N808JH

Part: DOUBLER — CRACKED (ZONE 100) · airframe 20,287 hrs · 67,305 cycles

DURING A POST FLIGHT INSPECTION, THE MECHANIC FOUND A CRACK ON THE AFT END OF THE RIGHT-HAND STATION 174 DOUBLER CONNECTING THE BOOM FAIRING AND TURTLE BACK OF THE UPPER AFT FUSELAGE.

Part: FUEL CONTROL — LEAKING (ENGINE) · airframe 17,241 hrs · 19,012 cycles

DURING MAINTENANCE GROUND RUN CHECK OPERATIONS ENGINE FUEL WAS NOTICED COMING OUT OF THE FUEL CONTROL CASE AND LEAKING TO THE GROUND. FUEL CONTROL WAS REMOVED FOR INVESTIGATION AND A SERVICABLE UNIT INSTALLED.

Part: BLADDER — LEAKING (FUEL CELL) · airframe 17,066 hrs · 976 cycles

FUEL LEAKING FROM LEFT HAND FUEL BLADDER. REPLACED BOTH LEFT AND RIGHT HAND BLADDERS.

Part: ENGINE — MAKING METAL · airframe 16,843 hrs · 54,400 cycles

ENGINE CHIP LIGHT ILLUMINATED WHEN ENGINE WAS BROUGHT TO FLIGHT IDLE AFTER ENGINE START UP. MAINTENANCE FOUND 2 FLAKES WITHIN LIMITS ON THE UPPER CHIP PLUG.A 30 MINUTE GROUND RUN WAS PERFORMED, THE PLUGS WERE INSPECTED AGAIN AND FOUND CLEAN. AIRCRAFT RETURNED TO SERVICE.

Part: BLADE — CRACKED (MAIN ROTOR) · airframe 16,455 hrs · 52,917 cycles

THE BOTTOM SKIN OF THE MAIN ROTOR BLADE HAS A 4 1/2 INCH CRACK STATING AT THE TRAILING EDGE AND PERPENDICULAR TO SPAN 57 1/4 INCHES IN FOR BLADE TIP.

Part: GEARBOX — MAKING METAL (MAIN ROTOR) · airframe 15,807 hrs · 50,591 cycles

DURING A POST MAINTENANCE OPERATIONAL CHECK FLIGHT THE MAIN ROTOR GEARBOX CHIP LIGHT ILLUMINATED. A PIECE OF METAL WAS FOUND ON THE CHIP PLUG. THE TRANSMISSION WAS REMOVED AND A SERVICABLE TRANSMISSION WAS INSTALLED.

Part: BLADE — DELAMINATED (M/R BLADE) · airframe 15,545 hrs · 37,060 cycles

DURING ROUTINE MAINTENANCE APROXIMATELY 1" INBD FROM THE TIP ON THE TOP OF THE MAIN ROTOR BLADE, PN 500P2100-105, SN 907B A .5" X .5" DELAMINATION WAS FOUND ON THE STAINLESS STEEL L/E OF THE BLADE. THE BLADE WAS REMOVED FROME THE ACFT AT THIS TIME.

Part: ENGINE — MAKING METAL · airframe 11,036 hrs · 34,694 cycles

PILOT GOT AN INTERMITTENT ENGINE CHIP LIGHT INDICATION AFTER TAKEOFF AND RETURNED FOR LANDING. MAINTENANCE FOUND LIGHT EXTINGUISHED BUT FOUND METAL ON UPPER AND LOWER ENGINE CHIP PLUGS. ENGINE WAS REMOVED FROM THE ACFT FOR FURTHER INSPECTION.

Part: BLADE — OUT OF BALANCE (MAIN ROTOR) · airframe 11,000 hrs · 4,856 cycles

DURING A MAINTENANCE GROUND RUN OPERATION A HIGH LATERAL VIBRATION WAS ENCOUNTERED AND THE ACFT WAS SHUTDOWN. IT WAS DISCOVERED THAT WATER HAD ENTERED THE BLADE DURING A HEAVY RAINFALL THE NIGHT BEFORE. ATTEMPTS TO REMOVE THE WATER WERE UNSUCCESSFUL AND THE BLADE WAS REMOVED FROM THE ACFT FOR EVALUATION.

Part: ENGINE — MAKING METAL · airframe 10,884 hrs · 34,142 cycles

ENGINE CHIP LIGHT ILLUMINATED DURING TOUR FLIGHT. THE PILOT LANDED ACFT AND CALLED MAINTENANCE. MAINTENACE FOUND METAL FLAKE MEASURING LESS THAN .03125 ON UPPER AND LOWER ENGINE CHIP PLUGS. AFTER CLEANING THE PLUGS A 30 MINUTE GROUND RUN WAS PERFORMED AND THE PLUGS WERE RECHECKED AND FOUND CLEAN. THE ACFT WAS RETURNED TO SERVICE.

Part: CHIP DETECTOR — SHORTED (TAIL GEARBOX) · airframe 10,309 hrs · 4,081 cycles

PILOT RECIEVED A TAIL GEARBOX DIM CHIP LIGHT IN FLIGHT. THE PILOT PERFORMED AN UNEVENTFUL UNSCHEDULED LANDING AND CALLED MAINTENANCE. THE MECHANIC EXAMINED THE GEARBOX CHIP DETECTOR AND FOUND IT CLEAN. THE MECHANIC REPLACED AN INTERNALLY SHORTING CHIP DETECTOR. OPERATION AND LEAK CHECKS WERE PERFORMED AND RESULTS WERE NORMAL

Part: TURBINE — OUT OF TOLERANCE (ENGINE) · airframe 10,065 hrs

PILOT REPORTED CHIRPING NOISE FROM ENGINE AT END OF DAY SHUTDOWN. MAINTENANCE REMOVED TURBINE ASSY FOR SUSPECT N2 RUBBING.

Part: WIRE — SHORTED (ENGINE) · airframe 8,110 hrs · 3,852 cycles

PILOT REPORTED AN ENGINE CHIP LIGHT. THE CHIP LIGHT WAS EXTINGUISHED WHEN CHIP PLUGS WERE REMOVED AND CLEANED. DURING OPS CHECKS THE LIGHT CAME BACK ON. MAINTENANCE ULTIMATELY DISCOVERED A SHORTING WIRE IN THE LOWER ENGINE CHIP DETECTOR CONNECTOR. THE BAD PORTION OF WIRE WAS REMOVED AND BOTH UPPER AND LOWER CHIP DETECTOR CONNECTORS WERE REPLACED.

Part: HUB — VIBRATION (MAIN ROTOR) · airframe 2,776 hrs · 1,426 cycles

PILOT EXPERIENCED IN FLIGHT STICK SHAKE AND UNUSUAL VIBRATION. MX SUSPECTS PROBLEM WITH DROOP RING AND FOLLOWERS ON MAIN ROTOR HUB ASSY.