N403PH

Part: BEARING — SPALLED (ENGINE) · airframe 12,082 hrs

ENGINE REMOVED 6-18-17 DUE TO LOW POWER. THE NR 5 BEARING EXHIBITED SPALLING ON OUTER RACE AT SPLIT. INSTALLED UPGRADED NR 5 BEARING.

Part: PAN — CRACKED (ENGINE BAY) · airframe 11,901 hrs

LEFT ENGINE PAN SKIN WAS FOUND TO BE CRACKED AT AN OEM NUTPLATE INSTALLATION, USED TO SECURE A SCUPPER DRAIN. REPAIRED.

Part: BEARING — SPALLED (ENGINE TURBINE) · airframe 11,647 hrs

ENGINE REMOVED 9-4-15, DUE TO TURBINE O/H. NR 5 BEARING EXHIBITS PROBABLE SPALLING AT OUTER RACE SPLIT. INSTALLED NEW NR 5 BEARING.

Part: RECEIVER — INOPERATIVE (COCKPIT GPS)

GPS RECEIVER INOPERATIVE.

Part: SWITCH — MALFUNCTIONED (ENGINE)

FUEL TRANSFER LIGHT EXTINGUISHES ON SHUT DOWN.

Part: TUBE ASSEMBLY — CHAFED (FUEL SYSTEM)

FUEL SYSTEM TUBE ASSY CHAFED.

Part: SEAL — LEAKING (T/R GEARBOX)

SEAL LEAKING ON TAIL ROTOR GEARBOX.

Part: TRANSMITTER — FAILED (TORQUE)

TORQUE GAUGE READS ZERO AT ALL TIMES.

Part: FILTER — CLOGGED (ENGINE)

SCAVENGE OIL FITLER BYPASS INDICATION. SCRAPPED OIL FILTER.

Part: INDICATOR — INTERMITTENT (TORQUE)

TORQUE INDICATOR INTERMITTENTLY INDICATING ZERO, LCD TEST GOOD, INDICATOR CAN SOMETIMES BE RESTROYED BY REMOVING AND RE-APPLYING POWER.

Part: INDICATOR — STUCK (COCKPIT)

CLIMB RATE INDICATOR NEEDLE STICKS EXCESSIVELY.

Part: MOUNT — SEPARATED (M/R GEARBOX)

MAIN ROTOR GEARBOX MOUNT SEPARATED BEYOND LIMITS.

Part: BEAM — WORN (MAIN ROTOR)

BEAM ASSY CHAFED BEYOND LIMITS.

Part: TANK — STRIPPED (ENG OIL TANK)

UPON REMOVAL OF OUTLET FITTING P/N AN837-12D FROM ENGINE OIL TANK FOR THE FIRST TIME, FOUND THREADS IN TANK WERE STRIPPED.

Part: FRAHM ASSEMBLY — UNBONDED (MAIN ROTOR)

INTERNAL RUBBER UNBONDED ON FRAHM ASSY.

Part: CONTROLLER — FAULTY (FUEL SYSTEM)

DECELLERATION IN-FLIGHT.

Part: HMU — FAILED (ENGINE)

FADEC FAILURE.

Part: FUSIBLE PLUG — FAILED (FLOAT)

PLUG BLEW OUT RELEASING FLOAT BOTTLE PRESSURE.

Part: DISK COUPLING — CRACKED (TAIL ROTOR DRIVE)

WHILE COMPLYING WITH AD 97-24-17, DISCOVERED DISC PACK COUPLING DIRECTLY BEHIND OIL COOLER HAD A CRACKED DISC.

Part: DISK COUPLING — CRACKED (TAIL ROTOR DRIVE)

FOUND CRACKED T/R DRIVE SHAFT DISC PACK COUPLING.

Part: FLOAT BAG — LEAKING (LT FLOAT)

LT FLOAT BAG LEAKING.

Part: DISK COUPLING — CRACKED (T/R DRIVE)

DISK COUPLING HAS A CRACKED DISC.

Part: STARTER — FAILED (START/GEN)

STARTER TURNS SLOWLY AND CHATTERS. OVERHAULED BY ACCESSORY OVERHAUL SHOP DUE TO ALL FOUR BOTTOM BRUSH LEADS SEPARATING FROM BRUSHES, BRUSHES BURNT AND COMMUTATOR WAS SEVERELY PITTED.

Part: STARTER — FAILED (ENG START/GEN)

STARTER TURNED SLOWLY AND CHATTERED. INSPECTED BY ACCESSORY OVERHAUL SHOP AND FOUND ALL FOUR BOTTOM BRUSHES BROKEN AND LEADS SEPARATED FROM BRUSHES AND COMMUTATOR WAS EXCESSIVELY PITTED. OVERHAULED STARTER GENERATOR AND RETURNED TO SERVICE.

Part: RECEIVER — FAILED (GPS)

GPS RECEIVER CONTINUES TO READ "ANTENNA FAULT" AFTER BAD ANTENNA WAS REPLACED.

Part: TRANSCEIVER — DEFECTIVE (COCKPIT)

NOT ALL DISPLAY NUMBERS ARE VISIBLE. REPLACED INTEGRATED CIRCUITS I505 AND I506. REPAIRED. FOUND AUDIBLE TONE WHEN CHECKING MODULATION PERCENTAGE WITHOUT KEYING TRANSMITTER. FOUND LEG OF TRANSISTOR Q119 TO JUST ABOUT BE BROKEN WHEN REMOVED FOR CHECKING. REPLACED TRANSISTOR Q119.REPAIRED. BENCH CHECK GOOD.