N6610Y

Part: GPS — MALFUNCTIONED (COCKPIT) · airframe 13,306 hrs

GPS RECEIVER DUMPS WAYPOINTS. REQUIRES CODE WHEN TURNED ON. PERFORMED PRELIMINARY INSPECTION. COULD NOT DUPLICATE PROBLEM. FOUND BATTERY GOOD. FOUND WPT AND AUX BUTTONS INTERMITTENT. REPLACED. REPAIRED. BENCH CHECK GOOD.

Part: CYLINDER — LEAKING (SERVO) · airframe 11,788 hrs

LEAKING AT REAR SEAL. REPLACED WITH SERVICEABLE SERVO.

Part: CONTROL BOX — FAILED (RADAR)

NO TARGETS DISPLAYED.

Part: CONTROL BOX — FAILED (RADAR) · airframe 11,858 hrs

WOULD NOT TRACK AIRCRAFT PROPERLY.

Part: INDICATOR — CONTAMINATED (FUEL PRESSURE)

FUEL QUANTITY INDICATOR HAD OIL BETWEEN THE GLASS.

Part: INDICATOR — FAILED (DUAL TACH)

TURBINE AND ROTOR NEEDLES SPLIT ON DUAL TACHOMETER.

Part: INDICATOR — FLUCTUATES (DUAL TACH)

DUAL TACHOMETER INDICATOR'S N2 NEEDLE FLUCTUATES.

Part: TRANSCEIVER — FAILED (VHF COMM)

TRANSCEIVER HAD CONSTANT SQUELCH.

Part: EXHAUST STACK — CRACKED (ENGINE)

MOUNTING FLANGE IS WARPED BEYOND USE, CRACK WAS NOTED AT REPAIR AREA.

Part: TUBE ASSY — CORRODED (MAIN ROTOR)

TUBE ASSEMBLY CORRODED BEYOND LIMITS. SCRAPPED AND REPLACED WITH SERVICEABLE TUBE.

Part: TRANSCEIVER — MALFUNCTIONED (COCKPIT)

TRANSCEIVER HAD CONSTANT SQUELCH.

Part: SKIN — CORRODED (VERTICAL STAB)

VERTICAL FIN CORRODED AND SEPARATED.

Part: POWER SUPPLY — DEFECTIVE (STROBE)

POWER SUPPLY DOES NOT FLASH AT CORRECT RATE.

Part: CYLINDER — LEAKING (CYCLIC)

CYLINDER LEAKING.

Part: INDICATOR — DEFECTIVE (DUAL TACHOMETER)

ROTOR AND TURBINE NEEDLES OSCILLATE ON DUAL TACHOMETER.

Part: ALTIMETER — INACCURATE (COCKPIT)

ALTIMETER HAS NEEDLE SPLIT 4-5 DEGREES.

Part: TORQUEMETER — STICKS (COCKPIT)

NEEDLE STICKING AND BOUNCING ON TORQUEMETER.

Part: CYLINDER — LEAKING (CYCLIC)

CYLINDER LEAKING.

Part: FLOAT — FAILED (MLG)

FLOAT BAG ASSEMBLY FAILED 6 MONTH PRESSURE TEST.

Part: FLOAT — SEPARATED (MLG)

FLOAT BAG ASSEMBLY HAS PLY SEPARATION.

Part: DISC SET — CRACKED (TAIL ROTOR)

DISC CORRODED AND CRACKED. REPLACED WITH SERVICEABLE ASSY.

Part: TRANSDUCER — CORROED (FUEL PRESSURE)

WHILE REMOVING FUEL PRESSURE TRANSDUCER, IT WAS NOTED THAT THE CANNON PLUG ATTACHED HAD BEEN EXPOSED TO VARIOUS CORROSIVE ELEMENTS AND HAD CORRODED TO THE EXTENT THAT THE PLUG COULD NOT BE REMOVED WITHOUT DAMAGING THE PLUG AND TRANSDUCER. REPLACED WITH SERVICEABLE CANNON PLUG AND TRANSDUCER.

Part: SKIN — CRACKED (HORIZ STAB)

FIN ASSEMBLY CRACKED AND SEPARATED.

Part: TORQUEMETER — MALFUNCTIONED (ENGINE)

TORQUEMETER STICKS AND FLUCTUATES.

Part: FUEL CONTROL — LEAKING (ENGINE)

AIR LEAKING FROM DERICH ADJUSTMENT. CAUSING EXCESSIVE ADJUSTMENT ON N2. INSPECTED UNIT WHEN RECEIVED IN SHOP. APPLIED SHOP AIR TO FUEL CONTROL AND LEAK CHECKED UNIT. FOUND NO LEAKS AT START DERICH SECTION AS STATED IN DESCRIPTION OF DIFFICULTY. NOTE: ONLY LEAK FOUND WAS AT THE PX BLEED COVER, AIR LEAKING FROM THIS COVER IS NORMAL. UNIT BENCH TESTED SATISFACTORY.

Part: INDICATOR — FAILED (DUAL TACH)

DUAL TACH ROTOR NEEDLE INOPERATIVE.

Part: PUMP — LEAKS (ENG FUEL)

RAN UNIT ON BENCH AS RECEIVED. FOUND EXCESSPUMP HAS EXCESSIVE SEAL DRAIN LEAKAGE.

Part: BATTERY — FAILED (DC SYS)

BATTERY HOT CAUTION LIGHT ILLUMINATED ON FIRST DAY OF OPERATION AFTER BATTERY INSTALLATION. REPLACED WITH SERVICEABLE BATTERY.

Part: REGULATOR — FAILED (DC SYS)

GENERATOR WOULD NOT COME ON LINE.

Part: INDICATOR — FAILED (ENG OIL)

INDICATOR WAS REMOVED FROM BOWL AND CLEANED. INSTALLED INDICATOR BACK ON BOWL, TESTED AND INDICATOR STILL DID NOT WORK. SCRAPPED INDICATOR AND REPLACED WITH SERVICEABLE PART.

Part: STOP ASSY — WORN (M/R XMSN)

STOP IS WORN.

Part: COUPLING — DAMAGED (ENG N1)

ENGINE REMOVED DUE TO TURBINE OVERHAUL. UPON INSPECTION OF TURBINE PARTS NOTED: MFG. TOOLING DAMAGED BEYOND SERVICEABLE LIMITS ON N1 COUPLING INTERNAL SPLINES. INSTALLED NEW N1 COUPLING.

Part: RESTRAINT — WORN (TRANSMISSION)

TRANSMISSION RESTRAINT WORN AND UNSTAKED BEARING.

Part: LORAN — INOPERATIVE (COCKPIT)

INOPERATIVE. (GOES OUT WHEN VIBRATED; ALSO DISPLAYS GARBAGE AT ALL TIMES) INSPECTED AND TESTED UNIT AND FOUND IT WOULD GO OUT COMPLETELY WHEN VIBRATED AND LOOSE PRESENT POSITION. ALSO, UNIT WOULD DISPLAY GARBAGE ON DISPLAY AT TIMES.

Part: LORAN — FAILED (COCKPIT)

LORAN LOCKS UP AND WILL NOT SELF TEST OR FUNCTION WHEN POWER IS RESET AND UNIT DROPS USER WAYPOINTS.

Part: INTERCOSTAL — DEFECTIVE (FUSELAGE)

IMPROPER RIVETS INSTALLED IN INTERCOSTAL. REPLACED WITH SERVICEABLE INTERCOSTAL.

Part: CYLINDER — LEAKING (M/R)

CYLINDER LEAKING.

Part: RESTRAINT — WORN EXCESSIVELY (TRANSMISSION)

XMSN RESTRAINT ROLL STAKE BEARING WORN.

Part: TRANSPONDER — DEFECTIVE (COCKPIT)

BENCH CHECK REQUIRED. INSPECTED AND TESTED TRANSPONDER. FOUND MTL TO BE BELOW SPECS. ALIGNED RECEIVER TO SPECS. REPAIRED PROBLEM. REPLACED PHOTOCELL V301 DUE TO WEAK REPLY LIGHT. REPAIRED. COOKED UNIT. BENCH CHECK GOOD.

Part: RESTRAINT — BEARING WORN (TRANSMISSION)

ROLL STAKE BEARING WORN. REPLACED RESTRAINT ASSY.

Part: STARTER — FAILED (START/GEN)

SPACER BETWEEN SHAFT AND GENERATOR FLANGE DISINTEGRATED CAUSING SHAFT NOT TO ENGAGE IN SPLINES. REMOVED AND REPLACED STARTER GENERATOR.

Part: FRAME — CRACKED (TAILBOOM)

TAILBOOM RING CRACKED AT UPPER R/H ATTACHMENT POINT. REMOVED CRACKED RING AND REPLACED WITH SERVICEABLE RING AND RETURNED AIRCRAFT TO SERVICE.

Part: BLEED VALVE — FAILED (ENGINE)

SHORTLY AFTER TAKEOFF, PILOT REPORTED ENGINE COMPRESSOR STALL. LANDED ON OFFSHORE PLATFORM WITHOUT INCIDENT. FOUND BLEED VALVE STUCK IN OPEN POSITION. ALLISON 250-C30 IPC, CHAPTER 75, SECTION 10-00, FIGURE 5, ITEM 1J.

Part: AFT SUPPORT — CAP LEAKING (FREEWHEEL)

FREEWHEELING UNIT AFT CAP LEAKING. REPLACED WITH SERVICEABLE AFT CAP.

Part: PUMP — LEAKING (SEAL)

GARLOCK SEAL LEAKING. REPLACED WITH SERVICEABLE PUMP.

Part: BEARING — CRACKED (T/R)

CRACKED OUTBOARD BEARINGS . ALSO REPLACED TWO EACH SLEEVES P/N 206-010-733-003. REMOVED FROM T/R HUB S/N AFS-5499, T.T. 2483:00. SCRAPPED BEARINGS AND SLEEVES LOCALLY. BLADE S/N CS5239 & CS4665

Part: BEARING — CRACKED (T/R)

CRACKED INBOARD BEARINGS . ALSO REPLACED TWO EACH SLEEVES P/N 206-010-733-003. REMOVED FROM T/R HUB S/N AFS-5499, T.T. 2483:00. SCRAPPED BEARINGS AND SLEEVES LOCALLY. BLADE S/N CS5239 & CS4665