N522AL

Part: GAUGE — INOPERATIVE (N1 GAUGE)

ON LANDING APPROACH NR 2 ENGINE NE1 GAUGE WENT TO ZERO, SETTING OFF THE ENGINE OUT WARNING LIGHT AND OTHER WARNINGS. REMOVED AND REPLACED N1 GAUGE WITH SERVICE UNIT. (K)

Part: ENGINE — FAILED (NR 1)

IN FLIGHT, NR 1 ENGINE T-5 INCREASED IN TEMPERATURE, AFTER LANDING, NOTIFIED MAINTENANCE. A POWER CHECK REVEALED THAT NR 1 ENGINE WAS A -7. REMOVED AND REPLACED ENGINE WITH A SERVICEABLE ASSEMBLY IAW MM. (K)

Part: DOOR — SEPARATED (OIL FILLER)

PICKED AIRCRAFT UP TO A HOVER ON PAD B1 TO REPOSITION . PAD B3 RADIOED THAT THE OIL FILLER COVER HAD SEPARATED. RADIO OPERATOR THEN CALLED ADVISING RETURN TO PAD B1. RETURNED TO PAD B1 AND SHUTDOWN THE AIRCRAFT. MAINTENANCE INSPECTED MAIN ROTOR BLADES, TAIL ROTOR BLADES AND ENGINE INTAKE AREA FOR DAMAGE AND FOD, NO DEFECTS NOTED. REATTACHED OIL FILLER COVER AS REQUIRED, RETURNED AIRCRAFT TO SERVICE. (K)

Part: GEARBOX — MAKING METAL (MAIN ROTOR) · airframe 10,776 hrs

FOUND METAL ON BOTH CHIP PLUGS. FOUND MAIN CAUSE TO BE PINION GEAR / REPAIRED G/BOX, REPLACED PINION GEAR,TORQUE METER GEAR,PTO GEARSHAFT.

Part: WIRE HARNESS — DAMAGED (MLG UPLOCK)

DURING PRELANDING PROCEDURES LANDING GEAR LIGHTS FAILED TO ILLUMINATE UPON GEAR EXTENSION. LANDING GEAR CIRCUIT BREAKER WAS RECYCLED SEVERAL TIMES AND LANDING GEAR POSITION WAS RECYCLED SEVERAL TIMES. AFTER THE CIRCUIT BREAKERS WERE RECYCLED LANDING GEAR LIGHTS WERE ILLUMINATED ON GEAR EXTENSION AND GEAR RETRACTION POSITIONS. MAINTENANCE REMOVED UPLIMIT CABLE ASSY AND INSTALLED SERVICEABLE CABLE ASSEMBLY. PERFORMED LANDING GEAR RETRACTION TEST TWENTY TIMES WITHOUT INCIDENT. (M)

Part: WIRE HARNESS — DAMAGED (NLG UPLOCK)

AFTR TAKEOFF, GEAR PLACED IN UP POSITION THREE GREEN LIGHTS STAYED ON RED LIGHT OUT WITH GEAR HANDLE UP OR DOWN POSITION. MAINTENANCE INSTALLED SERVICEABLE UPLIMIT PROXIMITY HARNESS ASSY RIGHT MAIN. REPAIRED THE NOSE UPLIMIT HARNESS, GROUND CHECK GOOD AND ALL WORK DONE IAW THE S-76 MM. (M)

Part: WARNING LIGHT — ILLUMINATED (MLG)

IN FLIGHT ABOVE 130 KNOTS, AFTER TAKEOFF RETRACT LANDING GEAR, ALL LIGHT EXTINGUISHED AND ALL INDICATIONS NORMAL. AT ABOUT 130 KNOTS INDICATED AIRSPEED NOSE GEAR GREEN LIGHT CAME ON INDICATING NOSE GEAR DOWN OR NOSE GEAR DOOR OPEN. REDUCED AIRSPEED AND RECYCLED GEAR, ALL LIGHT EXTINGUISHED, ACCELERATED TO 130 KNOTS AND NOSE GEAR GREEN LIGHT ILLUMINATED, RETURNED TO ICY BASE AND CONSULTED MAINTENANCE. MAINTENANCE REMOVED NOSE ACTUATOR AND INSTALLED SERVICEABLE ACTUATOR AND CHECKED GEAR ON THE HYDRAULIC MULE NO DEFECTS FOUND. (M)

Part: PUMP — INOPERATIVE (HYDRAULIC SYS)

ON OPS CHECK FLIGHT FOR HYDRAULIC MODULE CHANGE AND GEAR RETRACTION CHECK, GEAR WILL NOT RETRACT RED UNSAFE LIGHT STAYS ON. MAINTENANCE REMOVED HYDRAULIC PUMP SN 195835 AND INSTALLED SERVICEABLE PUMP SN 19747. OPS/LEAK CHECK WAS GOOD ADJUSTED WEIGHT O WHEELS SWITCH, OPS CHECK WAS GOOD. (K)

Part: MODULE — INOPERATIVE (MLG)

AFTER TAKE OFF, GEAR DID NOT RAISE NORMALLY- RED LIGHT ON 3 GREENS OFF. VISUAL CONFIRMATION 3 GEAR HANGING DOWN. RECYCLED SEVERAL TIMES DECREASED AIRSPEED AT 20 KNOTS GEAR FINALLY RETRACTED, ALL LIGHTS OUT. MAINTENANCE REMOVED AND REPLACED HYDRAULIC MODULE IAW MM.

Part: ENGINE — MAKING METAL (NR 1)

NR 1 ENGINE CHIP LIGHT ILLUMINATED IN CRUISE FLIGHT, COMPLIED WITH CHECKLIST PROCEDURES AND CONTINUED TO AIRPORT. MAINTENANCE REMOVED 2 EA CHIP PLUGS FOUND ONE TINY SLIVER ON FORWARD PLUG AND SMALL CARBON ON AFT PLUG. DRAINED AND RESERVICED OIL SYSTEM, CHECKED BOTH CHIP PLUGS AFTER 30 MINUTE GROUND RUN , NO DEFECTS NOTED. (K)

Part: ENGINE — MAKING METAL (NR 1)

ON CLIMB OUT NR 1 ENGINE CHIP LIGHT ILLUMINATED, PILOT RETURNED TO AIRPORT. THE MECHANIC REMOVED AND REPLACED NR 1 ENGINE. AIRCRAFT WAS RETURNED TO SERVICE.

Part: SMOKE DETECTOR — WILL NOT TEST (CARGO BAY)

DURING RUN UP, FIRE DETECTOR IN AFT BAGGAGE COMPARTMENT LIGHT FAILED TO COME ON DURING TEST. MAINTENANCE CARRIED FORWARD TO MCOD, PART IS ON ORDER AND IT IS A 10 MEL ITEM. A FOLLOW UP REPORT WILL BE TURNED IN WHEN THE PART IS CHANGED AND OPERATIONAL CHECK IS COMPLETE.

Part: WIRE — SHORTED (FIRE EXT SBOX)

IN CRUISE FLIGHT, SMELLED SMOKE AND SAW SMOKE FLOWING OUT OF OVERHEAD QUADRANT FRONT BY FIRE HANDLES. EXECUTED TURN AROUND TO INTRACOASTAL AND SMOKE STOPPED. FIRE EXTINGUISHER CIRCUIT BREAKERS POPPED. RETURNED TO INTRACOASTAL, EVERYTHING ELSE NORMAL INDICATIONS. MAINTENANCE FOUND SCREW CHAFED INTO THE WIRE IN THE FIRE EXTINGUISHER SWITCH BOX. REPLACED WIRE, REPOSITIONED WIRES AND SECURED. OPS CHECKED OK. (K)

Part: PRESSURE SWITCH — FAILED (FUEL SYSTEM)

DURING RUN-UP CHECK, BOTH NR 1 AND NR 2 ENGINE FUEL PRESSURE LIGHT ILLUMINATED. WHEN THROTTLES WERE ADVANCED FROM IDLE AND AIRCRAFT WAS BROUGHT TO A HOVER DURING HOVER TURN BOTH NR 1 AND NR 2 FUEL PRESSURE LIGHTS FLICKED AND STAYED ON. THE MECHANIC REMOVED AND REPLACED BOTH NR 1 AND NR 2 FUEL PRESSURE SWITCHES AND AIRCRAFT WAS RETURNED TO SERVICE.