350King Air · 300

Parts most often named Downlock Switch (21) · Switch (11) · Light (9) · Bulb (5)

LEFT MAIN LANDING GEAR INDICATOR LIGHT WAS INTERMETTENT ON APPROACH. DELCARED EMERGENCY. REMOVED AND REPLACED WITH A NEW UNIT, THE L/H MLG DOWNLOCK SWITCH PN ON/OFF: 101-364628-1, [S/N removed]: 404HE222-6, SN ON: 12394808A, IAW KA300 AMM 32-60-05. PERFORMED LANDING GEAR EXTENSION AND RETRACTION OPS CHECK WITH NO DEFECT NOTED.

ON DESCENT INTO 12J, LANDING GEAR SELECTED TO DOWN POSITION, THE LEFT MAIN LANDING GEAR GREEN ANNUNCIATOR FAILED TO ILLUMINATE. BULB CHECK WAS GOOD. FOLLOWED CHECKLIST DIVERTED TO KPNS. LANDING WAS UNEVENTFUL. MAINTENANCE REPLACED THE LEFT MAIN LANDING GEAR DOWN LOCK SWITCH. GEAR SWINGS PERFORMED WITH NO DEFECTS NOTED. AIRCRAFT WAS RETURNED TO [S/N removed].

IN CRUISE FLIGHT, THE RED “GEAR UNSAFE” LIGHT IN THE HANDLE BEGAN FLICKERING ON AND THEN REMAINED ILLUMINATED. CREW FOLLOWED CHECKLIST, DIVERTED TO KDAL. LANDING WAS UNEVENTFUL. MAINTENANCE ADJUSTED THE LEFT MAIN LANDING GEAR UP POSITION SWITCH. GEAR SWINGS PERFORMED WITH NO DEFECTS NOTED. A SUCCESSFUL OPERATIONAL CHECK FLIGHT WAS PERFORMED WITH NO DEFECTS NOTED. AIRCRAFT WAS RETURNED TO [S/N removed].

Parts most often named Windshield (56) · Windscreen (2) · Vent Line (1)

[tail no. removed] PART 91 FLIGHT. ORIGINAL ROUTE WAS KHND – KFAT. SHORTLY AFTER DEPARTING KHND, THE COPILOTS WINDSHIELD CRACKED, APPROXIMATELY MID WINDOW TOP TO BOTTOM. CREW THEN RETURNED SAFELY TO KHND. WE WERE ABLE TO REPOSITION THE AIRCRAFT TO OUR LONG BEACH REPAIR STATION UNDER KING AIR B300 AFM LIMITATIONS SECTION 2.

LEFT PILOT WINDSHIELD SHATTERED/CRACKED DURING CRUISE FLIGHT FL310. EMERGENCY DECLARED AND DIVERTED TO ALTERNATE AIRPORT. LANDING WAS UNEVENTFUL. LEFT WINDSHIELD WAS REPLACED. AIRCRAFT WAS RETURNED TO [S/N removed].

PILOT SIDE WINDSHIELD CRACKED SHORTLY AFTER TAKEOFF. AIRCRAFT DIVERTED BACK TO KMKC. LANDING WAS UNEVENTFUL. MAINTENANCE REPLACED THE PILOTS WINDSHIELD AND TEMP CONTROLLER. A SUCCESSFUL OPERATIONAL CHECK FLIGHT WAS PERFORMED WITH NO DEFECTS NOTED. AIRCRAFT WAS RETURNED TO [S/N removed].

Parts most often named Unknown (16) · Duct (5) · Hose (2) · Blower Motor (2)

ON 09 DECEMBER 2025, WAS PERFORMING FLIGHT INSPECTION MANEUVERS WHEN THE CREW BECAME AWARE OF A STRONG ODOR OF ELECTRICAL SMOKE IN THE COCKPIT. AN EMERGENCY WAS DECLARED WITH BOSTON TRACON AND AN EMERGENCY LANDING WAS PERFORMED ON RUNWAY 27. AIRPORT RESCUE AND FIREFIGHTING VEHICLES WERE DISPATCHED AND THE CREW EVACUATED ON THE RUNWAY. THE AIRCRAFT WAS THEN TOWED TO SIGNATURE FLIGHT SUPPORT FBO. MAINTENANCE AND ON-CALL DUTY MANAGER HAVE BEEN NOTIFIED. RU3A

AS WE STARTED TO TAXI OUT OF RAMP AT GMU, WE STARTED TO NOTICE STRONG ODOR OF EXHAUST/FUEL FROM THE EYEBALL VENTS, WE PROCEEDED TO RETURN TO RAMP AND SHUT DOWN

AT CRUISE FL260 A LOUD ELECTRICAL ARCHING SOUND DEVELOPED IN THE COCKPIT FLOOR. THE SOUND CONTINUED FOR 10-15 MINUTES. AN ELECTRICAL SMELL WAS NOTICED. MAINTENANCE PERFORMED INTERIOR DETAILED ELECTRICAL SYSTEM CHECKS WITH NO DEFECTS NOTED. PERFORMED SYSTEMS CHECKS WITH GPU AND ENGINE POWER WITH NO DEFECTS NOTED. PERFORMED GEAR SWINGS WITH NO DEFECTS NOTED. UNABLE TO DUPLICATE DISCREPANCY. A SUCCESSFUL OPERATIONAL CHECK WAS PERFORMED. AIRCRAFT WAS RETURNED TO [S/N removed].

Parts most often named Landing Gear (7) · Motor (4) · Uplock Switch (1) · Powerpack (1)

IN CLIMB AT 16,000 HYD FLUID LOW LIGHT COME ON, AFTER GRABBING CHECKLIST LIGHT DID GO OUT. WE DID HEAR HYD PUMP COME ON BRIEFLY AFTER LIGHT WENT OUT. DIVERTED TO TEB, PUT GEAR DOWN EARLY, GEAR TOOK LONGER THAN NORMAL AND PUMP SOUNDED STRAINED AND WAS SCREAMING. WE DID GET 3 GREEN LND GEAR LIGHTS. EMERGENCY DELCARED. FOUND LEAKING B-NUTS AT THE POWER PACK, RETORQUED, OPS CHECK GOOD. ALL WORK DONE IAW B300 AMM REF 32-30-00.

ON APPROACH P91 TRIP, GEAR HANDLE SELECTED TO DOWN POSITION, ONLY THE NLG AND RMLG GREEN ANNUNCIATOR LIGHTS ILLUMINATED. LEFT MLG ANNUNCIATOR DID NOT ILLUMINATE. FOLLOWED CHECKLIST. EMERGENCY WAS DECLARED AND DIVERTED TO KGRR. MAINTENANCE REPLACED THE LEFT MLG DOWNLOCK SWITCH. GEAR SWINGS PERFORMED WITH NO DEFECTS NOTED. A SUCCESSFUL OPERATIONAL CHECK FLIGHT WAS PERFORMED. AIRCRAFT WAS RETURNED TO [S/N removed].

CREW REPORTED ON APPROACH INTO KRNO, AFTER LOWERING THE LANDING GEAR HANDLE, THE LANDING GEAR DID NOT EXTEND, FOLLOWED BY THE LANDING GEAR 2 AMP CIRCUIT BREAKER POPPED. PILOT THEN SUCCESSFULLY LOWERED THE LANDING GEAR WITH THE LANDING GEAR HAND PUMP, SEEING THE DOWN AND LOCKED THREE GREEN. PILOT VERIFIED LANDING GEAR WAS DOWN VIA VISUAL CONFIRMATION FROM KRNO TOWER. AIRCRAFT LANDED SAFELY.

Parts most often named Starter Gen (15) · Bearing (9) · Armature (2) · Brushes (1)

IN FLIGHT-RECEIVED R GEN TIE CASS MESSAGE -LOST RIGHT PILOT HEAT -LOST RIGHT PFD -LOST AUTOPILOT R GEN WOULD NOT RESET - REMOVED FAULTY RH ENGINE STARTER/GEN (P/N: 23085-001 [S/N removed]/CA) AND REPLACED WITH OVERHAULED STARTER/GEN (P/N: 23085-001 [S/N removed]/CA). PERFORMED OPS CHECK. NO DISCREPANCIES NOTED. PERFORMED SOAP ANALYSIS INSPECTION. WORK DONE IAW KING AIR B300 AMM SECTION 24-30-03 AND P&W PT6A-60A EMM SECTION 79-20-02. FILTER P/N 7579522AM.

WHEN STARTING LEFT ENGINE AND BRINGING LEFT GENERATOR ON LINE IT WOULD NOT COME ON LINE. I CHECKED TO MAKE SURE IGNITION STARTER WAS OFF AND IT WAS. I SHUT DOWN THE ENGINE AND 30 SECONDS LATER SMOKE WAS POURING OUT OF THE LEFT COWLING. WE SMELLED ELECTRICAL BURNING.

ON DESCENT 'L DC GEN' AND 'L GEN TIE' ANNUNCIATORS ILLUMINATED. FOLLOWED CHECKLIST. UNABLE TO RESET. AN EMERGENCY WAS DECLARED AND A '0' FLAP LANDING WAS PERFORMED PER CHECKLIST. LANDING WAS UNEVENTFUL. RESCUE VEHICLES WERE STANDING BY. MAINTENANCE REPLACED THE LEFT GENERATOR AND PERFORMED ENGINE PWC REQUIREMENTS FOR ENGINE STARTER GENERATOR FAILURE. AIRCRAFT WAS RETURNED TO [S/N removed].

Parts most often named Seal (4) · Bolt (3) · Door (3) · Door Seal (2)

AT FL250 PRESSURE DIFFERENTIAL 6.5 HEARD A POP AND DOOR UNLOCKED LIGHT CAME ON. DOOR LATCH BOLT BROKE AND MAIN DOOR WOULDN'T OPEN. MX FOUND FAILURE OF THE UPPER FWD BAYONET (BOLT) 51.5 HRS/42 CYCLES AFTER REPLACEMENT. NO OTHER DAMAGE FOUND. THE KIT USED WAS PN 101-4084-1 [S/N removed].

DURING A ROUTINE POST FLIGHT INSPECTION, TWO RIVETS ON THE MAIN CABIN ENTRY DOOR WERE NOTED MISSING ALONG THE LOWER AFT CORNER. UPON FURTHER INVESTIGATION, A SUBSTANTIAL CRACK WAS FOUND ON THE MAIN ENTRY DOOR FRAME CHANNEL. THIS CHANNEL SUPPORTS THE HINGE FOR THE MAIN CABIN DOOR. IT IS SUSPECTED THAT A WEAK DOOR DAMPER ASSEMBLY WAS PLACING UNDUE STRESS ON THE DOOR HINGE AND STRUCTURE AS IT WOULD SUDDENLY CATCH AND SLOW THE OPENING OF THE DOOR HALF WAY DOWN

MS HEARD LOUD AIR-LEAK COMING FROM THE CABIN DOOR. NOISE INCREASED AS DIFFERENTIAL PRESSURE INCREASED. CABIN DOOR SEAL WAS REPLACED.

Parts most often named Engine (18) · Fcu (1) · Unknown (1) · Carbon Seal (1)

(CAN) DURING FLIGHT ENGINE #2 HAD NO RESPONSE TO POWER LEVER MOVEMENT AND HIGH ITT. THE CREW ELECTED TO SHUT DOWN THE ENGINE AND DIVERT. THE LANDING WAS UNEVENTFUL.

AT FLIGHT LEVEL 240 THE RIGHT ENGINE ROLLED BACK AND THE ARMED AUTO FEATHER TRIED TO FEATHER THE ENGINE. BUMPED THE PROP RPM AT APPROXIMATELY 930 BUT WOULD NOT FEATHER. THE TORQUE DROPPED TO 2.7 POUNDS [tail no. removed] DROPPED TO 67%. IURNED THE AUTO FEATHER OFF AND THE RPM RETURNED TO 1510, SEEMED LIKE THE ENGINE WAS PRODUCING POWER JUST NOT FULL POWER. FIVE MINUTES BEFORE LANDING THE [tail no. removed] DROPPED TO 55% AND THE RIGHT GENERATOR WENT OFF LINE. ON THE GROUND, THE THROTTLE WAS INEFFECTIVE WITH NO POWER CHANGES. OPEN

AFTER SHUTDOWN, SMOKE WAS NOTICED COMING FROM BOTH ENGINE EXHAUST STACKS ON THE RIGHT ENGINE. MAINTENANCE INSPECTED THE RIGHT ENGINE WITH NO DEFECTS NOTED. ENGINE OIL WAS [S/N removed]. PERFORMED ENGINE RUNS AT DIFFERENT POWER SETTINGS WITH NO DEFECTS NOTED. AIRCRAFT WAS RETURNED TO [S/N removed].

Parts most often named Valve (7) · Brake (5) · Brake Assy (4) · Brake Sys (3)

NO LEFT BRAKE PRESSURE ON LANDING - PERFORMED VISUAL INSPECTION OF LH BRAKE PLUMBING CHECKING FOR LEAKS WITH NO LEAKS NOTED. VERIFIED HYDRULIC BRAKE RESERVOIR WAS FULL. BLED BRAKES IAW AMM 32-40-01 OPS CHECK GOOD.

DURING ROLLOUT INSPECTION, CREW RETURNED TO GATE DUE TO AIRCRAFT'S BRAKES BECAME EXCESSIVELY HOT PRODUCING VISIBLE SMOKE. FIRE TRUCKS WERE ROLLED OUT AND SPRAYED THE HOT BRAKES DOWN; AIRCRAFT WAS EVACUATED AND TOWED BACK TO THE GATE. CREW EVACUATED THROUGH THE MED ON THE TAXIWAY, MLG HOSED DOWN BY THE FIRE DEPARTMENT. THE AIRCRAFT WAS TOWED BACK TO THE FBO. A LOCAL COMPANY DID A VISUAL INSPECTION AND FOUND NO OBVIOUS DAMAGE BUT DID NOTE SLIGHT DISCOLORATION OF THE BRAKES.

ON LANDING ROLLOUT CREW APPLIED BOTH BRAKES LEFT BRAKE PEDAL FELT SOFT. AS THEY CAME TO A FULL STOP AT THE RAMP, THE LEFT PEDAL WENT FLAT. THEY SHUTDOWN THE ENGINES AND UPON EXITING THE AIRCRAFT, THEY NOTICED HYDRAULIC FLUID UNDER THE LEFT WHEEL. MAINTENANCE LOOKED OVER BRAKE ASSEMBLE AND FOUND LEAKING FITTING FROM DAMAGED O-RING.

Parts most often named Tube (8) · Line (4) · Regulator Valve (2) · Eva Tube (2)

DURING CLIMB THE MASTER WARNING LIGHT ILLUMINATED FOLLOWED BY 'RIGHT BLEED AIR FAIL' ANNUNCIATOR. ENGINE POWER REDUCTION HAD NO AFFECT ON THE FAILURE. EMERGENCY WAS DECLARED AND AIRCRAFT DIVERTED TO MAINTENANCE. MAINTENANCE REPLACED THE RIGHT WING INBOARD LEADING EDGE BLEED AIR EVA (ETHYLENE VINYL ACETATE)TUBING DUE TO DAMAGE. GROUND TEST PERFORMED WITH NO DEFECTS NOTED. AIRCRAFT WAS RETURNED TO [S/N removed].

TEN MINUTES INTO THE FLIGHT AT 14000' THE LEFT ENGINE BLEED AIR FAIL LIGHT ILLUMINATED. FOUND A HOLE IN EVA TUBING. TUBING REPLACED.

LEFT BLEED AIR LIGHT ILLUMINATED ON AT 11000 CLIMBING OUT 4 MINUTES LATER PASSING 9000 DESCENDING. HOLE WAS FOUND IN EVA TUBING, TUBING WAS ROUTED ON TOP OF BLEED AIR LINE, ROUTED EVA TUBING CORRECTLY,

Parts most often named Skin (9) · Attach Fitting (2) · Flap Track (2) · Flap (1)

PREFLIGHT HEARD LOUD GRINDING SOUND COMING FROM LEFT FLAP. MAINTENANCE REPLACED FLAP HARDWARE. OPERATION CHECKS WERE GOOD. AIRCRAFT WAS RETURNED TO [S/N removed].

DURING THE SCHEDULED 200 HOUR INSPECTION, MX FOUND A GOOD SIZED HOLE ON THE TOP OF THE LT INBD FLAP. THE CREW DIDN'T NOTICE IT BECAUSE THE DAMAGE WAS DIRECTLY UNDERNEATH THE WING LOCKER & UNNOTICEABLE WITH THE FLAPS UP. R & R THE LT INBD FLAP ASSEMBLY. ACFT WAS RETURNED TO [S/N removed].

DURING INSPECTION, FOUND TAIL OF WING LOCKER HARDWARE CAUSING DAMAGE TO THE UPPER SKIN OF THE LT INBD FLAP ASSEMBLY. THE FLAP ASSEMBLY WAS REMOVED & SENT FOR REPAIR. FLAP ASSEMBLY WAS RE-INSTALLED. COMPLIED WITH [S/N removed] BULLETIN SB-14-BC-01 FOR WING LOCKER HARDWARE REPLACEMENT DUE TO SIZING. ACFT WAS RETURNED TO [S/N removed].