N730KW

Part: BUSHING — DAMAGED (RUDDER) · airframe 24,844 hrs · 22,075 cycles

FLIGHT 2772, CREW REPORTED THAT DURING CRUISE, AT FLIGHT LEVEL 260 AND 310 KNOTS. ACFT BEGAN A VIOLENT VIBRATION FOR APPROXIMATLEY 10 SECONDS. SLOWED AND VIBRATION STOPPED. THEN RECEIVED SPS ADVANCED WHICH CLEARED. ACFT REMOVED FROM SERVICE. REMOVED RUDDER II REMOVED AND REPLACED UPPER BEARINGS AND BUSHINGS ASSOCIATED WITH RUDDER. INSTALLED RUDDER IAW AMM 27-20-02 PERFORMED OPS CHECKS, OPS CHECKED GOOD. NO DEFECTS NOTED. ACFT RETURNED TO SERVICE.

Part: LIGHT — INOPERATIVE (CABIN)

DURING MAINTENANCE INSPECTION FOUND THE LEFT FORWARD OVERWING EMERGENCY LIGHT INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED LEFT OVERWING EMERGENCY LIGHT IAW EMB 135 AMM 33-50-10. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: CARBON SEAL — FAULTY (ENGINE) · airframe 23,616 hrs · 20,992 cycles

ON FLIGHT 4499 THE CREW REPORTED THAT DURING DESCENT A STRONG OIL ODOR WAS NOTICED IN THE COCKPIT. THE THRUST LEVER WAS AT IDLE DURING DESCENT. NO ODOR NOTICED IN THE PASSENGER CABIN. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE ZERO CARBON SEAL PER RR AMM 72-25-25-450-801. THE LEAK AND OPERATIONAL CHECKS WERE GOOD. NO DEFECTS NOTED AT IDLE. RAN THE ENGINE AT HIGH POWER IAW 72-00-00 RRMM. THE OPERATIONAL CHECK WAS GOOD. NO ODOR NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: UNKNOWN — ODOR (COCKPIT) · airframe 23,610 hrs · 20,986 cycles

ON FLIGHT 4410 THE CREW REPORTED A STRONG OIL ODOR IN COCKPIT AND NOTICED WHEN THRUST LEVERS ARE AT IDLE OR LOW POWER SETTINGS. FIRST TIME NOTICED AFTER TOP OF DESCENT. BRINGING THRUST LEVERS UP WHEN LEVELING OFF ODOR DIMINISHED. COCKPIT ODOR ONLY, MAIN CABIN NO ODOR. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. PERFORMED TROUBLESHOOTING OF CAUSE OF ODOR IN COCKPIT IAW EMB ETN: EM-72-034 R4. NO ODOR FOUND OR SMELLED. COULD NOT DUPLICATE STRONG OIL ODOR. NO PARTS REMOVED OR REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: UNKNOWN — ODOR (COCKPIT) · airframe 22,673 hrs · 20,130 cycles

ON FLIGHT 4405 THE CREW REPORTED, DETECTED A SWEET OIL ODOR ON CLIMBOUT - HIGH POWER SETTINGS LOW ALTITUDE, AND A BIT ON DESCENT NOT MUCH IN CRUISE. THE FLIGHT ATTANDANT ALSO REPORTED A FAINT ODOR. THE AIRCRAFT WAS REMOVED FROM SERVICE. PERFORMED OPERATIONAL CHECK IAW ETN EM-72-034R4 AND COULD NOT DUPLICATE. NO PARTS REMOVED OR REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BATTERY — DISCHARGED (CABIN) · airframe 21,919 hrs · 19,475 cycles

DURING MAINTENANCE FOUND FWD EMERGENCY LIGHTS INOP. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED NR 1 BATTERY POWER SUPPLY AND NR 1 EMERGENCY BATTERY IAW EMB140 AMM 33-50-04, OPS GOOD. NO DEFECTS NOTED. BATTERY EMERGENCY LIGHT P/N OFF 2013-1A, S/N OFF 70401, P/N ON 2013-1A,S/N ON 72448 BATTERY CHANGER P/N OFF 11-0049, S/N OFF 13378, P/N ON BA50933901, S/N ON C01542. AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — DEFECTIVE (CABIN) · airframe 21,430 hrs · 19,038 cycles

ON FLIGHT 4592 THE CREW REPORTED THE OVERHEAD CEILING LIGHT AT 3A WAS FLICKERING AND THERE WAS AN ELECTRICAL ODOR COMING FROM THAT AREA. THE AIRCRAFT WAS REMOVED FROM SERVICE. MAINTENANCE VERIFIED THE BULB WAS FLICKERING AND DISCOLORED AND WAS THE SOURCE OF ODOR. REPLACED 2A CEILING LIGHT HARNESS ASSEMBLY AND 3A CEILING LIGHT ASSEMBLY IAW EMB AMM33-21-06. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: ELECTRONIC UNIT — FAILED (LANDING GEAR) · airframe 21,251 hrs · 18,871 cycles

FOR FLIGHT 4436 DURING TAKEOFF THE CREW REPORTED THE LANDING GEAR DID NOT RETRACT WHEN COMMANDED. THE CREW RECEIVED EICAS MESSAGE 'LG/LEVER DISAGREE". THE CREW ACCOMPLISHED THE CHECKLIST PER AIRCRAFT OPERATING MANUAL VOL 1 WHEN CYCLED GEAR HANDLE GEAR STILL REMAINED DOWN, WITH EICAS MESSAGE STILL PRESENT, WHILE TALKING TO DISPATCH AND MAKING PLANS TO RETURN FOR LANDING. THE CREW ELECTED TO RETURN TO DCA AND LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE LANDING GEAR ELECTRONIC UNIT (LGEU) IAW EMB AMM 32-32-01. PERFORMED EXTENSION AND RETRACTION OPERATIONAL CHECK IAW EMB AMM 32-30-00. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: PROXIMITY SWITCH — INOPERATIVE (NLG) · airframe 21,162 hrs · 18,798 cycles

ON FLIGHT 4570 DURING CRUISE THE CREW REPORTED A LOUD STREAM OF NOISE IN THE AIRCRAFT. THE CREW EXTENDED THE GEAR AND LEFT DOWN. THE CREW ELECTED TO DIVERT TO JFK AND LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE NOSE LANDING GEAR UP PROXIMITY SWITCH NR 3 AND REMOVED AND REPLACED THE NOSE LANDING GEAR DOOR CONTROL RELAY IAW 32-60-50. RE-SECURED PROX SWITCH IAW 20-13-02 AMM. THE OPERATIONAL CHECK WAS GOOD AND NO FURTHER DEFECTS NOTED AT THIS TIME. ALSO PERFORMED OPERATIONAL CHECK OF THE LANDING GEAR EXTENSION AND RETRACTION CYCLE IAW EMB 135 AMM 32-30-00-700-801-A. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BALLAST — SMOKE (COCKPIT LIGHTS) · airframe 19,940 hrs · 17,008 cycles

ON FLIGHT 4258, AIRCRAFT RETURNED TO LGA FOR SMOKE IN THE COCKPIT. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED BALLAST ON OVERHEAD CEILING IAW EMB 33-21-05. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: VALVE — MALFUNCTIONED (TEMP CONTROL) · airframe 16,603 hrs · 14,974 cycles

ON FLIGHT 4891, CREW REPORTED DURING TAXI AND WITH APU ON RECEIVED EICAS PACK 2 OVERHEAT ACCOMPANIED BY A BURNING ODOR. AIRCRAFT REMOVED FROM SERVICE. PERFORMED OPERATIONAL CHECK OF RIGHT PACK SYSTEM. NO DEFECTS NOTED. SUSPECT DUAL TEMP CONTROL VALVE. REMOVED AND REPLACED DUAL TEMP CONTROL VALVE. AIRCRAFT RETURNED TO SERVICE.

Part: STRUT — DISCHARGED (NLG)

BGR - FLT 4505 - DURING TAKEOFF, CREW REPORTED, THE LANDING GEAR WOULD NOT RETRACT ALSO RECEIVED LANDING GEAR AIR GROUND FAIL ON EICAS. MAINTENANCE SERVICED THE NOSE LANDING GEAR SHOCK STRUT IAW EMB MM. OPS CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: FLOOR SUPPORT — CORRODED (FUSELAGE)

DURING AN IMBV INSPECTION THE CENTER OMEGA BEAM BETWEEN FRAMES 23 AND 26 WAS FOUND CORRODED. PERFORMED A CUT OUT OF THE DAMAGED AREA. FABRICATED AN EXTERNAL ANGLE, FILLER AND 2 SHIMS. REPAIR DONE IAW SRM. (SW21200501155)

Part: FLOOR SUPPORT — CORRODED (FUSELAGE)

DURING AN IMBV INSPECTION THE OMEGA BEAM BETWEEN FRAMES 24 AND 25 WAS FOUND CORRODED. PERFORMED A CUT OUT OF THE DAMAGED AREA ON THE LT OMEGA BEAM. FABRICATED AN EXTERNAL ANGLE, FILLER AND 2 SHIMS. REPAIR DONE IAW SRM. (SW21200501155)

Part: FLOOR SUPPORT — CORRODED (FUSELAGE)

DURING AN IMBV INSPECTION, A PREVIOUS REPAIR ON THE LT OMEGA BEAM AT FRAME 20 WAS FOUND CORRODED. REMOVED EXISTING AND CLEANED THE AREA. FABRICATED AN EXTERNAL ANGLE, FILLER, SHIMS AND PLATE. REPAIR DONE IAW SRM. (SW21200501155)

Part: FLOOR SUPPORT — CORRODED (FUSELAGE)

DURING AN IMBV INSPECTION THE LT OMEGA BEAM BETWEEN FRAMES 33 AND 34 WAS FOUND CORRODED. PERFORMED A CUT OUT OF THE DAMAGED AREA OF THE LT OMEGA BEAM. FABRICATED AN EXTERNAL ANGLE FILLER AND 2 SHIMS. REPAIR DONE IAW SRM. (SW21200501155)

Part: FLOORBEAM — CORRODED (FUSELAGE)

DURING AN IMBV INSPECTION THE FORWARD DIGITAL ON LT FLOORBEAM WAS FOUND CORRODED. PERFORMED A CUTOUT OF THE DAMAGED AREA. FABRICATED A SPLICE AND DOUBLER. REPAIR DONE IAW SRM.

Part: FLOOR SUPPORT — CORRODED (CABIN)

DURING AN IMBV INSPECTION THE CENTER BEAM WAS FOUND CORODED BETWEEN FRAMES 32-34. REMOVED CORROSION BY MAKING A CUTOUT. FABRICATED AN EXTERNAL ANGLE, FILLER AND 2 SHIMS. REPAIR DONE IAW SRM. (SW21200501155)

Part: FLOORBEAM — CORRODED (GALLEY)

DURING AN IMBV INSPECTION THE FORWARD DIGITAL WAS FOUND CORRODED AT CENTER BEAM. REMOVED CORROSION BY MAKING A CUT OUT OF THE FORWARD DIGITAL. CUTOUT A REPAIR PART FROM PN 145-21721-009. FABRICATED 2 DOUBLERS AND SHIM. REPAIR DONE IAW SRM. (SW21200501155)

Part: SILL — CORRODED (FUSELAGE)

DURING AN IMBV INSPECTION, THE SERVICE DOOR CENTER SILL WAS FOUND CORRODED. REMOVED THE SERVICE DOOR SILL AND INSTALLED NEW SILL IAW SRM. (SW21200501155)

Part: FLOOR SUPPORT — CORRODED (GALLEY)

DURING AN IMBV INSPECTION THE GALLEY AREA CENTER HAT BEAM WAS FOUND CORRODED. REMOVED GALLEY AREA CENTER HAT BEAM. INSTALLED NEW HAT BEAM IAW SRM. (SW21200501155)

Part: SILL — CORRODED (CARGO BAY)

DURING AN IMBV INSPECTION THE CARGO DOOR CUTOUT LOWER SILL WAS FOUND CORRODED. REMOVED CARGO DOOR CUTOUT LOWER SILL. INSTALLED NEW SILL IAW SRM. (SW2120050115500)

Part: VALVE — MALFUNCTIONED (CABIN PRESSURE)

BOS - FLT 9302 - CREW EXPERIENCED RAPID DEPRESSURIZATION OF AIRCRAFT AND PERFORMED AN EMERGENCY DESCENT. LANDED SAFELY. REPLACED ELECTROPNEUMATIC VALVE. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: DRAIN — BROKEN (PITOT STATIC)

AFTER TAKEOFF CREW REPORTED THE PITCH TRIM 1 AND 2 FAILED AND FIRST OFFICERS AIRSPEED WAS APPROXIMATELY 50 KNOTS LOW. MAINTENANCE COULD NOT DUPLICATE DISCREPANCY. OPERATIONAL CHECK OF PITCH TRIM SYSTEM WAS SATISFACTORY IAW EMB MM. A PITOT STATIC SYSTEM OPERATIONAL CHECK WAS COMPLIED WITH NO DEFECTS NOTED. A BROKEN PITOT STATIC DRAIN WAS FOUND AND REPLACED. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: CONNECTOR — LOOSE (CABIN)

ORD - FLT 4421 - CREW REPORTED REAR OVERHEAD EMERGNCY LIGHT INOPERATIVE. RESECURED LOOSE CANNON PLUG ON LIGHT ASSEMBLY. OPS CHECK GOOD. (M)

Part: RELAY — INOPERATIVE (COCKPIT)

BOS - FLT 4745 - CREW REPORTED ELECTRICAL SMELLING SMOKE IN COCKPIT. LANDED IN BOS WITHOUT INCIDENT. MAINTENANCE REPLACED THE TAT 2 CURRENT SENSOR RELAY AND SOCKET XK0494. OPS CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE (M)

Part: SOCKET — DAMAGED (COCKPIT)

BOS - FLT 4745 - CREW REPORTED ELECTRICAL SMELLING SMOKE IN COCKPIT. LANDED IN BOS WITHOUT INCIDENT. MAINTENANCE REPLACED THE TAT 2 CURRENT SENSOR RELAY AND SOCKET XK0494. OPS CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. REF SIMA200101301. (M)