N2764F

Part: INDICATOR — STICKS (TOT)

TOT INDICATOR'S NEEDLE STICKS UP AND DOWN SCALE.

Part: FLOAT — LEAKING (MLG)

FLOAT BAG ASSEMBLY WILL NOT STAY INFLATED.

Part: SKIN — DELAMINATED (STAB ASSY)

STABILIZER ASSEMBLY SEPARATED AND DELAMINATED ON LOWER SIDE.

Part: EXHAUST — CRACKED (ENGINE)

EXHAUST ASSY CRACKED.

Part: CARBON SEAL — WORN (ENG COMP)

ENGINE REMOVED DUE TO COMPRESSOR HIGH TIME IMPELLER. INSPECTION OF COMPRESSOR PARTS REVEALED: WORN BEYOND SERVICEABLE LIMITS ON SEAL TANGS AND TANG SLOTS. INSTALLED A NEW SEAL.

Part: AIRSPEED IND — FAILED (COCKPIT)

EXCESSIVE LEAKAGE AND INDICATOR OUT OF TOLERANCE.

Part: RESTRAINT — WORN (XMSN)

TRANSMISSION RESTRAINT WORN BEARINGS.

Part: CYLINDER — LEAKING (M/R SERVO)

CYLINDER LEAKING AT FORWARD SEAL.

Part: GOVERNOR — STUD FAILED (ENGINE)

DURING INSTALLATION OF GOVERNOR, THE TOP MOUNTING STUD FOR THE GOVERNOR PULLED FROM THE GEARBOX AND PARTIALLY THROUGH THE GOVERNOR HOUSING. THE STUD PULLED THROUGH BEFORE NUT REACHED THE CORRECT TORQUE OF 70-85 INCH POUNDS. REPLACED HELICOIL IN ACCESSORY GEARBOX. REPLACED MOUNTING STUD AND REPLACED GOVERNOR.

Part: CHANNEL — CRACKED (TAILBOOM)

CRACKED FROM TACK RIVET HOLE WHERE TAILBOOM FITTING MOUNTS APPROXIMATELY 2 INCHES LONG TO BOTTOM OF FORWARD RIVETS WHERE FITTING ATTACHES. REPLACED WITH SERVICEABLE PART.

Part: PUMP — SHAFT WORN (M/R GR BOX)

SHAFT WORN IN SEAL RIDE.

Part: TRANSPONDER — KNOB BROKEN (COCKPIT ATC)

TRANSPONDER KNOB BROKEN OFF. PERFORMED PRELIMINARY INSPECTION. REPLACED KNOB. REPAIRED. REPLACED BLOWN FUSE F401 AND CAVITY TUBE V101 DUE TO LOW POWER OUT. ADJUSTED FREQUENCY, COOKED UNIT, VIBRATED AND PUT IN FREEZER. BENCH CHECK GOOD.

Part: INDICATOR — STICKS (COCKPIT)

LOAD INDICATOR NEEDLE STICKS AT TOP OF RANGE.

Part: VOLT REGULATOR — FAILED (DC SYS)

GENERATOR WILL NOT COME ON LINE. VOLTAGE REG MALFUNCTION

Part: INDICATOR — STUCK (COCKPIT)

LOAD NEEDLE STUCK ON HIGH SIDE. TIME SINCE REPAIR 0:00.

Part: TRANSPONDER — FAILED (COCKPIT ATC)

TRANSPONDER WILL NOT REPORT. CHECKED VOLTAGE, SWAPPED HALVES OF UNIT WITH A GOOD UNIT. VERIFIED PROBLEM ON LOCAL OSCILLATOR HALF OF UNIT. REPLACED V101 AND DID NOT HELP. SWAPPED MIXER DIODE. ALSO NO HELP.

Part: ENCODER — DEFECTIVE (ALTIMETER)

ENCODER UNIT HAS AN INCONSISTANT OUTPUT.

Part: LINK ASSY — DETERIORATED (XMSN MOUNT)

BEARING RUBBER IS DETERIORATED.

Part: GRIP — GREASE LEAK (M/R)

GREASE LEAKING. AT DISASSEMBLY FOUND RETAINERS UNBONDED. REBONDED WITH NEW EXCLUDERS AND ORINGS. S/N A5317 & A5310

Part: BEARING — FAILED (T/R CONTROL)

PILOT REPORTED LIMITED TRAVEL OF LEFT TAIL ROTOR PEDAL WITH LEFT PEDAL NOT REACHING THE NORMAL STOP POSITION. WITH REFERENCE TO BELL HELICOPTER 206L-1 IPC, FIGURE 64-1. FOUND 1 EACH ROLLER FROM BEARING ITEM #70 MISSING FROM BEARING CAGE. THE ROLLER WORKED ITS WAY DOWN CONTROL TUBE P/N 206-011-724-005 (ITEM #73) AND WAS FOUND LODGED IN THE SLOT OF THIS CONTROL TUBE. CONTROL TUBE MOVEMENT WAS LIMITED WHEN THE ROLLER CONTACTED THE KEY P/N 206-011-704-001 (ITEM #27). THE FACE OF THE KEYSHOWED PEENING MARKS FROM REPEATED CONTACT WITH THE ROLLER. REPLACED THE T/R GEARBOX ASSEMBLY AND PITCH CHANGE ASSEMBLY FOR INSPECTION AND REPAIR.

Part: TRANSCEIVER — DEFECTIVE (COCKPIT)

IDENT AND REPLY LIGHT WEAK. REPLACED V301 PHOTOCELL THAT WAS INOPERATIVE. ALSO REPLACED WEAK CAVITY OSCILLATOR V101, DETERIORATED RESISTOR R477 AND INSTALLED Q415 HEAT SINK. BENCH CHECK GOOD.