N81992

Part: TRANSMISSION — MAKING METAL

TRANSMISSION MAKING METAL. REPAIRED.

Part: SHAFT — WORN (TAIL ROTOR)

BEARINGS SPIN ON SHAFT. REPLACED SHAFT P/N 1121-31526, S/N 705 DUE TO BORES WORN; BEARINGS P/N BB1B649616B (4 EACH) DUE TO CORROSION; SLEEVE P/N 1121-31521.05 (4 EACH) DUE TO WORN; SPRING PIN P/N 1121-31521.12 (3 EACH) DUE TO CORROSION; NUTS P/N LN9348-05 (3 EACH) DUE TO WORN.

Part: SEAL — TORN (GEARBOX) · airframe 7,321 hrs

ENGINE REMOVED DUE TO MAKING METAL ON TEST CELL. FOUND NEW SEAL LIP TORN AND LEAKING.

Part: BATTERY — MALFUNCTIONED (MAIN)

WHEN UNIT WAS FUNCTION CHECKED UPON INSTALLATION BOTH "BATT 50" AND "BATT 60" LIGHTS WERE ILLUMINATED. REPAIRED.

Part: GPS — MALFUNCTIONED (COCKPIT) · airframe 7,002 hrs

GPS RECEIVER RANDOMLY SKIPS WAYPOINTS WHEN THE WPT BUTTON IS DEPRESSED. PERFORMED PRELIMINARY INSPECTION. REPLACED "WPT", "NAV", "MSG" SWITCHES. REPAIRED. BENCH CHECK GOOD.

Part: INDICATOR — MALFUNCTIONED (DUAL FUEL PRESS)

NR 1 ENGINE FUEL PRESSURE READING ON NR 2 SIDE OF GAUGE. NR 2 ENGINE FUEL PRESSURE READING ON NR 1 SIDE OF GAUGE.

Part: BLADE — DAMAGED (MAIN ROTOR)

THE NR 2 INBOARD ABRASION STRIP ON MAIN ROTOR BLADE HAD SEPARATION ON THE INBOARD END OF THE STRIP.

Part: BELLCRANK — CORRODED (FLIGHT CONTROL)

FOUND CORROSION BEYOND LIMITS ON BELLCRANK. SCRAPPED BELLCRANK AND REPLACED WITH SERVICEABLE BELLCRANK.

Part: GPS 150 — MALFUNCTIONED (COCKPIT)

GPS 150 DISPLAYS BATTERY DEAD MESSAGE.

Part: TRANSMISSION — MAKING METAL (MAIN ROTOR)

TRANSMISSION MAKING METAL.

Part: GEARBOX — MAKING METAL (ENGINE)

ENGINE REMOVED DUE TO METAL. INSPECTION OF GEARBOX REVEALED: PULLED COMPRESSOR MOUNT INSERT AS MARKED AND BRONZE LIFTING ON GEARBOX FORWARD AND AFT PTO BORES.

Part: TRANSMITTER — MALFUNCTIONED (FUEL SYSTEM)

TRANSMITTER FLUCTUATES AND TRANSMITS LOW OUT OF TOLERANCE.

Part: GPS — MALFUNCTIONED (COCKPIT)

TWO YEAR INSPECTION. PERFORMED PRELIMINARY INSPECTION AND FOUND LOW BATTERY VOLTAGE AND ALSO FOUND CLR AND DIRECT TO BUTTONS BECOMING UNREADABLE.

Part: BEARING — UNBONDED (MIXING LEVER)

TEFLON LINER UNBONDED AND BEARING VERY STIFF. UNABLE TO MOVE INNER RACE. REPLACED WITH NEW BEARING.

Part: TRANSMITTER — FAILED (FUEL IND)

TRANSMITS HIGH OUT OF TOLERANCE THROUGHOUT.

Part: INDICATOR — FAILED (TRIPLE TACH)

TRIPLE TACH HAS NO INDICATION.

Part: INDICATOR — INOPERATIVE (COCKPIT ATTITUDE)

ATTITUDE INDICATOR INOPERATIVE.

Part: INDICATOR — DEFECTIVE (ENG RPM TACH)

NO. 2 ENGINE N2 WILL NOT GO ABOVE 60% WHEN ENGINE IS AT 100%.

Part: ALTIMETER — ERROR (COCKPIT ENCODER)

ENCODER TRANSMITS 13,400 FEET WITH NO PRESSURE APPLIED.

Part: NOZZLE — CRACKED (1ST STAGE)

ENGINE REMOVED TO COMPLY WITH TURBINE 1750 HOUR INSPECTION. UPON INSPECTION OF TURBINE PARTS NOTED: BURNT AND CRACKED BEYOND SERVICEABLE LIMITS ON #1 NOZZLE VANES AND CRACKED OUTER BAND. INSTALLED NEW #1 NOZZLE.

Part: WHEEL — DEFECTIVE (TURB 1ST STAGE)

TURBINE REMOVED DUE TO METAL IN OIL AND HIGH CYCLED #1 AND #2 WHEELS. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: MINOR SULFIDATION ON 75% OF TRAILING EDGE OF WHEEL. SCRAPPED #1 WHEEL.

Part: BLADE — SEPARATED (M/R)

BLADE HAS THE NUMBER TWO CENTER LEADING EDGE STRIP SEPARATED 62MM ON THE INBOARD END TOP SURFACE.

Part: TRANSPONDER — FAILED (COCKPIT ATC)

TRANSPONDER WILL NOT REPLY. REPLACED DEFECTIVE V101 CAVITY OSCILLATOR. REPAIRED UNIT. BENCH CHECK GOOD.

Part: HEX.BOLT — DAMAGED (M/R)

HEAD OF BOLT IS CRACKED AT ONE CORNER OF WENCH FLATS. SEEMS TO BE CAUSED BY CORNER BEING HIT OR WRENCH SHIPPING. INSTALLED SERVICEABLE BOLT.

Part: TRANSMITTER — READS HIGH (FUEL PRESS)

FUEL PRESSURE READING HIGH.

Part: TRANSCEIVER — WONT TEST (COCKPIT ATC)

NO SELF TEST. REPLACED SWITCH BOARD ASSEMBLY P/N 200-0381-01. REPAIRED. ADJUSTED PULSE WIDTH AND FREQUENCY. BENCH CHECK GOOD.

Part: BLADE — CRACKED (M/R)

CRACKS IN THE NOSE AND NECK SHELL AT THE ROOT END.

Part: BLADE — CRACKED (M/R)

CRACKS IN THE NOSE AND NECK SHELL AT THE ROOT END.

Part: TRANSCEIVER — DEFECTIVE (COCKPIT ATC)

BENCH CHECK REQUIRED. INSPECTED AND TESTED. REPLACED CAVITY TUBE V101 DUE TO LOW POWER OUT. REPAIRED. ADJUSTED FREQUENCY AND ALIGNED RECEIVER. CLEANED CONTACTS ON ALL WAFERS. BENCH CHECK GOOD.

Part: BLADE — SEPARATION (T/R)

SEPARATION OF RUBBER NEAR END CAP. REPLACED WITH 2 EACH NEW BLADES. S/N 009 & 011

Part: INDICATOR — DEFECTIVE (MAST MOMENT)

INDICATOR FLUCTUATES.

Part: TRANSMITTER — DEFECTIVE (M/R MAST)

TORQUE FLUCTUATES.

Part: REGULATOR — MALFUNCTION (DC VOLTS)

COULD NOT ADJUST OVERVOLTAGE. REPLACED Q4 TRANSISTOR P/N 03-0044-28, R65 RESISTOR P/N 05-508624. BENCH CHECK GOOD.