FURTHER ACTION. AIRCRAFT RETURNED TO SERVICE.

Part: WARNING MESSAGE — FALSE ACTIVATION · airframe 10,487 hrs · 11,275 cycles

DURING ROTATION ON TAKE OFF TRANSIENT T/O WARNING HORN BEEPED 3 TIMES THEN WAS SILENT. T/O WARN TEST WAS NORMAL ON TAXI OUT AND ALL SYSTEMS WERE PROPERLY CONFIGURED. REMOVED FROM SERVICE. INTERROGATED CDS-NO ASSOCIATED FAULTS FOUND, INTERROGATED PSEU NO FAULTS FOUND ON LAST FLIGHT LEG. PERFORMED OPS CK OF TAKE-OFF WARNING SYSTEM PER AMM TAASK 31-52-00-720-801 OPS CK GOOD-NO HISTORY FOR AT LEAST 2 MONTHS-OK FOR CONTINUED SERVICE. NO PARTS REPLACED. RETURNED TO SERVICE.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 10,185 hrs · 10,904 cycles

FLAP POWER CAUTION ILLUMINATED WHEN SELECTING FROM FLAPS 15° TO 35°. CHECKLIST RESET DID NOT WORK. PERFORMED A GO-AROUND. LANDED WITHOUT INCIDENT WITH FLAPS AT 15. REMOVED FROM SERVICE. FOUND ECU CONTINUOUS BIT MSG IN CDS. REF FIM TASK 27-50-00-810-807. CLEARED CDS FAULT MSG AND REMOVED AND REPLACED FLAP CONTROL UNIT AS A PRECAUTIONARY MEASURE IAW AMM TASKS 27-51-01-000-801 AND 27-51-01-400-801. FUNCTIONAL TEST OF FLAP CONTROL SYSTEM GOOD IAW AMM 27-51-00-720-801. NO CDS MSGS OR CAUTIONS NOTED. A/C OKAY FOR CONTINUED SERVICE.

Part: GOVERNOR — INOPERATIVE (OVERSPEED) · airframe 9,633 hrs · 10,252 cycles

#1 ENG TORQUE OBSERVED @ 93% ON TAKE OFF FOLLOWED BY NR 1 PROP RPM OF 990 TO ACCELERATION HEIGHT TO CLIMB POWER. 900 RPM OBSERVED BOTH PROPS. REMOVED FROM SERVICE. REPLACED #1 OSG & PROP FEATHERING PUMP & PERFORMED POWER ASSURANCE CHECK. ALL OPS CHECKS WERE GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: CONTROL UNIT — MALFUNCTIONED (NR 1 PROPELLER) · airframe 9,626 hrs · 10,242 cycles

TAKE OFF ABORTED DUE TO NR 1 ENGINE TORQUE AT 97%, BUG 90% AIRSPEED, AT ABORT, BETWEEN 50-70 KTS. NO EXCESSIVE BRAKING. REMOVED FROM SERVICE. CDS INDICATED FAULT CODE 158 A/B. C/W EMU DOWNLOAD IAW T/C # 6773101. ACCOMPLISHED HIGH PWR RUN, DUPLICATED ORIGINAL DISCREPENCY. C/W ADDITIONAL EMU DOWNLOAD REF T/C 6773101. REPLACED PITCH CONTROL UNIT. RETURNED TO SERVICE.

Part: DITCHING DAM — MALFUNCTIONED · airframe 9,272 hrs · 9,844 cycles

DITCHING DAM DOOR AT MCD DROPPED APPROX 1 INCH DURING FLIGHT. REMOVED FROM SERVICE. C/W OPS CHECK OF MCD DITCHING DAM PER AMM 25-62-01-710-801. OPS CHECK GOOD. DITCHING DAM SECURE. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.

Part: ACTUATOR — INOPERATIVE (NLG) · airframe 8,716 hrs · 9,236 cycles

UPON GEAR RETRACTION NOSE DOOR AND NOSE UNSAFE LIGHT REMAINED ILLUMINATED APPROXIMATELY 10 SECONDS AFTER MAIN GEAR WIRE UP. FERRIED. REMOVED FROM SERVICE. R+R OF NLG MECHANICAL SEQUINCE VALVE, NLG DOORS SOLENOID SEQUINCE VALVE AND NLG DOORS ACTUATOR. OPERATIONAL TESTS OF THE LANDING GEAR EXTENSION + RETRACTION IS GOOD IAW AMM 32-31-00-710-801. PERFORMED 10 CYCLES OF EXTENSION + RETRACTION, ALL GEAR INDICATIONS ARE NORMAL. AIRCRAFT RETURNED TO SERVICE.

Part: CIRCUIT BREAKER — POPPED (ZONE 200) · airframe 24,554 hrs · 26,677 cycles

EMERGENCY LIGHTS ILLUMINATED IN THE CABIN WHEN THE SWITCH POSITION IS ON ARM. REMOVED FROM SERVICE. FOUND CB E3 LT "EMERGENCY LIGHT REMLAT" POPPED. RESET CB PER GPM 9.2.2.1. OPS CHECK GOOD IAW AMM 33-51-00-710-802. RETURNED TO SERVICE. NO PARTS REPLACED.

Part: PLACARD — WORN (DITCHING DAM) · airframe 8,351 hrs · 8,834 cycles

RIGHT FORWARD EMERGENCY EXIT DITCHING DAM PLACARD WAS WORN. REPLACED THE PLACARD.

Part: HINGE PIN — INOPERATIVE (COCKPIT DOOR) · airframe 8,237 hrs · 8,708 cycles

FLIGHT DECK DOOR IS CATCHING ON UPPER LEFT FRAME OF LAV DOOR. HARD TO OPEN/CLOSE. RUBBING/SCUFFING ON LAV DOOR FRAME. REMOVED FROM SERVICE. FOUND FLIGHT DECK DOOR HINGE PIN NO FULLY ENGAGED ON TOP MOST HINGE BLOCK AND RED PIN ACTUATOR SHEERED OFF. R+R FLIGHT DECK DOOR HINGE PIN ASSEMBLY IN REF. TO DEHAVILLAND DHC-8-400 CMM DOC NO. 02CAS057-D82 REV. G DOOR FUNCTIONS NORMALLY NO FURTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — LOOSE (CABIN FLOOR) · airframe 7,305 hrs · 7,679 cycles

EMERGENCY LIGHT IN FWD GALLEY IS LOOSE. REMOVED FROM SERVICE. SECURED THE EMERGENCY LIGHT STRIP. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.

Part: LIGHT — LOOSE (CABIN) · airframe 6,986 hrs · 7,355 cycles

LIGHT IN THE ENTRY WAY NOT SECURE. REMOVED FROM SERVICE. SECURED THE LIGHT, NO OTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.

Part: DISPLAY — FAILED (NR 1) · airframe 6,922 hrs · 7,287 cycles

ENROUTE, PFD 1 MONITOR FAILED MESSAGE APPEARED ON ED AND CAPTAIN`S PFD WENT BLACK WITH IAS, ATT, ALT, IVSI AND HDG FAIL MESSAGES DISPLAYED. DIVERTED AND ACCOMPLISHED UNEVENTFUL LANDING. REMOVED FROM SERVICE. INTERROGATED CDS, CURRENT FAULTS FOUND. PREVIOUS FAULT HISTORY SHOWED NO DATA PFD1. COMPLIED WITH FIM 31-61-00-810-884. REMOVED AND REPLACED THE NR 1 PFD AS A PRECAUTION IAW MTC 6316104. PERFORMED LLM RTS TEST IAW MTC 6316104. AIRCRAFT REMAINS CAT III QUALIFIED. RETURNED TO SERVICE.

Part: GUARD — MISSING (SWITCH) · airframe 6,726 hrs · 7,091 cycles

FORWARD EMERGENCY LIGHT SWITCH GUARD IS MISSING. INSTALLED GUARD ON EMERGENCY LIGHT SWITCH IAW AMM 33-51-05-000/400-801.

Part: VALVE — MALFUNCTIONED (PARKING BRAKE) · airframe 6,677 hrs · 7,044 cycles

ON DEPARTURE WITH PARKING BRAKE RELEASED AND APPLICATION OF POWER, AIRCRAFT WOULD NOT MOVE. REMOVED FROM SERVICE. REMOVED AND REPLACED PARK BRAKE CONTROL VALVE REF TASK 32-44-01-000-801 AND 32-44-01-400-801. OPS AND LEAK CHECKS GOOD. BRAKES RELEASED OK ON TAXI CHECK. AIRCRAFT RETURNED TO SERVICE.

Part: BRAKE — LEAKING (NR 1 & 2) · airframe 6,172 hrs · 6,559 cycles

OBSERVED SMOKE ON LT MLG AFTER PARKING. AIRCRAFT REMOVED FROM SERVICE. FOUND FLUID LEAKING FROM THE NR 1 AND 2 BRAKE ASSEMBLIES. REPLACED THE NR 1 AND 2 BRAKES AND NR 1 AND 2 MAIN WHEEL ASSEMBLIES IAW 6324101. R & R THE BRAKES IAW 6324201. NO FURTHER DEFECTS NOTED, AIRCRAFT RETURNED TO SERVICE.

Part: HYDRAULIC LINE — LEAKING (NR 1 BRAKE) · airframe 6,168 hrs · 6,555 cycles

LOST NR 2 HYD SYSTEM ON THE GROUND. PERFORMED AN ENGINE SHUTDOWN, SMOKE ON THE LEFT SIDE OF THE AIRCRAFT NEAR BRAKE. AIRCRAFT REMOVED FROM SERVICE. PERFORMED INSPECTION OF THE NR 2 EDP AND FILTERS IAW AMM 05-54-00-280-801. NR 2 SYS DEPLETED TO APROX 1 QT. NO SIGNALS OF OVERHEATING ON EDP. NO DPI'S POPPED AND NO CONTAMINATION FOUND IN FILTERS. FOUND NR 1 BRAKE FLEX HOSE TO BE LEAKING WITH SYSTEM HYD NR 2 PRESSURIZED. R & R THE NR 1 BRAKE HYDRAULIC FLEX HOSE IAW AMM 32-42-26-000-801 AND 32-42-26-400-801. NO LEAKS NOTICED. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.

Part: PANEL — OPEN (FUELING) · airframe 4,970 hrs · 5,304 cycles

80 KIAS ABORT FOR FUELING ON CAUTION LIGHT. FOUND FUELING PANEL LATCH OPEN. SECURED LATCH. PANEL CLOSED AND CAUTION LIGHT IS OUT.

Part: CONTROL UNIT — MALFUNCTIONED (PROPELLER DE ICE) · airframe 4,930 hrs · 5,260 cycles

PROPELLER DE-ICE CAUTION ILLUMINATED ENROUTE. RIGHT PROPELLER DE-ICE LIGHT DID NOT ILLUMINATE. RETURNED TO FIELD. LANDING UNEVENTFUL. INTERROGATED CDS AND FOUND PHASE A, B AND (TMCU2) SHORTED MESSAGE. REPLACED THE NR 2 BRUSHBLOCK IAW AMM 30-61-01=-000/400-801. REMOVED & REPLACED THE NR 2 TMCU IAW AMM 30-61-06-000/400-801. OPS & FUNCTIONAL TESTED GOOD IAW AMM 30-61006-710-801 & 30-61-00-720-801. NO FAULT CODES LOGGED ON CDS. RETURNED TO SERVICE.

Part: LENS — MISSING (CABIN) · airframe 4,707 hrs · 5,018 cycles

MISSING EMERGENCY EXIT COVER RT FWD EMERGENCY EXIT. INSTALLED NEW LENS. CHECKS GOOD OK FOR CONTINUED SERVICE.

Part: STRUCTURE — DAMAGED (CARGO DOOR) · airframe 4,564 hrs · 4,878 cycles

FORWARD LOWER CORNER OF FWD CARGO DOOR HAS DEFORMATION DAMAGE. DAMAGE CUT OUT, NDT CARRIED OUT IAW RD8/4-52-1563. REPAIR DOUBLER AND PACKER FABRICATED IAW RD8/4-52-1563. REPAIR DOUBLER AND PACKER INSTALLED IAW RD 8/4-52-1563.

Part: BATTERY PACK — MALFUNCTIONED (CABIN) · airframe 4,299 hrs · 4,582 cycles

ALL OF EPS3 EMERGENCY LIGHTS COME ON WHEN AIRCRAFT POWER IS OFF. REPLACED EPS3 BATTERY PACK IAW AMM 33-51-01. CHECKS GOOD. RETURNED TO SERVICE.

Part: BATTERY PACK — DEFECTIVE (CABIN) · airframe 4,299 hrs · 4,582 cycles

AFT OVERHEAD EMERGENCY EXIT LIGHT WILL NOT REMAIN ILLUMINATED WHEN SELECTED TO ON. REPLACED SPLICE E23, LIGHTS WORK BUT ONLY FOR A FEW SECONDS. REPLACED BATTERY PACKS IAW AMM 33-51-00. RETURNED TO SERVICE.

Part: PUMP — MALFUNCTIONED (HYDRAULIC SYS) · airframe 3,474 hrs · 3,724 cycles

NR 1 ENGINE HYD PUMP WARNING LIGHT ILLUMINATED DURING CLIMB. IAW EA CHECKLIST USED STBY HYD SYSTEM FOR RETURN TO FIELD. LANDING UNEVENTFUL. PERFORMED OPERATIONAL TEST OF THE FIREWALL SHUT OFF HYD VALVE IAW AMM TASK 29-11-06-710-801. SYSTEM OPERATES NORMALLY. REMOVED & REPLACED NR 1 ENG VARIABLE DELIVERY HYD PUMP IAW AMM TASK 29-11-01-000-801/400-801. NO DEFECTS OR LEAKS NOTED. RETURNED TO SERVICE.

Part: SPRING — STICKING (LAVATORY DOOR) · airframe 2,869 hrs · 3,053 cycles

FLIGHT DECK DOOR DIFFICULT TO OPEN. PERFORMED GVI OF THE DOOR AND FOUND THE HINGE SPRING ON THE LAVATORY DOOR WAS STICKING OUT ABOUT .2500". PUSHED THE SPRING BACK IN AND THE DOOR NOW OPERATES NORMALLY AND ALSO THE LAVATORY DOOR. RETURNED TO SERVICE.

Part: WARNING MESSAGE — FALSE ACTIVATION (CARGO DOOR) · airframe 2,639 hrs · 2,819 cycles

ON TAKEOFF, FUSELAGE DOOR WARNING ILLUMINATED. IDENTIFIED DOOR AS AFT CARGO DOOR. RETURNED TO FIELD. LANDING UNEVENTFUL. C/W SUPPLEMENT HS 05-0029. INSPECTED AFT CARGO DOOR LOCK MECHANISM AND C/W OPS CHECK. NO DEFECTS NOTED. RETURNED TO SERVICE.

Part: STRUCTURE — LOOSE (GALLEY DOOR) · airframe 2,229 hrs · 2,356 cycles

GALLEY SERVICE DOOR DIFFICULT TO OPEN. SECURED LOOSE INTERIOR TRIM. CLEANED AND LUBED DOOR SEAL. COMPLIED WITH OPS TEST OF AFT SERVICE DOOR IAW MM 52-41-00-710-801. OPS CHECK OF DOOR GOOD. RETURNED TO SERVICE.

Part: BLOWOUT PANEL — DISLODGED (ZONE 200) · airframe 1,796 hrs · 1,912 cycles

IN CRUISE, HEARD A LOUD THUMP FROM THE REAR OF THE ACFT. THE CABIN STARTED TO CLIMB AT ABOUT 2000 FT MIN TO JUST UNDER 8000 FT, CABIN ALT THEN IT REVERSED AND STARTED TO DESCEND THE CABIN AT 300 FT, MIN TILL THE CABIN WAS TO SEA LEVEL. AT THE START OF THE EVENT WE BEGAN A DESCENT TO 10000 FT. NO FAULTS, CAUTIONS OR ABNORMAL INDICATIONS WERE PRESENT. PERFORMED VISUAL INSP OF AFT CANTED BULKHEAD BLOWOUT PANEL AT AFT CARGO COMPARTMENT. FOUND AFT BLOW OUT PANEL DISLODGED. RE-INSTALLED THE PANEL. REF AMM 25-52-01-400-802. RAMP REPORTED AFT CARGO DOOR HANDLE WAS NOT FLUSH. OPERATED AFT CARGO DOOR, NO DEFECTS NOTED. GVI AND CARGO DOOR IS GOOD INTERROGATED CDS, FOUND GCPC FAULT REPORTED PROCESSING, NO FAULTS. CLEARED FAULTS FROM CDS. C/W PRESSURIZATION TEST FOR MAINTENANCE. REF AMMS 21-00-00-863-801 & 21-00-22-863-802. OPS TEST GOOD. C/W FUNCTIONAL TEST OF PRESSURIZATION CONTROL IAW AMM 21-31-00-720-801. TESTS GOOD. RETURNED TO SERVICE. ACFT OK FOR RETURN TO SERVICE.

Part: WIRE — SHORTED (EMERGENCY LIGHTS) · airframe 325 hrs · 331 cycles

AFT LT AND AFT RT DOOR EMERGENCY IDENT SIGNS, FS X699.27, FAIL TO ILLUMINATE WHEN SELECTED TO "ON". REPLACED POWER SUPPLY UNIT. INSPECTED AND FOUND PIN 10 OF CONNECTOR 3351-P6, READING .51 ABOVE TO GROUND. FOUND SHORT IN WIRE 3351-P20. REPAIRED DAMAGED WIRE. OPS TESTS GOOD.

Part: PROXIMITY SENSOR — OUT OF ADJUST (RT MLG DOOR) · airframe 126 hrs · 128 cycles

RIGHT GEAR DOOR AND GEAR INTRANSIT LIGHT ON GEAR RETRACTION. RETURNED TO FIELD. LANDING UNEVENTFUL. ADJUSTED PROXIMITY SENSOR IAW AMM TASK 32-61-06-830-801. OPS TEST GOOD. RETURNED TO SERVICE.

Part: BEARING — FAILED (MLG WHEEL) · airframe 46 hrs · 43 cycles

ACFT PULLED LT DURING LANDING ROLL REQUIRED MORE RT THAN LT BRAKING TO MAINTAIN CENTERLINE. DURING POST FLIGHT SMOKE AND EXCESSIVE HEAT WERE OBSERVED ON THE LT MLG. REPLACED BOTH NR 1 & NR 2 BRAKES & NR 1 & NR 2 WHEEL/TIRE ASSYS, ALSO REPLACED NR 2. WHEEL SPEED TRANSDUCER & REPLACEMENT OF NR 1 MLG AXLE ASSY. OPS CHECKED GOOD- NO OTHER DEFECTS NOTED.