SEABORNE VIRGIN ISLANDS, INC.

Part: GASKET — BURNED (RT ENGINE) · airframe 53,839 hrs · 107,203 cycles

FLT/CREW REPORTED - UPON SETTING CRUISE POWER APPROX. 3 MINUTES AFTER ON FLIGHT # BB - 186 SPB / SSB " FIRE WARNING R ENGINE WITH NO EVIDENCE OF FIRE. THIS A REPEAT ITEM DATED 12/04/2025 - UNIQE CONTROL # S9BA202500003. CHECKED & INSPECTED FUEL NOZZLE SYSTEM AND FOUND FUEL NOZZLES NR 3, 4, 10, & 11 LEAKING BLEED, R & R FUEL NOZZLE GASKETS ) ON NOZZLES #3, 4, 10, & 11 IAW WC # 73-01-01 OP CK GOOD AT THIS TIME.

Part: FIRE DETECTOR — OUT OF TOLERANCE (RT ENGINE) · airframe 53,811 hrs · 107,203 cycles

FLT/CREW REPORTED - UPON LEVELING OUT ON FLIGHT NR BB-136 SSP / SSB RT ENGINE FIRE WARNING LIGHT CAME ON WITH AURAL FIRE BELL WARNING CAME ON ALSO. POWER LEVER / TQ WAS REDUCE AND BOTH FIRE WARNING EXTINGUSHED, F/O VISUALLY CONFIRMED NO FIRE OR SMOKE WAS COMING OUT OF RT ENGINE. ALL ENGINE INSTRUMENTS PARREMETERS NORMAL AND IN GREEN ARC AREA, WITH NO OTHER WARNINGS WERE NOTICED AT THAT TIME. CONTINUE FLIGHT TO ITS FLIGHT DESTINATION.

Part: SWITCH — LOOSE (ZONE 200) · airframe 53,116 hrs · 105,130 cycles

03/07/2025 CREW REPORTED:'AILERON ACT. TRIM CB POPPED IN FLIGHT ELECTRICAL BURNING SMELL." MAINTENANCE INSPECTED DEFERRED THIS ITEM AS PER MEL 27-2. MAINTENANCE CORRECTIVE ACTION:" INSPECTED AILERON TRIM SYSTEM FOUND CONNECTION AT SWITCH LOOSE REPOSITIONED AND SECURED CONNECTION IAW DHC-6-300 M/M CHAPTER 27-10. THIS ACTION CLEAR THE MEL 27-2 DATE 03/08/2025.

Part: STRINGER — CORRODED (ZONE 100) · corrosion level 2 · airframe 54,397 hrs · 119,812 cycles

CORROSION BEYOND MFR LIMITS ON STRINGERS AND INTERCOSTALS BETWEEN FS262 AND FS288 BETWEEN WL -4.68 AND -10.28. FOLLOWING PART NUMBERS WERE REMOVED AND REPLACED WITH NEW IAW DHC SRM. C6FS1620-29, C6FS1620-39, C6FS1620-31, C6FS2448-39, C6FS1620-37.

Part: DOUBLER — CORRODED (ZONE 500) · corrosion level 2 · airframe 54,397 hrs · 119,812 cycles

CORROSION FOUND BEYOND MFR LIMITS ON LH WING WS310.O FORE FLAP HINGE SKIN DOUBLERS. FOLLOWING PART NUMBERS WERE REMOVED AND REPLACED IAW DHC SRM. 969401-7 AND 969401-9.

Part: MOUNT FITTING — BROKEN (CONTROL CABLE) · airframe 54,320 hrs · 119,578 cycles

CREW REPORTED; WHEN RIGHT FUEL LEVER SELECTED OFF, RIGHT ENGINE DID NOT SHUT DOWN. MAINTENANCE INSPECTED ENGINE CONTROL CABLES AND FOUND CABLES IN BIND. FURTHER INSPECTION FOUND THE RIGHT OUTBOARD ENGINE MOUNT BROKEN. REMOVED AND REPLACED ENGINE MOUNT IAW AMM 71-20, OPS CHECK GOOD.

Part: TRIM TAB — BROKEN (LT ELEVATOR) · airframe 54,306 hrs · 119,538 cycles

IN SHALLOW CLIMB A DUPLICATABLE VIBRATION CAN BE FELT IN THE YOKE AND AIRPLANE. INSPECTION OF THE AIRCRAFT FOUND THE LH ELEVATOR TRIM TAB ATTACH BRACKET BROKEN. REMOVED AND REPLACED ELEVATOR TRIM TAB ASSEMBLY IAW DHC-6-300 AMM CH 27-30. OPERATIONAL CHECK AND FUNCTIONAL TEST FLIGHT GOOD.

Part: LONGERON — CRACKED (ZONE 400) · airframe 42,789 hrs · 88,369 cycles

RH ENGINE NACELLE OUTBOARD LOWER LONGERON CRACKED.

Part: FRAME — CORRODED (ZONE 200) · corrosion level 2 · airframe 42,337 hrs · 87,085 cycles

LH SIDE FRAME AT FS218 CORRODED BEYOND MANUAL LIMITS.

Part: FRAME — CORRODED (ZONE 200) · corrosion level 2 · airframe 42,337 hrs · 87,085 cycles

RH SIDE FRAME AT FS219 CORRODED BEYOND MANUAL LIMITS.

Part: STRUCTURE — CORRODED (ZONE 500) · corrosion level 2 · airframe 53,223 hrs · 116,487 cycles

LH UPPER WING SKIN DOUBLER (.063 THICK) CORROSION WS125.50 (.014 DEEP) AND 129.00 (.013 DEEP) AT MAIN SPAR BEYOND SRM LIMITS.

Part: STRUCTURE — CORRODED (ZONE 600) · corrosion level 2 · airframe 53,223 hrs · 116,487 cycles

RH UPPER WING SKIN DOUBLER (.063) CORROSION WS135.0 (.040 DEEP) AT MAIN SPAR BEYOND SRM LIMITS

Part: STRUCTURE — CORRODED (ZONE 200) · airframe 42,002 hrs · 86,094 cycles

RH SIDE FUSELAGE SKIN (.050 THICK) CORRODED (.023 DEEP) BEYOND SRM LIMITS (.006) AT FS131-FS132 AT TOP OF WINDOW CUTOUT.

Part: STRUCTURE — CORRODED (ZONE 200) · corrosion level 2 · airframe 42,002 hrs · 86,094 cycles

SUPPLEMENT REPORT TO CONTROL NUMBER 2023F00064. PLEASE CHANGE CONTROL NUMBER FROM 2023F00064 TO OPERATOR UNIQUE CONTROL NUMBER S9BA20230001. ALL OTHER INFORMATION IS THE SAME. RH SIDE FUSELAGE SKIN (.050) CORRODED (.023) DEEP BEYOND SRM LIMITS (.006) AT FS131-FS132 AT TOP OF WINDOW CUTOUT.

Part: OIL SYSTEM — LOW PRESSURE (NR 2 ENGINE) · airframe 44,326 hrs · 55,280 cycles

ENGINE #2 OIL PRESSURE CWP LIGHT ILLUMINATED WITH DECREASING OIL PRESSURE, FOLLOWED QRH ENGINE LOW OIL PRESSURE PROCEDURE AND CONTINUED TO ENGINE SHUTDOWN

Part: ANGLE — CRACKED (HORIZONTAL STAB) · airframe 44,312 hrs · 55,258 cycles

CRACK AS L/H HORIZONTAL STAB FRONT SPAR TO INBD RIB ATTACHEMENT ANGLE, THIS WAS FOUND DURING AN INSPECTION THAT REQUIRED REMOVAL OF THE L/H HORIZONTAL STAB

Part: ANGLE — CRACKED (RT NACELLE) · airframe 44,312 hrs · 55,258 cycles

CRACK AT R/H NACELLE ANGLE NS 197

Part: DOWNLOCK SWITCH — INTERMITTENT (NLG) · airframe 34,091 hrs · 40,911 cycles

WITH THE GEAR HANDLE UP THE NOSE GEAR DOWNLOCK LIGHT REMAIN ILLUMINATED.

Part: BEARING — FAILED (NLG) · airframe 43,928 hrs · 54,609 cycles

UPON LANDING AND WHEN AIRCRAFT NOSE WHEEL TOUCHDOWN A VIBRATION AND LOUD NOISE WAS PRODUCE AND FELT FROM THE SAME AREA

Part: HOSE — BLOWN (HYD SYSTEM) · airframe 42,307 hrs · 55,329 cycles

DURING FLIGHT HYDRAULIC CAUTION LIGHT ON WITH HYDRAULIC PUMP ACTUATION WITH LOSS OF ALL HYDRAULIC ACCUMULATOR PRESSURE. MAINTENANCE PERSONNEL FOUND BLOWN HOSE ASSY AT THE NOSE RETRACT ACTUATOR.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 42,182 hrs · 50,806 cycles

EMERGENCY LIGHT ABOVE 2A SEAT INOP.

Part: RIB — CORRODED (LT AILERON) · corrosion level 3 · airframe 422,360 hrs · 55,183 cycles

DURING HEAVY CHECK INSPECTION FOUND O/B RIB L/H AILERON WITH CORROSION BEYOND LIMITS

Part: SMOKE DETECTOR — FALSE ACTIVATION (LAVATORY) · airframe 43,133 hrs · 50,737 cycles

LAVATORY SMOKE LIGHT COMING ON FOR ABOUT 30 SECONDS AND THEN INTERMITTENT. CORRECTIVE ACTION: MX PERSONNEL INSPECTED LAVATORY SMOKE DETECTOR AND TESTED OK. NO DEFECTS FOUND.

Part: HYDRAULIC LINE — BLOWN (ZONE 700) · airframe 31,081 hrs · 39,441 cycles

DURING APPROACH, AFTER GEAR DOWN AND LOCKED "HYD" WARNING CAME ON. HYD. QTY. AND PRESSURE READ 0. MAINTENANCE PERSONNEL FOUND BLOWN HOSE ASSY. AT THE NOSE GEAR RETRACT ACTUATOR.

Part: LAMP SOCKET — BURNED (CABIN) · airframe 43,230 hrs · 53,515 cycles

DURING FINAL DESCENT, FLIGHT ATTENDANT REPORTED SMELL OR ODOR COMING FROM 9 TO 11. CA: AFTER DVI FOUND FLUORESCENT TUBE LAMP HOLDER AT SEAT 9A BURNT. REMOVED AND REPLACED LAMP HOLDER.

Part: STRUCTURE — CORRODED (RT WING) · airframe 33,539 hrs · 39,972 cycles

DURING HMBV INSPECTION FOUND LEADING EDGE ASSY.(RT) CORROSION OUT OF LIMITS. ASSEMBLY WAS REMOVED AND REPLACED.

Part: BRACKET — CRACKED (RT MLG) · airframe 30,741 hrs · 38,937 cycles

UNSAFE GEAR INDICATION ON RT MAIN LANDING GEAR.

Part: PLATE — OUT OF POSITION (COCKPIT) · airframe 33,300 hrs · 39,541 cycles

NOSE GEAR INDICATOR LIGHT FACE PLATE CAME OFF REPLACED BULBS.

Part: PROCESSOR — FAILED (COCKPIT) · airframe 41,179 hrs · 53,452 cycles

WHEN TAXIING TO THE GATE AND BEFORE ENGINE SHUTDOWN, THE PILOTS EXPERIENCED A STRONG ELECTRICAL ODOR IN THE COCKPIT. FOUND THE PROCESSING UNIT.

Part: SOCKET — SHORTED (WINDOW LIGHT) · airframe 40,716 hrs · 48,668 cycles

WINDOW LIGHTS AT ROWS 6 AND 7 SMELL LIKE BURNING PLASTIC.

Part: CONNECTOR — UNSECURE (EMERGENCY LIGHTS) · airframe 30,075 hrs · 33,812 cycles

EMERGENCY EXIT LIGHT OVER ROW 6A INOPERATIVE. FOUND THE CONNECTOR UNSECURE.

Part: LINK — SEPARATED (PROPELLER)

DURING TAKE OFF, THE PROPELLER DID NOT FOLLOW CONDITION LEVER POSITION. THE LINK AT THE PROPELLER CONTROL UNIT WAS FOUND SEPARATED DUE TO A LOCK WASHER THAT FAILED.

Part: ACTUATOR — BINDING (RUDDER) · airframe 40,097 hrs · 47,775 cycles

ON CLIMB GUST LOCK LIGHT CAME ON, AFTER REACHING CRUISE THE CREW BECAME AWARE THAT THERE WAS NO RESPONSE TO THE RUDDER INPUT.

Part: SKIN — PUNCTURED (BS 316-319) · corrosion level 3

DURING HEAVY CHECK INSPECTION, FOUND CORROSION AND A PUNCTURE ON THE FUSELAGE SKIN LT SIDE BETWEEN BS 316 - 319. ACCOMPLISHED REPAIR IAW 340SDS042295.

Part: ACM — SEIZED (LEFT) · airframe 3,732 hrs · 36,760 cycles

PASSENGERS REPORT AN ODOR OF SMOKE FROM ROWS 1 TO 5. FOUND SEIZED LEFT AIR CYCLE MACHINE. THE ACM WAS REMOVED AND REPLACED.

Part: DUCT CLAMP — CRACKED (ZONE 400) · airframe 42,868 hrs · 76,053 cycles

ON TAKEOFF, RIGHT T HANDLE FIRE WARNING.

Part: DUCT — BROKEN (ZONE 600) · airframe 38,426 hrs · 45,562 cycles

DURING FLT, RT BLEED AIR LEAK LIGHT ILLUMINATED. CREW COMPLETED QRH 1-6, LIGHT EXTINGUISHED AND FLIGHT CONTINUED. ACFT WAS RETURNED TO HOME BASE USING A FERRY PERMIT. DURING PRELIMINARY INSPECTION FOUND RT BLEED AIR RUBBER DUCT BROKEN. DUCT WAS REPLACED. OPS AND LEAK CHECK PERFORMED FOUND WORKING PROPERLY. ALSO ACFT WAS RELEASED FOR FUNCTIONAL CHECK FLIGHT AND NO ABNORMALITIES FOUND DURING THIS FLIGHT.

Part: ELEMENT — CHAFED (OVERHEAT) · airframe 38,391 hrs · 45,579 cycles

BLEED AIR LEAK CAUTION LIGHT ILLUMINATED DURING FLIGHT, PROCEED TO QRH AND LIGHT REMAINED ILLUMINATED, PROCEEDED WITH ENGINE SHUTDOWN. PRELIMINARY INSPECTION FOUND SENSING ELEMENT CHAFING AGAINST DUCT CLAMP. SENSING ELEMENT REPOSITION AND SECURED, OPS CHECK PERFORMED AND FOUND SYSTEM WORKING PROPERLY.

Part: COMPUTER — FAULTED · airframe 38,723 hrs · 49,085 cycles

RIGHT HOT PIPE LIGHT CAME ON AFTER TAKEOFF 2,000 FT. R & R WARNING ELECTRONIC COMPUTER.

Part: FUEL CONTROL — FAILED (LT ENGINE) · airframe 41,429 hrs · 71,861 cycles

(CGKBR) LEFT ENGINE NOT MAKING 50 PERCENT TORQUE ON LAST FLIGHT CHECKS. REPLACED FUEL PUMP AND FUEL CONTROL.

Part: TRANSDUCER — MALFUNCTIONED (ENGINE TORQUE) · airframe 41,429 hrs · 71,861 cycles

LT ENGINE ONLY PRODUCING 40 LBS TORQUE ON TAKEOFF. TAKEOFF WAS ABORTED. TORQUE TRANSDUCER WAS REPLACED IAW AMM 79-31.

Part: WINDSHIELD — CRACKED (COCKPIT) · airframe 27,802 hrs · 34,661 cycles

WHEN ENROUTE, CAPTAIN WINDSHIELD CRACKED. DECLARED EMERGENCY AND LANDED. THE WINDSHIELD WAS REPLACED.

Part: SKIN — DENTED (BS 512-520) · airframe 27,679 hrs · 34,467 cycles

DENT ON SEAM AFT OF 9TH WINDOW RT SIDE. EVALUATED DAMAGE AT FUSELAGE BS 516. REPAIRED IAW SRM 53-70-10-205, FIG 203. NDT INSPECTED IAW NDT MANUAL 51-06-00. PRIMED AND PAINTED TO MATCH ACFT COLORS. NO CHANGE IN ACFT WEIGHT AND BALANCE.

Part: SKIN — DENTED (BS 580) · airframe 27,679 hrs · 34,467 cycles

DENT AT RT FUSELAGE UNDER 11TH CABIN WINDOW. EVALUATED DAMAGE AT FUSELAGE BS 580.0, WATERLINE 100. REPAIRED IAW SRM 53-70-10-205, FIG 203. NDT MANUAL 51-06-00. PRIMED AND PAINTED TO MATCH ACFT COLORS. NO CHANGE IN ACFT WEIGHT AND BALANCE.

Part: SWITCH — BENT (NLG STEERING) · airframe 30,243 hrs · 33,973 cycles

AIRCRAFT WILL NOT TURN LEFT ON GROUND USING NOSE WHEEL STEERING. R & R STEERING SYSTEM CONTROL MICRO SWITCH AND PERFORMED OPS CHECK GOOD IAW MM 32-50-35-02.

Part: BLADE — DAMAGED (LT ENGINE) · airframe 38,374 hrs · 48,584 cycles

LEFT ENGINE STAGE 1 ROTOR BLADE MISSING MATERIAL. DAMAGE DISCOVERED VIA BORESCOPE INSPECTION. PICTURE TAKEN AND FORWARDED TO TECH SUPPORT AND THEY DETERMINE THAT ENGINE NEED TO BE REPLACE.

Part: BEARING — BROKEN (NLG WHEEL) · airframe 39,743 hrs · 47,565 cycles

STRANGE AND VERY LOUD GRINDING COMING FROM NOSE WHEELS AREA DURING TAXI INTO THE RAMP. INSPECTED AND FOUND NR 1 NOSE WHEEL BEARING BROKEN. R & R NR 1 NOSE WHEEL ASSY IAW AMM 32-41-15-04. OPS CHECK GOOD.

Part: LONGERON — CRACKED (LT NACELLE) · airframe 47,408 hrs · 97,009 cycles

LEFT NACELLE OTBD LONGERON CRACKED. REMOVED CRACKED LONGERON, LOCATED NEW LONGERON AND INSTALLED. REF AC 43.13-1B

Part: ENGINE — POWER LOSS (ZONE 500) · airframe 48,789 hrs · 103,382 cycles

LT ENGINE LOST POWER ON TAKEOFF, AUDIBLE GRINDING NOISE AND EXCESSIVE VIBRATION CAN BE HEARD AND FELT COMING FROM ENGINE.

Part: STRIP — BROKEN (JUMP SEAT) · airframe 26,889 hrs · 29,422 cycles

DURING MAINTENANCE, FOUND THAT F/A JUMPSEAT DOES NOT LOCK IN POSITION. AFTER INSPECTION AND TROUBLESHOOTING FOUND STRIP-CHAFING AND PACKER BROKEN NOT ALLOWING TO SLIDE THE SEAT TO THE SIDE AND ALSO WAS UNABLE TO KEEP SEAT ON POSITION, TOP PORTION OF THE SEAT GOES FORWARD.