N507US

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT) · airframe 85,819 hrs · 35,848 cycles

R4 DOOR EMERGENCY EXIT SIGN ABOVE DOORWAY INOPERATIVE. TROUBLESHOT AND REPLACED BATTERY PACK IAW AMM 33-51. CHECKED GOOD.

Part: SKIN — DENTED (FUSELAGE) · airframe 84,665 hrs · 35,223 cycles

AT L2 CK IN ATG FOUND SKIN DENTED AT STA 620 STR 17LT AND 16LT. COMPLIED WITH REPAIR PER ERA 502413-14 REV ORIG. CUT OUT DAMAGED SKIN 3.5 IN FWD AND AFT 2.6 IN UP AND DOWN. DID HFEC INSP SURFACE SCAN AND FASTENER HOLES. INSTALLED DBL AND FILLER .063 2024 T3. TREATED AND PAINTED AND RESTORED FINISH. WORK COMPLETED ON NRC 210.

Part: STRINGER — DENTED (FUSELAGE) · airframe 84,665 hrs · 35,223 cycles

DURING L2 CK IN ATL FOUND STR 16L DENTED AT FS 624. C/W PERMANENT REPAIR PER SRM 53-00-03. CUT OUT DAMAGED SECTION OF STR INSTALLED FILLER AND SPLICES WORK COMPLETED ON NRC 223.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 5,029 hrs · 2,836 cycles

DURING LINE CHECK MAINTENANCE FOUND 3 FIRST CLASS EMERGENCY OVERHEAD INOP. MAINTENANCE REPLACED EMERGENCY BATTERY PACK IN FORWARD POWER SUPPLY. OPERATION OF LIGHT NOW CHECKS GOOD PER AMM 33-51.

Part: MEGAPHONE — DEFECTIVE (CABIN) · airframe 9,306 hrs · 2,783 cycles

FLT 196 - PHX - EMERGENCY EQUIPMENT - VOLUME CONTROL KNOB FORWARD GALLEY MEGAPHONE MISSING. MAINTENANCE INSTALLED SERVICEABLE MEGAPHONE.

Part: COFFEEMAKER — CONTAMINATED (GALLEY) · airframe 80,976 hrs · 33,059 cycles

EN ROUTE FLIGHT ATTENDANT REPORTED FUME/SMOKE IN AFT GALLEY. SMELLED LIKE PLASTIC. CREW SECURED POWER TO AFT GALLEY. FLIGHT ATTENDANT FOUND PLASTIC GLOVES NEAR COFFEE MAKER. FLIGHT ATTENDANT REMOVED GLOVES. OPS CHECK NORMAL. GALLEY POWER OPS NORMAL. (2010-00862)

Part: POWER SUPPLY — INOPERATIVE (CABIN) · airframe 80,834 hrs · 32,966 cycles

DURING A LINE CHECK, MAINTENANCE FOUND THE EMERGENCY PATH LIGHTS FROM ROWS 14 TO 22, PLUS EXIT LIGHTS AT DOORS L2 & R2, INOPERATIVE. MAINTENANCE REPLACED THE POWER SUPPLY. OPERATIONAL CHECK WAS GOOD. (2010-00832)

Part: CONNECTOR — NOT SEATED (CABIN) · airframe 80,742 hrs · 32,905 cycles

DURING LAYOVER CHECK MAINTENANCE FOUND EMERGENCY FLOOR TRACK LIGHTING OUT FROM 15DEF-23DEF. RE-SEATED CONNECTOR ON POWER SUPPLY M9002 AND RELAMPED FLOOR EXIT IDENTIFIER AT 2L. OPS CHECKED NORMAL. (2010-00804)

Part: LENS — MISSING (CABIN) · airframe 7,480 hrs · 2,214 cycles

FLT 406 - SFO - EEL - EMERGENCY EXIT DOOR AFT LEFT IS MISSING EXIT LIGHT COVER. MAINTENANCE REPLACED LENS COVER.

Part: WIRE — DAMAGED (EMERGENCY LIGHT) · airframe 80,539 hrs · 32,765 cycles

DURING L CHECK, MX FOUND SEAT EMERGENCY LIGHTS AT ROWS 21-23ABC INOPERATIVE. MX REPAIRED WIRES BY SEATS 22C & 23C, AND REPLACED THE FUSE ON M11612 POWER SUPPLY. OPS CHECK WAS GOOD.

Part: BYPASS VALVE — DEFECTIVE (RUDDER) · airframe 78,179 hrs · 31,869 cycles

AFTER DEPARTING PDX THE LEFT HYDRAULIC SYSTEM PRESSURE DECREASED. AIRCRAFT DIVERTED TO BIL. USED ALTERNATE GEAR AND FLAP EXTENSIONS AND LANDED UNEVENTFULLY. MAINTENANCE REPLACED RUDDER RATIO BYPASS VALVE. SAFETIED ALTERNATE EXTENSION SWITCH, CLOSED GEAR DOORS AND CYCLED FLAP BACK TO ZERO.

Part: BOTTLE — LOW PRESSURE (EVAC SLIDE) · airframe 19 hrs · 5 cycles

FLT 9254 YVR-PHX - CIDS PANEL INDICATES R3 DOOR SLIDE BOTTLE HAS LOW PRESSURE. INDICATION ON BOTTLE IS AT MINIMUM ALLOWABLE PRESSURE. MAINTENANCE REMOVED AND REPLACED R3 DOOR SLIDE ASSIST BOTTLE.

Part: SKIN PANEL — DELAMINATED (HORIZ STAB) · airframe 73,784 hrs · 30,252 cycles

DURING "M" CHECK, FOUND DELAMINATION ON LT HORIZONTAL STABILIZER UPPER SKIN PANEL BETWEEN STA 68 AND STA 107. REPAIRED PER EA 55-212538.

Part: SKIN — CRACKED (L4 DOOR) · airframe 73,784 hrs · 30,252 cycles

DURING "M" CHECK, FOUND CRACK IN DOOR 4L INBOARD SKIN BEHIND THE UPPER HINGE TORQUE TUBE. REPAIRED PER EA 55-212537.

Part: COOLING FAN — FAILED (E/E BAY) · airframe 73,227 hrs · 30,045 cycles

DURING CLIMB, THERE WAS AN ELECTRICAL BURNING ODOR IN THE FLIGHT DECK. TURNED RECIRC FANS OFF AND SMELL SUBSIDED. AFTER 50 MINUTES THE ODOR FAINTLY RETURNED. PERFORMED COM PROCEDURE FOR SMOKE AND FUMES. UTILITY BUSSES OFF, RECIRC FANS OFF, AND EQUIPMENT COOLING TO ALTERNATE, ODOR HAS NOT RETURNED. FLIGHT CONTINUED ON AND LANDING WAS UNEVENTFUL. MAINTENANCE REMOVED AND REPLACED 2 EQUIPMENT COOLING FANS, AND AN AIR RECIRC FAN. OPERATIONAL CHECKED GOOD, AND AIRCRAFT WAS RETURNED TO SERVICE.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 70,150 hrs · 28,877 cycles

FIRST CLASS FLOOR PROXIMITY EMERGENCY LIGHTS INOPERATIVE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK (M9001) PER AMM 33-51-07. OPS CHECKS GOOD.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT) · airframe 70,100 hrs · 28,857 cycles

NUMEROUS FORWARD, MIDDLE EMERGENCY LIGHTS INOPERATIVE. REPLACED-2 RIGHT DOOR POWER SUPPLY AND BATTERY PACK; STOCK NR 55-3300-4-0138 AND 55-3300-4-0007. ALL LIGHTS ILLUMINATE EXCEPT TWO LEFT BULL NOSE LIGHTS, AFT OF DOOR 2 LEFT; REQUIRES STOCK NR 55-3300-4-0138 AND 55-3300-4-0007 PER WDM 33-51-13. POWER SUPPLY PLACED ON MEL 33-51-1. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY AND BATTERY PACK OVER 2 LEFT DOOR (M733) PER AMM 30-51-07 OPS CHECK OKAY. OKAY FOR SERVICE.

Part: FUSE — LEAKING (NR 7 BRAKE) · airframe 69,223 hrs · 28,497 cycles

AFTER LANDING AND TURNING OFF RUNWAY, LOST RIGHT HYDRAULIC QUANTITY AND SYSTEM PRESSURE. AIRCRAFT WAS THEN TOWED TO GATE. MAINTENANCE FOUND A CRACK ON NUMBER 7 BRAKE HYDRAULIC FUSE ON NORMAL ANTI SKID MANIFOLD. REMOVED AND REPLACED HYDRAULIC FUSE. OPERATION CHECK OK. AIRCRAFT RETURNED TO SERVICE. Â

Part: BALLAST — BURNED OUT (CABIN LIGHTS) · airframe 68,722 hrs · 28,290 cycles

THE FIRST CLASS LAV SMOKE DETECTOR WENT OFF, CAUSED BY A BURNED OUT LIGHT BALLAST. THE BALLAST WAS PLACED ON MEL AND THE AIRCRAFT RETURN TO SERVICE. REMOVED AND REPLACED BALLAST, OPERATIONALLY CHECKED LIGHT, CLEARED MEL AND RETURNED TO SERVICE.

Part: OVEN — SMOKE (GALLEY) · airframe 65,625 hrs · 27,062 cycles

SMOKE COMING FROM 1ST CLASS GALLEY OVEN, SUBSIDED WHEN OVEN WAS TURNED OFF. THERE WAS NO FIRE AND THE SMOKE WAS NOT FOOD RELATED PER FLIGHT ATTENDANT. OVEN WAS REMOVED AND REPLACED, AIRCRAFT RETURNED TO SERVICE.

Part: STRINGER — CRACKED · airframe 56,267 hrs · 23,228 cycles

During "H" check found cracks in BS 660 stringers 11R and 11L and 14R and 14L. Repaired per EA-191087.

Part: FITTING — CORRODED · corrosion level 2 · airframe 56,267 hrs · 23,228 cycles

During "H" check found corrosion on door sill fitting at BS 1720. Repaired per EA 55-191086.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,896 hrs · 15,080 cycles

DURING "H" CHECK FOUND CORROSION ON FLOORBEAM AT BS 377 LBL 56-59. REPAIRED PER EA 55-106085.

Part: POWER SUPPLY · airframe 55,398 hrs · 22,896 cycles

DURING SCHEDULED MAINTENANCE THE ESCAPE PATH LIGHTING AT ROWS 15-22 WAS INOPERATIVE. MAINTENANCE REPLACED THE POWER SUPPLY. OPERATIONAL CHECK OK.

Part: STARTER — DEFECTIVE (APU) · airframe 54,803 hrs · 22,666 cycles

WHILE AT THE GATE, STRONG BURNING SMELL/ODOR BEGAN TO ENTER THE COCKPIT AND CABIN. PASSENGERS WERE DEPLANED THROUGH THE JETWAY. MAINTENANCE FOUND THE APU STARTER EMITTING BURNING ODOR CONTAMINATING APU BLEED AIR. APU STARTER REPLACED.

Part: POWER SUPPLY (MAIN CABIN) · airframe 54,189 hrs · 22,429 cycles

DURING SCHEDULED MAINTENANCE, EMERGENCY ESCAPE PATH LIGHTING SECTION AFT OF ROW 23 INOPERATIVE. MAINTENANCE REPLACED POWER SUPPLY. OPERATIONAL CHECK NORMAL.

Part: HOSE — FAILED (HYD SYSTEM)

DURING CLIMB AFTER DEPARTING FROM DTW, LOST LEFT HYDRAULIC SYSTEM PRESSURE AND LEFT HYDRAULIC QUANTITY. PERFORMED ALTERNATE GEAR AND FLAPS EXTENSION. RETURNED FOR AN UNEVENTFUL LANDING IN DTW. MAINTENANCE REPLACED BURST FLEX HOSE IN NOSE GEAR WELL, SERVICED HYDRAULIC SYSTEM, AND REPLACED LEFT SYSTEM FILTER AND TRANSMITTER. OPERATIONAL CHECK OK.

Part: SIGN — INOPERATIVE (CABIN)

DURING LINE MAINTENANCE, FOUND THE EMERGENCY EXIT LIGHT AT DOOR 3L INOPERATIVE. REPLACED THE EPSU ABOVE DOOR 3L, OPERATIONAL CHECK OK.

Part: COMPRESSOR — STALLED (NR 1 ENGINE)

DURING TAKEOFF, NR 1 ENGINE EXPERIENCED A COMPRESSOR STALL. ENGINE WAS SHUT DOWN AND AIRCRAFT RETURNED TO DEPARTURE AIRPORT. MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE.

Part: COMPRESSOR — STALLED (NR 2 ENGINE)

DURING TAKEOFF, NR 2 ENGINE COMPRESSOR STALL OCCURRED AND EGT EXCEEDED LIMITS. NR 2 ENGINE WAS SHUT DOWN AND AIRCRAFT RETURNED TO DEPARTURE AIRPORT. MAINTENANCE REPLACED NR 2 ENGINE.

Part: COMPRESSOR — STALLED (NR 2 ENGINE)

DURING TAKEOFF, NR 2 ENGINE COMPRESSOR STALL OCCURRED AND EGT EXCEEDED LIMITS. NR 2 ENGINE WAS SHUT DOWN AND AIRCRAFT RETURNED TO DEPARTURE AIRPORT. MAINTENANCE REPLACED NR 2 ENGINE.

Part: FAN — FAILED (CARGO COMPT)

DURING CRUISE, RECEIVED EICAS MESSAGE FWR EQPT SMOKE FIVE MINUTES AFTER FIRST MESSAGE, RECEIVED SECOND MESSAGE EQPT OVERHEAT. DIVERTED TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED ALTERNATE COOLING FAN, RELAY K10442, OUTBOARD EXHAUST VALVE AND PRIMARY AND SECONDARY COOLING CONTROL CARD. PERFORMED BITE CHECK OF SYSTEM AND OPERATED EQUIPMENT COOLING SYSTEM FOR 10 HOURS, SYSTEM CHECKED OK.

Part: BRAKES — DRAGING (NR 8)

DURING TAKEOFF ROLL, AIRCRAFT PULLED TO THE RIGHT. TAKEOFF WAS ABORTED AND AIRCRAFT STOPPED WITHOUT INCIDENT. DEACTIVATED NR 8 BRAKE WITH DISCONNECT TOOL PER MEL 32-41-1A.

Part: SMOKE DETECTOR — MALFUNCTIONED (E/E BAY)

AFTER DEPARTING, RECEIVED STATUS MESSAGE OVERBOARD VALVE OPEN AND EQUIPMENT COOLING SMOKE INDICATION LIGHT CAME ON. COMPLIED WITH COM PROCEDURE AND DIVERTED TO DEN. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED SMOKE DETECTOR TS164. PERFORMED OPERATIONAL TEST OF SYSTEM, TESTED NORMAL.

Part: FLOOR BEAM — CORRODED (FS 377)

DURING P-CHECK, FOUND CORROSION IN THE BS 377 FLOOR BEAM UPPER CHORD LBL 63 TO BL 0. REPAIRED CHORD (P/N 141N5113) PER EA 55-106085.

Part: FLOOR BEAM — CORRODED (FS 1661)

DURING P-CHECK, FOUND CORROSION ON THE BS 1661 FLOOR BEAM ON THE UPPER CHORD LBL 58 TO RBL 59. REPAIRED CHORD (P/N 146N5090) PER EA 55-106081.

Part: DECK PLATE — CORRODED (FS 1681-1720)

DURING P-CHECK, FOUND CORROSION ON THE AFT GALLEY FLOOR STRUCTURE DECK PLATE, SHEAR WEB BS 1681 TO 1720. REPAIRED PLATE (P/N 146N5318-3) PER EA 55-106091.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING LINE CHECK, FOUND OVERHEAD EMERGENCY LIGHTS AT ROW 1 THROUGH 14 AND EXTERIOR LIGHT AT DOOR 1R AND 1L INOPERATIVE. REPLACED EMERGENCY LIGHT BATTERY PACKS M730 AND M731, OPERATIONAL CHECK NORMAL.

Part: SWITCH — FAILED (FLIGHT DECK)

AFTER TOUCHDOWN AT MSP, THE AIRCRAFT WENT INTO A GO-AROUND MODE WITHOUT HITTING GA SWITCHES AND SPEED BRAKES WENT DOWN AND THROTTLES MOVED FORWARD. CAPTAIN WAS FLYING MANUALLY AT THE TIME OF THE OCCURRENCE. THE AIRCRAFT CONTINUED LANDING WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE NR 1 AND NR 2 GA SWITCHES, S7 AND S8. OPERATIONAL CHECKS NORMAL, LRC FCC'S AND TMC CHECK OK.

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING PREFLIGHT, CABIN EMERGENCY LIGHTS IN FORWARD SECTION OF MAIN CABIN WOULD ONLY STAY ON FOR A SHORT TIME. REPLACED THE BATTERY PACK AT DOOR 2L, EMERGENCY LIGHTS CHECKED OK.

Part: EVAC SLIDE — WORN (DOOR 1L)

DURING OVERHAUL IN SHOP, THE EVACUATION SLIDE FROM DOOR 1L WAS FOUND WITH A HOLE WORN IN THE SILL TUBE. REPAIRED PER 25-66-01 PG 606-1 AND OVERHAULED SLIDE. WEAR CAUSED BY CHAFING AGAINST IPC REF 52-11-53-02 ITEM 129A.

Part: CIRCUIT BREAKER — TRIPPED (NR1 THRUST LEVER)

DURING TAKEOFF AS TAKEOFF POWER WAS APPLIED, THE NR 1 THRUST LEVER WAS UNABLE TO REACH FULL TAKEOFF. THE TAKEOFF WAS ABORTED. THE LEFT REVERSER INTERLOCK CIRCUIT BREAKER WAS RESET AND THE SYSTEM CHECKED OK.