N4282Z

Part: CONTROL BOX — INOPERATIVE (WX RADAR)

WEATHER RADAR CONTROL BOX INOPERATIVE. WILL NOT DISPLAY.

Part: DISPLAY — INOPERATIVE (WX RADAR)

WEATHER RADAR WILL NOT DISPLAY.

Part: FUEL CONTROL — MALFUNCTIONED (ENGINE) · airframe 11,463 hrs

START ACCEL ADJUSTMENT FROZEN. REPLACED WITH SERVICEABLE FUEL CONTROL.

Part: INDICATOR — INTERMITTENT (COCKPIT)

INTERMITTENT DISPLAY.

Part: SERVO VALVE — STUCK (MAIN ROTOR) · airframe 11,063 hrs

SLIDE AND SLEEVE ASSY (SERVO VALVE) HAS STICKY MOVEMENT. REPLACED WITH SERVICEABLE ASSY.

Part: COUPLING — CORRODED (N1)

RECEIVING INSPECTION REVEALED PART NOT PRESERVED AT MANUFACTURER CAUSING RUST. CLEANED, INSPECTED AND PRESERVED PART.

Part: GPS RECEIVER — FAILED TEST (COCKPIT)

WARNING FLAG ON ALL THE TIME. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT TO FAIL GPS TEST.

Part: PINGER — FAILED (LOCATOR BEACON)

BEACON FAILED BATTERY TESTING DUE TO LOW VOLTAGE.

Part: RECEIVER — MALFUNCTIONED (COCKPIT GPS)

WARNING COMES UP, BATTERY LOW AND GPS UNRELIABLE.

Part: GYRO — MALFUNCTIONED (COCKPIT)

FLAG WILL NOT PULL. POWER FAILURE FLAG ADJUSTMENT IS SET TOO HIGH (24.1 VOLTS). POWER FAILURE FLAG SHOULD BE SET AT 22.5 VOLTS.

Part: RELAY — STUCK (DC SYS)

STUCK CLOSED AFTER INSTALLATION. RESET RELAY AND TRIED AGAIN, UNIT THEN STARTED SMOKING. REPLACED WITH SERVICEABLE RELAY SYSTEM.

Part: PUMP — LEAKING (GEAR BOX)

SEAL LEAKING-SHAFT WORN.

Part: PUMP — FAILED (ENG FUEL)

FUEL PUMP FAILED SPLINE BACK LASH TEST, AS PER CEB A73-3091.

Part: REGULATOR — FAILED (DC GEN SYS)

GENERATOR WILL NOT COME ON LINE.

Part: TRANSCEIVER — DEFECTIVE (COCKPIT ATC)

3RD DIGIT OFF WITH "1" SELECTED. ATC SHOWS "5". PERFORMED PRELIMINARY INSPECTION, COULD NOT DUPLICATE PROBLEM. FOUND UNIT STAYS "ON" IN "OFF" FUNCTION. TROUBLESHOT AND FOUND Q2 TRANSISTOR BAD. SENT TO ALLIED SIGNAL AVIONICS FOR INSPECTION AND REPAIR.

Part: ELEVATOR ASSY — SEPARATED (LT ELEV)

LT ELEV ASSY SEPARATED BEYOND LIMITS.

Part: ELEVATOR ASSY — CORRODED (RT ELEV)

RT ELEV ASSY CORRODED BEYOND REPAIR AT THIS STATION.

Part: FUEL NOZZLE — ERRODED (ENGINE)

FUEL NOZZLE REMOVED DUE TO ENGINE NOT STARTING. INSPECTION OF FUEL NOZZLE PARTS REVEALED: ERODED BEYOND SERVICEABLE LIMITS ON FUEL NOZZLE INNER SPRAY TIP. INSTALLED A PHI OVERHAULED FUEL NOZZLE S/N 0729.

Part: FIN ASSY — SEPARATION (FIN TE)

FIN ASSY HAS SEPARATION ON TRAILING EDGE.

Part: TRANSCEIVER — FAILED (COCKPIT)

NO VISUAL READ OUT. REPLACED DS901 DISPLAY. REPAIRED. BENCH CHECK GOOD.

Part: RECEIVER — DEFECTIVE (COCKPIT)

DISPLAY AND BEARING INOPERATIVE, BUTTONS INTERMITTENT AND STICKY.

Part: VOLT REGULATOR — DEFECTIVE (DC SYS)

GENERATOR WILL NOT COME ON LINE.

Part: REGULATOR — MALFUNCTION (DC VOLTS)

WHEN VHF IS KEYED, AIRCRAFT VOLTAGE DROPS BY 4 VOLTS.

Part: TRANSCEIVER — DEFECTIVE (COCKPIT)

NO LED AFTER 20 MINUTES OF FLIGHT. ALSO WENT DEAD, AFTER SHUTOFF FOR 5 MINUTES NO LED BUT COULD T/R ON LOST SET FREQUENCY. FOUND DISPLAY BOARD BURNT. REPLACED DISPLAY BOARD. NO HELP. REPLACED TRANSISTOR Q507. NO HELP. REPAIRED OPEN RUN FROM COLLECTOR OF Q503 TO LEG 1 OF TRANSFORMER T501. STILL NO DISPLAY. REPLACED DIODES CR504 AND CR505 AND TRANSFORMER T501.REPAIRED. ADJUSTED SQUELCH AND SIDETONE. TOUCHED UP FACEPLATE WITH BLACK PAINT. BENCH CHECK GOOD.

Part: ALTIMETER — STICKS (COCKPIT)

ALTIMETER NEEDLE INTERMITTENTLY STICKS THROUGHOUT SCALE. TIME SINCE REPAIR 81:50.

Part: TRANSCEIVER — INOPERATIVE (COCKPIT)

TRANSPONDER INOPERATIVE. UNIT WOULD DRAW EXCESSIVE CURRENT. FOUND V101 CAVITY OSCILLATOR TO BE PROBLEM. REPLACED V101 CAVITY AND ALSO REPLACED WEAK V301 PHOTODETECTOR. BENCH CHECK GOOD.