N675NW

Part: LIGHT — INOPERATIVE (CABIN) · airframe 50,940 hrs · 6,427 cycles

L2 DOOR EMERGENCY LIGHT INOPERATIVE. REPLACED EMERGENCY LIGHT IAW AMM 33-51. CHECKED GOOD.

Part: FUSE — FAILED (EMERGENCY LIGHT) · airframe 50,923 hrs · 6,424 cycles

EMERGENCY LIGHT INOPERATIVE AT R3 DOOR. REPLACED FUSE ON POWER SUPPLY. CHECKED OK IAW AMM 33-51. OK FOR SERVICE.

Part: CHARGER — INOPERATIVE (EMERGENCY LIGHTS) · airframe 50,769 hrs · 6,406 cycles

LEFT OVERWING MOST FWD EMERGENCY LIGHT INOPERATIVE. REPLACED POWER SUPPLY BATTERY CHARGER IAW AMM 33-51. CHECKED OK.

Part: BATTERY — INOPERATIVE (EMERGENCY LIGHT) · airframe 50,714 hrs · 6,399 cycles

R3 DOOR EMERGENCY LIGHTS INOPERATIVE. REPLACED CHARGER M07920 AND BATTERY. CHECKED OK.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 49,998 hrs · 6,314 cycles

DURING INSPECTION, FOUND LEFT OVERWING EMERGENCY LIGHTS 2 AND 4 INOPERATIVE. REPLACED POWER SUPPLY ASSEMBLY AT DOOR 3R.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 46,362 hrs · 5,864 cycles

DURING INSPECTION, FOUND DOOR 3L EMERGENCY LIGHT WON'T ILLUMINATE. MAINTENANCE REPLACED BATTERY AND POWER SUPPLY PER B747-400 AMM 33-51. OPERATION CHECK OK.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 45,517 hrs · 5,760 cycles

DURING INSPECTION FOUND FOUR FLOOR PROXIMITY EMERGENCY LIGHTS INOPERATIVE AROUND DOOR 3R FLIGHT ATTENDANT SEAT. MAINTENANCE REPLACED LIGHT ASSEMBLY PER AMM 33-5. OPS CHECKED OK.

Part: LIGHT — INOPERATIVE (EMERGENCY LIGHTS) · airframe 45,517 hrs · 5,760 cycles

DURING INSPECTION FOUND FLOOR PROXIMITY EMERGENCY LIGHTS IN FRONT OF LAVATORY 4R INOPERATIVE. MAINTENANCE RECONNECTED LIGHTS AND OPS CHECKED OK PER AMM 33-51.

Part: SOCKET — DIRTY (EMERGENCY LIGHT) · airframe 45,193 hrs · 5,722 cycles

DURING INSPECTION FOUND LEFT OVERWING NR 2 POSITION FWD SIDE EMERGENCY LIGHT INOPERATIVE. CLEANED BULB SOCKET AND RELAMPED, OPERATIONAL CHECK OK.

Part: LIGHT — INOPERATIVE (RT OVERWING) · airframe 45,193 hrs · 5,722 cycles

DURING INSPECTION FOUND RIGHT OVERWING NR 3 POSITION FORWARD SIDE EMERGENCY LIGHT INOPERATIVE. MAINTENANCE REPLACED OVERWING EMERGENCY LIGHT ASSEMBLY PER AMM 33-51. OPERATIONAL CHECKED OK.

Part: WIRE — DAMAGED (CABIN) · airframe 45,097 hrs · 5,711 cycles

DURING INSPECTION FOUND EMERGENCY FLOOR LIGHT MODULE WIRES AND CRIMPING DAMAGED AT SEAT 9JK. MAINTENANCE REPLACED EMERGENCY FLOOR LIGHT ASSY AT SEAT 9JK PER AMM 33-51-12. OPERATIONAL CHECK OK, AIRCRAFT OK FOR SERVICE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 44,890 hrs · 5,684 cycles

DURING INSPECTION FOUND EMERGENCY LIGHTS INOPERATIVE AT SEATS 66H, 9J, DOOR 3 RIGHT, AND 2 LIGHTS AT SEAT 72J. REPLACED EMERGENCY LIGHT ASSY . REPAIRED WIRE AT 72J CAPTURED SPLICE SLEEVE'S ALL EMERGENCY LIGHTS RELAMPED AND OPERATIONAL CHECKED OK.

Part: LIGHT — MISSING (SEAT 1A) · airframe 44,763 hrs · 5,970 cycles

DURING A MAINTENANCE VISIT, THE EMERGENCY ESCAPE PATH LIGHT ASSEMBLY AT SEAT 1A WAS FOUND MISSING. MAINTENANCE REPLACED THE FLOOR LIGHT ASSEMBLY AND COVER. SYSTEM OPERATION WAS NORMAL AFTER THE LIGHT WAS REPLACED.

Part: SKIN — PUNCTURED (BS 2335 S22-23L) · airframe 7,178 hrs · 880 cycles

APPROX 2 X 3 INCH SKIN PUNCTURE AT BS 2335 BETWEEN STRINGER 22 AND 23 LT, AFT OF L5 DOOR. CUT OUT DAMAGE PER SRM 53-00-01 FIG 201, REPAIR 3. CLASS A REPAIR. TREATED AND PRIMED. INSTALL PER SRM 53-00-01. REPAIR INSTALLED AND SEALED PER SRM 53-00-01. ALL RII ITEMS COMPLETED PER SRM 53-00-01.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 43,583 hrs · 5,523 cycles

DURING A MAINTENANCE VISIT, THE EMERGENCY ESCAPE PATH LIGHT AT LAVATORY DOOR 1L WAS FOUND TO BE INOPERATIVE. THE LENS WAS ALSO MISSING. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY ESCAPE PATH LIGHT. SYSTEM OPERATION WAS NORMAL AFTER THE LIGHT WAS REPLACED.

Part: CONNECTOR — LOOSE (CABIN) · airframe 43,583 hrs · 5,523 cycles

DURING A MAINTENANCE VISIT, THE EMERGENCY ESCAPE PATH LIGHTS ON THE RIGHT SIDE AT ROWS 51-62 WERE FOUND TO BE INOPERATIVE. MAINTENANCE FOUND THE CONNECTION AT SEAT 62J LOOSE AND SECURED IT. SYSTEM OPERATION WAS NORMAL AFTER THE CONNECTION WAS SECURED.

Part: LIGHT — INOPERATIVE (EXTERIOR) · airframe 43,246 hrs · 5,482 cycles

DURING A MAINTENANCE VISIT, THE EXTERIOR EMERGENCY LIGHT ON THE RIGHT SIDE WAS FOUND TO BE INOPERATIVE. MAINTENANCE REPLACED THE LIGHT. SYSTEM OPERATION WAS NORMAL AFTER THE LIGHT WAS REPLACED.

Part: POWER SUPPLY — INOPERATIVE (CABIN) · airframe 43,055 hrs · 5,460 cycles

DURING A MAINTENANCE VISIT, THE LEFT WING AFT SIDE EMERGENCY LIGHT WAS FOUND TO BE INOPERATIVE. MAINTENANCE REPLACED THE POWER SUPPLY. SYSTEM OPERATION WAS NORMAL AFTER THE POWER SUPPLY WAS REPLACED.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 42,927 hrs · 5,446 cycles

FLIGHT ATTENDANT INFORMED MAINTENANCE THAT THE EMERGENCY EXIT FLOOR LIGHT AT DOOR 1R WAS INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE LIGHT ASSEMBLY PER AMM 33-51-12. SYSTEM OPERATION WAS NORMAL AFTER THE LIGHT WAS REPLACED.

Part: WIRE — DAMAGED (CABIN) · airframe 42,892 hrs · 54,442 cycles

DURING A MAINTENANCE VISIT, THE EMERGENCY PATH LIGHT BESIDE SEAT 9JK WAS FOUND DAMAGED. MAINTENANCE REPAIRED THE EMERGENCY PATH LIGHT WIRING PER B747400 AMM 20-41. SYSTEM OPERATION WAS NORMAL AFTER THE WIRING WAS REPAIRED.

Part: LIGHT — BROKEN (CABIN) · airframe 42,570 hrs · 5,403 cycles

DURING A MAINTENANCE VISIT, THE EMERGENCY FLOOR LIGHTING AT SEAT 9H WAS FOUND DAMAGED AND INOPERATIVE. MAINTENANCE FOUND THE LIGHT ASSEMBLY BROKEN AND REPLACED IT. SYSTEM OPERATION WAS NORMAL AFTER THE LIGHT ASSEMBLY WAS REPLACED.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 41,751 hrs · 5,312 cycles

DURING A LINE MAINTENANCE CHECK, THE EMERGENCY PATH LIGHT AT DOOR 2R WERE FOUND TO BE INOPERATIVE. MAINTENANCE REPLACED THE EMERGENCY LIGHT ASSEMBLY. SYSTEM OPERATION WAS NORMAL AFTER THE LIGHT ASSEMBLY WAS REPLACED.

Part: WIRE — BROKEN (CABIN) · airframe 40,891 hrs · 5,213 cycles

DURING A MAINTENANCE VISIT THE EMERGENCY ESCAPE PATH FLOOR LIGHT FROM DOOR 1 TO SEAT 9K WERE FOUND TO BE INOPERATIVE. MAINTENANCE RECONNECTED THE BROKEN WIRE. SYSTEM OPERATION WAS NORMAL AFTER THE WIRE WAS RECONNECTED.

Part: POWER SUPPLY — INOPERATIVE (CABIN) · airframe 40,486 hrs · 5,165 cycles

DURING A MAINTENANCE VISIT, THE EMERGENCY FLOOR PROXIMITY LIGHTS AT ZONE B ON THE RIGHT WERE FOUND TO BE INOPERATIVE. MAINTENANCE FOUND THE POWER SUPPLY TO BE DEFECTIVE AND REPLACED IT. SYSTEM OPERATION WAS NORMAL AFTER THE POWER SUPPLY WAS REPLACED.

Part: FRAME — DAMAGED (BS 2160 LBL 23) · airframe 40,239 hrs · 5,137 cycles

FOUND HEAT DAMAGE ON BULK CARGO LOWER LOBE FRAME WEB AT STA 2160, LBL23, AREA:1.97" X 1.38" DO THE FRAME WEB REPAIR IAW ER/A488632-14 REV ORIG INSP THRESHOLD: 20000 TOTAL FLIGHT CYCLES.

Part: BEARING — CORRODED (NR 3 NACELLE) · airframe 40,239 hrs · 5,137 cycles

CORROSION WAS FOUND ON INBD SIDE STRUT AFT BULKHEAD FITTING BEARING OF NR 3 STRUT TO WING DSB BEARING.

Part: BEARING — CORRODED (NR 3 NACELLE) · airframe 40,239 hrs · 5,137 cycles

CORROSION WAS FOUND ON OTBD SIDE UNDER-WING FITTING BEARING OF NR 3 STRUT TO WING DSB BEARING.

Part: FITTING — CORRODED (NACELLE) · airframe 40,239 hrs · 5,137 cycles

CORROSION WAS FOUND ON O/B SIDE STRUT AFT BULKHEAD FITTING BEARING OF NO 3 STRUT TO WING. DSB BEARING CORRECTED PER CARD 5441-01068-03C.

Part: SKIN PANEL — DAMAGED (FUSELAGE) · airframe 40,239 hrs · 5,137 cycles

DURING L CHECK, FUSELAGE SKIN PANELS HAS WEAR DAMAGE AT THE VERTICAL STABILIZER SEAL INTERFACE.

Part: CONNECTOR — DAMAGED (EMERGENCY LIGHT) · airframe 3,171 hrs · 410 cycles

DURING A LINE CHECK, MX FOUND THE EMERGENCY PATH LIGHTS AT SEAT 10B INOPERATIVE. MX REPAIRED THE CONNECTOR. OPS CHECK WAS GOOD.

Part: WIRE — DISCONNECTED (CABIN) · airframe 40,192 hrs · 5,131 cycles

DURING A LINE CHECK, MAINTENANCE FOUND THE EMERGENCY PATH LIGHTS BETWEEN DOORS 1L AND 2L(SEATS AB)INOPERATIVE. MAINTENANCE RECONNECTED A WIRE NEAR SEAT 10A. OPERATIONAL CHECK WAS GOOD. (2011-00097)

Part: LIGHT — INOPERATIVE (ROW 20B) · airframe 39,877 hrs · 5,092 cycles

DURING A LINE CHECK, MX FOUND EMERGENCY PATH LIGHT SAT ROW 10B THROUGH 31C INOPERATIVE. MX REPLACED THE LIGHT ASSY AND SECURED A CONNECTOR. OPS CHECK WAS GOOD.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 39,650 hrs · 5,064 cycles

EMERGENCY EGRESS LIGHTING FOUND INOPERATIVE AT: SEAT 31C - RELAMPED (LOG 0298615), AT RT OVERWING - RELAMPED (LOG 0298616), AT LT OVERWING - REPLACED M7919 POWER SUPPLY.

Part: FUSE — BLOWN (POWER SUPPLY) · airframe 39,162 hrs · 5,007 cycles

DURING LINE CHECK, MAINTENANCE FOUND THE DOOR 3L SLIDE, AND THE LEFT OVERWING EXIT EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REPLACED A POWER SUPPLY FUSE. OPERATIONAL CHECK WAS GOOD. REFERENCE ADDITIONAL LOG PAGE 0286251. (2010-00852)

Part: FUSE — INOPERATIVE (EMERGENCY LIGHT) · airframe 38,803 hrs · 4,960 cycles

DURING A LINE CHECK, MX FOUND THE DOOR 3L EMERGENCY EXIT LIGHT INOPERATIVE. MX REPLACED A FUSE ON POWER SUPPLY M7919 AND THE DOOR 3L SLIDE LIGHT ASSY. OPS CHECK WAS GOOD.

Part: ENGINE — FAILED (NR 2) · airframe 38,700 hrs · 4,949 cycles

DURING CLIMBOUT, NR 4 ENG N2 SPEED WENT TO 0 FOLLOWED BY AN EGT OVERTEMP. FLIGHT CREW RETURNED ACFT. MX FOUND METAL IN THE TAILPIPE AND REPLACED ENGINE NR4.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 38,412 hrs · 4,912 cycles

DURING LINE CHECK, MX FOUND THE DOOR 4R EMERGENCY LIGHT INOPERATIVE. MX REPLACED THE LIGHT ASSEMBLY. OPS CHECK WAS GOOD.

Part: LIGHT — DISCONNECTED (CABIN) · airframe 37,977 hrs · 4,854 cycles

DURING LINE CHECK, MAINTENANCE FOUND ROW 51 TO 61 RIGHT EMERGENCY PATH LIGHTS INOPERATIVE. MAINTENANCE RECONNECTED THE LIGHT ASSEMBLY. OPERATIONAL CHECK WAS GOOD.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 37,652 hrs · 4,808 cycles

DURING LAYOVER CHECK, MX FOUND EMERGENCY PATH LIGHTS AT ROWS 22-31 LT INOPERATIVE. MX REPLACED THE LIGHT ASSY. OPS CHECK WAS GOOD.

Part: LIGHT — DISCONNECTED (CABIN) · airframe 37,193 hrs · 4,740 cycles

DURING LAYOVER CHECK, MAINTENANCE FOUND EMERGENCY PATH LIGHTS BETWEEN ROWS 51KJH AND 61KJH INOPERATIVE. MAINTENANCE RECONNECTED THE LIGHTS AT 61KJH. OPERATIONAL CHECK WAS GOOD.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 36,954 hrs · 4,710 cycles

EMERGENCY EGRESS LIGHTING INOP AT ROWS 55, 58, 66 AND DOOR 4L. RELAMPED, CKS OK.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 36,902 hrs · 4,703 cycles

DURING THE LINE CHECK, MX FOUND THE DOOR 3L EMERGENCY LIGHT INOPERATIVE. MX REPLACED THE POWER SUPPLY. OPS CHECK WAS GOOD.

Part: RELAY — DEFECTIVE (GALLEY) · airframe 34,457 hrs · 4,421 cycles

EN ROUTE TO DTW OVEN 1-27 STARTED TO SPARK AND EMIT SMOKE. THE FLIGHT CONTINUED ON TO DTW AND MADE AN UNEVENTFUL LANDING. MAINTENANCE WOULD DEFER THE OVEN TO MEL AND WOULD LATER REPLACE RELAYS Y7PR003 AND Y7PR004. SYSTEM OPERATION WAS NORMAL AT THE TIME OF RELAY REPLACEMENT.

Part: OVEN — SMOKE (GALLEY) · airframe 34,293 hrs · 4,402 cycles

EN ROUTE TO DTW OVEN NR 2, POSITION 1-27 IN THE UPPER DECK GALLEY CYCLED ON AND OFF AND BEGAN TO EMIT SMOKE. IT IS UNKNOWN WHAT IF ANY PRECAUTIONARY PROCEDURES WERE TAKEN BUT, THE FLIGHT CONTINUED ON TO DTW WHERE IT MADE AN UNEVENTFUL LANDING. MAINTENANCE WOULD REPLACE THE DEFECTIVE OVEN, SYSTEM OPERATION WAS NORMAL AFTER THE OVEN WAS REPLACED.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 33,320 hrs · 4,286 cycles

DURING LINE CHECK FOUND UPPER DECK LT EMERGENCY DOOR BATTERY PACK INOPERATIVE. REPLACED BATTERY PACK PER AMM 52-23-14.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 33,320 hrs · 4,286 cycles

DURING OVERNIGHT CHECK FOUND EMERGENCY FLOOR LIGHTS INOP AT DOOR 2L TO ROW 31. MAINTENANCE REMOVED AND REPLACED POWER PACK. OPERATIONAL CHECKED GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.

Part: CONNECTOR — LOOSE (CABIN) · airframe 30,623 hrs · 3,929 cycles

DURING OVERNIGHT CHECK FOUND EMERGENCY LIGHTS FROM ROWS 51 TO 66 LT SIDE INOP. MX RESECURED LOOSE CONNECTOR. OPS CHECK GOOD AND ACFT WAS RETURNED TO SERVICE.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 29,035 hrs · 3,716 cycles

DURING OVERNIGHT CHECK, FOUND EMERGENCY PATH LIGHTS IN ZONE B RIGHT SIDE WON'T ILLUMINATE. MAINTENANCE REMOVED AND REPLACED BATTERY POWER SUPPLY. OPERATIONAL CHECKED GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.

Part: ENGINE — FAILED (NR 2) · airframe 23,744 hrs · 3,014 cycles

DURING CRUISE, AT FL330, NR 2 ENGINE FLAMED OUT. FLIGHT CREW DECLARED AN EMERGENCY, DUMPED 30,000 POUNDS OF FUEL AND RETURNED TO NRT. THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND METAL CONTAMINATION IN THE OIL FILTER AND ON THE CHIP DETECTORS. REMOVED AND REPLACED THE NR 2 ENGINE, TESTED AND RETURNED TO SERVICE.

Part: SMOKE — DETECTED (CABIN) · airframe 17,681 hrs · 2,230 cycles

LAV 2R SMOKE DETECTOR WENT OFF FOR MORE THAN 5 MINUTES. FLIGHT ATTENDANT CREW DEACTIVATED SMOKE DETECTOR. SMOKE WAS ELECTRICAL IN NATURE AND DISSIPATED AFTER ALARM WAS DEACTIVATED. KIX, MAINTENANCE CHECKED LAV 2R, AND TESTED SMOKE DETECTOR FUNCTION NORMAL. OPERATIONAL CHECKED GOOD AND RETURNED TO SERVICE.

Part: COMPUTER — ODOR (FLT MANAGE) · airframe 10,630 hrs · 1,350 cycles

DURING CRUISE, AN ELECTRICAL BURNING ODOR EMITTED FOLLOWED BY AN AUTO THROTTLE DISCONNECT CAUTION AND EICAS MESSAGE. THE SMELL DISSIPATED AND THE AIRCRAFT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. REPLACED THE AUTO THROTTLE TACHOMETER AND FLIGHT MANAGEMENT COMPUTER. OPERATIONAL CHECK GOOD.

Part: CONNECTOR — LOOSE (EMERGENCY LIGHT) · airframe 9,064 hrs · 1,156 cycles

DURING LINE CHECK, FOUND B-ZONE FLOOR PATH EMERGENCY LIGHTS INOPERATIVE. SECURED LOOSE CONNECTION ON LIGHT ASSEMBLY. OPERATIONAL CHECK GOOD.

Part: SMOKE — DETECTED (GALLEY) · airframe 8,310 hrs · 1,068 cycles

DURING FLIGHT, SMOKE EMITTED FROM THE NR 2 OVEN IN NR 1 GALLEY. AIRCRAFT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. RESET THE CIRCUIT BREAKER. OPERATIONAL CHECK GOOD.

Part: CONTROLLER — SMOKE (GALLEY OVEN) · airframe 8,310 hrs · 1,068 cycles

DURING FLIGHT, SMOKE EMITTED FROM THE NR 1 GALLEY AS BOTH OVENS IN THE NR 1 GALLEY TURNED OFF AND ON TRIPPING THE NR 1 CIRCUIT BREAKER. THE CIRCUIT BREAKERS ON BOTH OVENS WERE PULLED AND THE AIRCRAFT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. REPLACED THE NR 1 OVEN AND CONTROLLER. OPERATIONAL CHECK GOOD.