N3905B

Part: BLADE — CORRODED (MAIN ROTOR) · airframe 24,309 hrs

BLADE HAS A BULGE OVER THE SPAR AT STA. 96.25 INCHES ON THE UPPER SURFACE WHICH APPEARS TO BE EXFOLIATION. BLADE HAS EXCESSIVE CORROSION AND SEPARATION ON THE LOWER SURFACE NEAR THE TIP.

Part: ELEMENT — BYPASSING (ENGINE OIL) · airframe 24,119 hrs

FACET FILTER IN BYPASS CONDITION. SCRAPPED AND REPLACED FILTER.

Part: GPS — FAILED (COCKPIT) · airframe 24,158 hrs

FAILED DUMPING ALL WAYPOINTS, RECEIVER AND BATTERY BACK UP FAIL KEPT FLASHING IN MESSAGE MODE. REPLACED WITH SERVICEABLE PART.

Part: TRANSCEIVER — BROKEN (VHF COMMS) · airframe 24,069 hrs

SELECTOR KNOB BROKEN INTERNALLY. PERFORMED PRELIMINARY INSPECTION. FOUND FACEPLATE BAD. REPLACED FACEPLATE. REPAIRED. CLEANED CODE SELECTOR WAFER SWITCHES. ALIGNED IF SECTION. UNIT BENCH CHECK GOOD.

Part: INDICATOR — FLUCTUATES (TOT) · airframe 23,516 hrs

FLUCTUATES WHEN VHF IS KEYED. SENT TO MASCO FOR INSPECTION AND REPAIR.

Part: CARTRIDGE — FAILED (BOOST PUMP) · airframe 23,638 hrs

LEFT HAND FUEL BOOST PUMP CARTRIDGE FAILED.

Part: INDICATOR — STICKING (COCKPIT)

INDICATOR NEEDLE STICKING.

Part: INDICATOR — STICKING (COCKPIT)

INDICATOR STICKING BELOW 10 PERCENT.

Part: FUEL PUMP — WORN (ENGINE)

FUEL PUMP HAD EXCESSIVE STEP WEAR ON SPLINE.

Part: ADAPTER — WORN (SPUR GEAR)

ENGINE REMOVED DUE TO CRACKED EXHAUST COLLECTOR. COMPRESSOR REPAIRED DUE TO WHINE BETWEEN 10 PERCENT AND 35 PERCENT TORQUE. INSPECTION OF COMPRESSOR PARTS REVEALED SPUR GEAR SHAFT AFT SPLINES FAILED NO-GO GAUGE CHECK. INSTALLED A NEW SPUR GEAR SHAFT.

Part: REGULATOR — MALFUNCTIONED (DC SYSTEM)

VOLTAGE REGULATOR CAUSES STARTER/GENERATOR TO LOCK-UP IN START MODE.

Part: TRANSDUCER — DEFECTIVE (FUEL PRESSURE)

TRANSDUCER HIGH OUT OF TOLERANCE.

Part: RELAY — DAMAGED (DC SYSTEM)

RELAY HAS BROKEN SCREW, MISSING ROD.

Part: INDICATOR — MALFUNCTIONED (COCKPIT)

DUAL INDICATOR'S LIGHTING IS INOPERATIVE.

Part: TRANSPONDER — FAILED (COCKPIT)

TRANSPONDER HAS INOPERATIVE MODE A.

Part: MOUNT — MISLOCATED (FLOAT)

MOUNTING SKIRTS ON FLOAT BAG MISLOCATED.

Part: INDICATOR — READS HIGH (COCKPIT)

TOT INDICATOR READS HIGH AFTER WARM-UPS.

Part: LINK ASSY — CORRODED (M/R HEAD)

LINK ASSY HAS CORROSION AROUND END FITTING. SCRAPPED AND REPLACED WITH SERVICEABLE PART.

Part: CHANNEL — DISTORTED (FUSELAGE)

FUSELAGE CHANNEL HAS EXCESSIVE BOW AT CENTER.

Part: DISC — CORRODED (T/R DRIVE)

T/R DRIVE HAS PITTING (CORROSION) AROUND BOLT HOLES. REPLACED WITH NEW DISCS.

Part: BLOWER IMPELLER — CORRODED (COOLING FAN)

BLOWER IMPELLER HAS EXCESSIVE CORROSION. SCRAPPED AND REPLACED WITH NEW ASSY.

Part: BELLCRANK ASSY — CHAFED (ANTI TORQUE)

BELLCRANK CHAFFED AT ROD END ATTACH AREA. REPLACED BELLCRANK WITH SERVICEABLE PART.

Part: HOSE ASSY — CLOGGED (EXH DRAIN)

CLOGGED EXH COLLECTOR DRAIN HOSE. REPLACED WITH NEW HOSE.

Part: INDICATOR — FAILED (ENG OIL)

INDICATOR INOPERATIVE-DOES NOT WORK. INDICATOR WAS REMOVED FROM BOWL AND CLEANED. INSTALLED INDICATOR BACK ON BOWL, TESTED AND INDICATOR STILL DIDN'T WORK.

Part: LINK ASSY — DEBONDED (M/R XMSN)

UPPER BEARING RUBBER COATING COMING OFF.

Part: RESTRAINT — BEARING WORN (TRANSMISSION)

RESTRAINT BEARINGS WORN.

Part: TRANSCEIVER — FAILED (COCKPIT VHF)

TRANSCEIVER WILL NOT RECEIVE OR TRANSMIT.

Part: TACH GENERATOR — SHAFT STUCK (OIL PUMP)

SHAFT STUCK ON OIL PUMP. SHAFT SPLINES BAD.

Part: GYRO — DEFECTIVE (COCKPIT DG)

UNIT PRECESSING AND SLAVE SYSTEM INOPERATIVE.

Part: WHEEL — BLADE CRACKED (3RD STAGE)

ENGINE REMOVED DUE TO 3RD STAGE TURBINE WHEEL INSPECTION. 3RD STAGE WHEEL RETURNED TO ALLISON FOR INSPECTION PER LETTER C1245F-RMG-1195. ZYGLO INSPECTION REVEALED ONE EACH BLADE CRACKED 3/32" FROM HUB L/E 3/16" LONG, AND ONE EACH BLADECRACKED 1/8" FROM SHROUD L/E 3/16" LONG. INSTALLED SERVICEABLE 3RD STAGE WHEEL.

Part: BEARING — DEFECTIVE (T/R HUB)

2 EACH BEARINGS CRACKED; ONE EACH BEARING WORN BEYOND LIMITS AND ONE EACH BEARING ANODIZED COATING WORN OFF.

Part: WHEEL — SULFIDATION (1ST STAGE BLADE)

ENGINE REMOVED DUE TO TURBINE OVERHAUL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: MINOR SULFIDATION ON 1ST STAGE WHEEL BLADES. SCRAPPED 1ST STAGE WHEEL.