N392LG

Part: INDICATION SYS — FAILED (VEMD) · airframe 8,863 hrs

VEMD LANE 1 FAILED IN FLIGHT.

Part: UNKNOWN — MALFUNCTIONED (ELECTRICAL SYS) · airframe 8,800 hrs · 29,640 cycles

WHILE EN-ROUTE, THE ACFT EXPERIENCED A MOMENTARY COMPLETE LOSS OF ELEC POWER THAT LASTED ABOUT 2 SECONDS, THEN RETURNED TO NORMAL WITH AN AMBER GOV LIGHT ILLUMINATED. WE RETURNED TO BASE FOLLOWING THE EMER PROCEDURE FOR AN AMBER GOV LIGHT & LANDED WITHOUT INCIDENT. INSPECTED & CLEANED ALL ELEC CONNECTORS ON THE DECU, GEN & BATTERY. ACFT WAS GND RUN & FLIGHT CHECKED & COULD NOT DUPLICATE. ACFT WAS RETURNED TO SERVICE.

Part: GEARBOX — MAKING METAL (TAIL ROTOR) · airframe 6,679 hrs · 23,079 cycles

TAIL GEARBOX CHIP LIGHT ILLUMMINATED DURING FLIGHT. 3 MM CHIP WAS FOUND.

Part: STRUCTURE — CRACKED (VERTICAL STAB)

RT CRACK, THREE WORKING RIVETS. SUSPECT IMPROPERLY SHIMMED AT FACTORY INSTALLATION. NO SHIMS FOUND AT REMOVAL OF FIN. REPLACED WITH NEW UNIT CORRECTED PROBLEM.

Part: SKIN — CRACKED (VERTICAL STAB)

RT CRACK, THREE WORKING RIVETS. SUSPECT IMPROPERLY SHIMMED AT FACTORY INSTALLATION. NO SHIMS FOUND AT REMOVAL OF FIN. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.

Part: POWER SUPPLY — INOPERATIVE (EXTERIOR LIGHTS)

POWER SUPPLY BOX INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.

Part: BEARING — WORN (TAIL ROTOR)

ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACING WITH NEW UNIT FROM 1 EACH KIT CORRECTED PROBLEMS. 4 HALF SHELLS EQUALS 1 KIT.

Part: ARM — SEPARATED (STARFLEX)

STARFLEX ARM SEPARATION(RED BLADE). REPLACED WITH NEW UNIT, CORRECTED PROBLEM.

Part: PIN — WORN (M/R BLADE)

BLADE ASSEMBLY PIN WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (M)

Part: HOSE — LEAKING

HOSE LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNITS CORRECTED PROBLEM. (M)

Part: EXCITER — FRETTED (IGNITION SYS)

IGNITION EXCITER HE 931, FRETTING AND SEPARATION OF FLANKS. SEE SL2061/01/ARRIEL2/11. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.

Part: PRESSURE SWITCH — INOPERATIVE (FUEL SYSTEM)

LOW FUEL PRESSURE SWITCH IS INOPERATIVE. PIN 1 AND 2 FAILED CLOSING PSI. PIN 1 AND 3 NOTHING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (M)

Part: TRANSMITTER — INTERMITTENT (OIL SYSTEM)

OIL PRESSURE TRANSMITTER OPERATES INTERMITTENTLY, NO VEMD INDICATIONS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (M)

Part: IGNITER — WORN (IGNITION SYS)

IGNITER, WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.

Part: ALTIMETER — INOPERATIVE (COCKPIT)

ALTIMETER IS INOPERATIVE. READS 100 FEET TO 150 FEET LOW. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (M)

Part: BEARING — WORN (TAIL ROTOR)

ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT FROM 1 KIT P/N 355A09-1036-1 CORRECTED PROBLEM. FOUR HALF SHELLS EQUALS 1 KIT. (M)

Part: BALL JOINT — WORN (MAIN ROTOR)

LEFT THREAD BALL JOINT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (M)

Part: BALL JOINT — WORN (MAIN ROTOR)

TEFLON LINERS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT CORRECTED PROBLEM. (M)

Part: SUPPORT — WORN (MAIN ROTOR)

BRAKE LINING SUPPORT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (M)

Part: INVERTER — INOPERATIVE (ELELCTRICAL)

UNIT INOPERATIVE. NO AC OUT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.

Part: TUBE — CRACKED (AIR OIL VENT) · airframe 374 hrs

CRACKED BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.

Part: INVERTER — INOPERATIVE (AC SYSTEM)

UNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.

Part: JETTISON ROD — WEAK (DOOR) · airframe 353 hrs

DOOR JETTISON ROD WEAK. REPLACED WITH NEW UNIT, CORRECTED PROBLELM.

Part: POTENTIOMETER — INOPERATIVE (COCKPIT LIGHTS) · airframe 321 hrs

UNIT INOPERATIVE. NO INSTRUMENT OR PEDESTAL LIGHTS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.

Part: FRICTION RING — LEAKING

FRICTION RING LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.

Part: SUPPORT — WORN (ROTOR BRAKE)

ROTOR BRAKE SUPPORT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.

Part: SCISSORS — WORN (SWASHPLATE) · airframe 284 hrs

WORN BEYOND SERVICEABLE LIMITS. BUSHINGS SCORED. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.

Part: SPACER — WORN (SWASHPLATE) · airframe 284 hrs

WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNITS CORRECTED PROBLEM.

Part: DISPLAY — INTERMITTENT (COCKPIT)

UNIT OPERATES INTERMITTENTLY. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)

Part: BUSHING — SEIZED (MAIN ROTOR)

FOUND BUSHINGS LOCKED UP CAUSING DAMAGE TO THE SCISSORS HOUSING, PN 350A37-1126-02. FOUR NEW PARTS DID THE SAME THING. PARTS FROM ANOTHER AIRCRAFT WORKED OK. THE NEW PARTS WERE DAMAGED IN 2-5 HOURS. POSSIBLE CAUSE IS BUSHINGS IN THE NEW PARTS MAY HAVE BEEN MISALIGNED. (X)

Part: TRANSCEIVER — MALFUNCTIONED (COCKPIT)

UHF 155 TX FEEDBACK TO CREW. NEED M5 REVISION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)

Part: SCISSORS — WORN (MAIN ROTOR LINK)

BUSHINGS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)

Part: SCISSORS — DAMAGED (M/R SWASHPLATE)

BUSHINGS LOCKED UP CAUSING DAMAGE TO SCISSOR HOUSING. FOUR NEW PARTS DID SAME THING. INSTALLED PART FROM ANOTHER AC AND WORKED FINE. NEW PARTS DAMAGED IN 2.5 HOURS. SUBMITTER SUSPECTED BUSHINGS IN NEW PARTS TO BE MISALIGNED. (X)

Part: SPACER — WORN (SWASHPLATE)

BUSHINGS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)

Part: SPACER — WORN (SWASHPLATE)

BUSHINGS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)

Part: SCISSORS — WORN (MAIN ROTOR LINK)

BUSHINGS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)

Part: LINK — STUCK (SWASHPLATE)

BUSHING LOCKED UP. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)

Part: LINK — SCORED (SWASHPLATE)

LOWER SCISSOR LINK SCORED RESULTING FROM LOCKED LEVER BUSHING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)

Part: SPACER — WORN (SWASHPLATE)

SPACER WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)

Part: SPACER — WORN (SWASH PLATE)

SPACER WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)

Part: SCISSORS — WORN (SWASHPLATE)

BUSHING FROZE CAUSING EXCESS WEAR. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)

Part: BUSHING — WORN (SCISSOR LINK)

BUSHING FROZE CAUSING EXCESS WEAR. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)

Part: PITOT TUBE — INOPERATIVE (RAISING BLOCK)

PITOT TUBE ASSY (RAISING BLOCK) UNIT INOPERATIVE. WILL NOT HEAT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)

Part: GPS — MALFUNCTIONED (COCKPIT) · airframe 62 hrs

UNIT INOPERATIVE. CRSR WILL NOT SCROLL PAGES. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)