N14MV

BEECH 99 No injuries Part 135 — Alpine Aviation, Inc.

Operated by ALPINE AVIATION (per NTSB report)

ATA 3230

Part: SWITCH — INTERMITTENT (ZONE 100) · airframe 46,088 hrs · 56,081 cycles

LANDING GEAR DID NOT RETRACT WHEN SELECTED. INSPECTION DETERMINED THAT ONE OF THE ELECTRICAL SWITCHES ON THE SERVICE VALVE WAS INTERMITTANT.

ATA 3230

Part: RELAY — FAILED (MLG) · airframe 44,834 hrs · 54,645 cycles

WHEN LANDING GEAR WAS SELECTED DOWN, THE GEAR FAILED TO EXTEND NORMALLY. LANDING GEAR CIRCUIT BREAKER HAD TRIPPED. MANUAL GEAR EXTENSION PROCEDURE WAS USED. PILOT MADE AN UNEVENTFUL LANDING. INSPECTION REVEALED THAT THE LANDING GEAR MOTOR RELAY HAD HIGH RESISTENCE, CAUSING THE TIME-RELAY CIRCUIT TO OPEN THE CIRCUIT BREAKER.

ATA 5521

Part: RIB — CRACKED (LT ELEVATOR) · airframe 43,501 hrs · 52,982 cycles

INSPECTION REVEALED 3 CRACKS IN THE LT ELEVATOR LE RIB. THE RIB WAS REPLACED WITH A NEW RIB.

ATA 2435

Part: COVER — BURNED (RT STARTER GEN)

THE RT ENGINE WAS REPORTED TO BE THROWING SPARKS OUT THE LOWER PORTION OF THE COWL. UPON INVESTIGATION, THE STARTER GEN WAS FOUND TO HAE BURN SPOTS ON THE BRUSH BAND COVER. THE STARTER GEN WAS REMOVED AND A SERVICEABLE STARTER GEN WAS INSTALLED. UPON FURTHER INVESTIGATION OF THE REMOVED STARTER GEN, IT WAS DETERMINED THAT THE BAND WAS MISSING THE INSULATION STRIP. BRUSH WIRES WERE SHORTED TO THE BAND. STARTER GEN WAS LOW TIME. IT IS LIKELY THAT THE INSULATION WAS NOT INSTALLED AT THE OVERHAUL FACILITY. (K)

ATA 2612

Part: FIRE DETECTOR — CONTAMINATED (LT ENGINE)

FIRE DETECTOR GAVE A FALSE FIRE WARNING IN FLIGHT. MOISTURE WAS PROBABLE CAUSE. AFTER TAXI, THE FIRE WARNING LIGHT EXTINGUISHES. NO OTHER PROBLEMS WITH THE SYSTEM. (K)

ATA 3233

Part: ACTUATOR — LEAKING (MLG)

THE AIRCRAFT HAD NEEDED INFREQUENT SERVICING OF THE HYD. FLUID RESERVOIR AND YET NO LEAKS HAD BEEN DISCOVERED. SINCE THE AMOUNT OF FLUID ADDED HAD NEVER BEEN AN ALARMING AMOUNT, THE AIRCRAFT HAD ALWAYS BEEN RETURNED TO SERVICE. THE LEAK OF HYD. FLUID WAS DISCOVERED ON A POST FLIGHT INSPECTION AND REPORTED TO MAINTENANCE. IT WAS DETERMINED THE RIGHT MAIN LANDING GEAR ACTUATOR SHAFT SEAL WAS THE SOURCE OF THE HYD LEAK. THE ACTUATOR WAS REPLACED AND THE REMAINING ACTUATORS INSPECTED FOR POTENTIAL LEAKS. NO OTHER DISCREPANCIES FOUND.

ATA 3020

Part: INLET — BURNED (DEICER)

DURING A POST INSPECTION CHECK OF AIRCRAFT SYSTEMS, IT WAS DETERMINED THE LEFT ENGINE INLET DEICER WAS INOPERATIVE. A CLOSE INSPECTION OF THE SURFACE OF THE DEICER REVEALED IRREGULAR BULGING AND INDICATORS OF HIGH HEAT. THE DEICER WAS REPLACED AND THE REST OF THE SYSTEM INSPECTED FOR OTHER PROBLEMS. NO OTHER DISCREPANCY WAS FOUND. AGE WAS MORE THAN LIKELY THE CAUSE OF THE CONDITION. BY EXPERIENCE AND CLOSE INSPECTION OF THE SURFACE OF THE DEICER, THE PROJECTED LIFE IS EASILY DETERMINED.

ATA 5230

Part: LATCH — WORN (CARGO DOOR)

NOSE BAGGAGE DOOR LATCH CLOSES DOOR, BUT LATCH PIVOT IS WORN ELONGATED. REPLACED LATCH WITH SERVICEABLE LATCH. THE LATCH APPEARS TO HAVE BEEN ON THE AIRCRAFT QUITE A WHILE SO THIS WEAR MAY HAVE BEEN NORMAL. INSPECTION OF OTHER LATCHES REVEALED NOTHING ABNORMAL. PROPER LUBRICATION OF LATCHES WAS DISCUSSED WITH MAINTENANCE.

ATA 2730

Part: TAPER PINS — LOOSE (TORQUE TUBE)

INSPECTION OF ELEVATOR TORQUE TUBE REVEALED LOOSE TAPER PINS ATTACHING THE TUBE TO THE COLLAR. ENTIRE TORQUE TUBE ASSEMBLY WAS REPLACED WITH A SERVICEABLE UNIT. THE MM PROVIDES LIMITED CRITERIA FOR RESTORING ORIGINAL SECURITY BETWEEN TUBE AND COLLAR. PERHAPS USING A TAPERED REAMER TO REMOVE A SMALL QUANTITY OF MATERIAL COULD RETURN TUBE ASSEMBLY TO ORIGINAL SECURITY.

ATA 5751

Part: SKIN — CRACKED (RT AILERON)

INSPECTION REVEALED TOP SIDE SKIN OF RIGHT AILERON CRACKED. REPLACED AILERON WITH SERVICEABLE AILERON WHILE ORIGINAL IS REPAIRED. SUBMITTER STATED IT APPEARED THE CRACK MAY HAVE BEEN THE RESULT OF AN IMPROPERLY INSTALLED OR SECURED EXISTING SURFACE DOUBLER. BEECHCRAFT RECOMMENDED THE APPLICATION OF SURFACE STRUCTURAL EPOXY WHEN APPLYING DOUBLERS TO AILERONS (EA 9309).

ATA 3244

Part: TIRE — FAILED (MLG)

THE TIRE TREAD CAP SEPARATED FROM TIRE ON NEWLY RECAPPED TIRE, 24 TOTAL CYCLES ON TIRE.

ATA 7321

Part: FUEL CONTROLLER — FAILED (RT ENGINE)

FUEL CONTROLLER FAILED IN-FLIGHT AND DROPPED FUEL PRESSURE TO MIN-FLOW.