N137AE

Part: INDICATOR — INOPERATIVE (TRIPLE TACH)

TRIPLE RPM INDICATION - ALL THREE NEEDLES INOPERATIVE.

Part: INDICATOR — FAILED (MAST MOMENT)

MAST MOMENT WILL NOT INDICATE WITH ROTOR RUNNING.

Part: TRANSMITTER — FAILED (MAST MOMENT)

TORQUE TRANSMITTER WILL NOT INDICATE WITH ROTOR RUNNING.

Part: PUMP — MALFUNCTIONED (FUEL SYSTEM)

BYPASS VALVE NOT SEALING CLOSED.

Part: TRANSCEIVER — MALFUNCTIONED (COCKPIT)

INTERMITTENT OUTPUT FUNCTION SELECTOR KNOB ON TRANSCEIVER IS SUSPECTED SOURCE OF PROBLEM.

Part: GPS — FAILED (COCKPIT)

GPS LOSES WAYPOINTS. FOUND UNIT LOSES WAYPOINTS WHEN UNIT IS TURNED OFF AWHILE. PLACED UNIT IN FREEZER AND LOST DATA MESSAGE CAME UP.

Part: GPS — FAILED (COCKPIT)

2 YEAR INSPECTION DUE. PERFORMED PRELIMINARY INSPECTION. FOUND BACKUP BATTERY TO BE DEAD AND ALSO FOUND PLASTIC ON SIDE OF UNIT TO BE CRACKED.

Part: INDICATOR — STICKS (SINGLE RPM)

RPM INDICATOR NEEDLE HAS STICKY OPERATION.

Part: ANTENNA — DEFECTIVE (RADAR ALT)

ERRATIC ALTIMETER OPERATION.

Part: COUPLING — WORN (ENG N1)

ENGINE REMOVED DUE TO TURBINE INSPECTION. UPON INSPECTION OF TURBINE PARTS NOTED: STEP WEAR BEYOND SERVICEABLE LIMITS ON N1 COUPLING SPLINES (FAILED NO-GO GAUGE) INSTALLED A NEW N1 COUPLING.

Part: ALTIMETER — ERRATIC (COCKPIT)

ERRATIC RADAR ALTIMETER OPERATION.

Part: ANTENNA — BROKEN (RADAR ALTIMETER)

RADAR ALTITUDE FLUCTUATES ON GROUND. FOUND BNC BROKEN OFF AND GASKET MISSING.

Part: TRANSMITTER — DEFECTIVE (MAST MOMENT)

MANT MOMENT INDICATOR LIGHT FLICKERS.

Part: INDICATOR — DEFECTIVE (MAST MOMENT)

MAST MOMENT INDICATOR LIGHT FLICKERS.

Part: TRANSCEIVER — FAILED (COCKPIT)

TRANSCEIVER RECEIVES, BUT WILL NOT TRANSMIT.

Part: DISC — WARPED (ROTOR BRAKE)

WARPED. SCRAPPED PART. REPLACED WITH SERVICEABLE PART.

Part: TRANSMITTER — INTERMITTENT (FUEL PRESS)

FUEL PRESS TRANSMITTER TRANSMITS INTERMITTENTLY.

Part: VALVE — DEFECTIVE (FUEL SYS)

DOES NOT SHUT COMPLETELY OFF ELECTROCUTES WHEN WET.

Part: TRANSPONDER — FAILED (COCKPIT ATC)

TOWER REPORTS TRANSPONDER INOPERATIVE. LIGHT NOT FLASHING, NO PRIMARY OR MODE C. REPLACED DEFECTIVE MIXER DIODE CR202. REPOSITIONED COMPONENTS IN OSCILLATOR FOR GOOD SENSITIVITY AT TURN ON. UNIT BENCH CHECK GOOD.

Part: GEARBOX COVER — LEAKING (ACCY DRIVE)

ENGINE REMOVED DUE TO AFT TORQUE METER LEAK. UPON INSPECTION OF GEARBOX PARTS NOTED: TM BORE TO BUSHING HAS A LINE TO LINE FIT ON COVER ASSEMBLY. INSTALLED A PHI REWORKED GEARBOX COVER.

Part: TUBE ASSY — FAIL CHECK (GEAR BOX)

ENGINE REMOVED DUE TO IN FLIGHT FAILURE. UPON INSPECTION OF GEARBOX PART NOTED: TUBE ASSEMBLY FAILED DIMENSIONAL CHECK PER CEB1307. INSTALLED A NEW TUBE ASSEMBLY.

Part: TRANSCEIVER — WEAK (COCKPIT)

PILOT COMPLAINT OF WEAK SIGNAL. FOUND RECEIVE WEAK AND POWER OUT LOW, ADJUSTED V101. NO HELP. REPLACED V101 CAVITY OSCILLATOR. REPAIRED. ADJUSTED PULSE WIDTH AND FREQUENCY, PLACED IN FREEZER, HEATED AND VIBRATED. BENCH CHECK GOOD.

Part: TRANSCEIVER — INOPERATIVE (COCKPIT)

TRANSCEIVER INOPERATIVE. (MULTIPLE INTERMITTENT PROBLEMS)