Boeing 757-251

Service difficulty reports · 4,707

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duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE aircraft_model_key = '757251'
  ORDER BY difficulty_date DESC"

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SDR NWAA092705635Power Supply · defectiveDURING TROUBLESHOOTING OF ANOTHER EMERGENCY LIGHT ISSUE ROW 38 EMERGENCY ESCAPE PATH LIGHTING AND THE EXIT SIGN AT DOOR 4 RIGHT WOULD NOT ILLUMINATE. MAINTENANCE FOUND POWER SUPPLY M736 TO BE DEFECTIVE AND REPLACED IT. SYSTEM OPERATION WAS NORMAL AFTER IT WAJul 31, 2009 · N535US · Boeing 757251 · Emergency LightingSDR NWAA092695635Battery Pack · defectiveDURING A TURN AROUND CHECK THE EMERGENCY ESCAPE PATH LIGHTING FROM ROW 30 TO 34 WAS FOUND TO BE INOPERATIVE. MAINTENANCE FOUND THE ASSOCIATED BATTERY PACK TO BE DEFECTIVE AND REPLACED IT. SYSTEM OPERATION WAS NORMAL AFTER THE BATTERY PACK WAS REPLACED.Jul 30, 2009 · N535US · Boeing 757251 · Emergency LightingSDR NWAA092645641Power Supply · defectiveDURING AN OVERNIGHT LINE CHECK MAINTENANCE FOUND THE EMERGENCY EXIT SIGN AT DOOR ONE LEFT TO BE INOPERATIVE. MAINTENANCE FOUND THE POWER SUPPLY TO BE DEFECTIVE AND REPLACED IT. SYSTEM OPERATION WAS NORMAL AFTER THE POWER SUPPLY WAS REPLACED.Jul 28, 2009 · N541US · Boeing 757251 · Emergency LightingSDR NWAA092625523Battery Pack · dischargedDURING AN OVERNIGHT LINE CHECK THE EMERGENCY EXIT SIGN ABOVE DOOR 1 LEFT WOULD NOT ILLUMINATE. MAINTENANCE FOUND BATTERY PACK M731 TO BE DEFECTIVE AND REPLACED IT. SYSTEM OPERATION WAS NORMAL AFTER THE BATTERY PACK WAS REPLACED.Jul 27, 2009 · N523US · Boeing 757251 · Emergency LightingSDR NWAA092615523Battery Pack · defectiveDURING OVERNIGHT LINE CHECK THE EMERGENCY OVERHEAD EMERGENCY EXIT SIGN ABOVE DOOR 4 RIGHT WOULD NOT ILLUMINATE. MAINTENANCE FOUND BATTERY PACK M736 TO BE DEFECTIVE AND REPLACED IT. SYSTEM OPERATION WAS NORMAL AFTER THE BATTERY PACK WAS REPLACED.Jul 27, 2009 · N523US · Boeing 757251 · Emergency LightingSDR NWAA092535523Pneumatic System · malfunctionedUPON DEPARTURE FROM TPA THE CREW LOST THE RIGHT ENGINE PNEUMATIC BLEED AND WAS UNABLE TO RESET IT PER THE COM PROCEDURE AND LATER LOST THE LEFT PNEUMATIC BLEED DURING CLIMB. WITH BOTH PNEUMATIC BLEEDS INOPERATIVE THE FLIGHT CREW DECLARED AN EMERGENCY WITH ATC Jul 14, 2009 · N523US · Boeing 757251 · Pneumatic Distribution SystemSDR NWAA092505530Battery Pack · inoperativeDURING AN OVERNIGHT LINE CHECK THE EMERGNECY EXIT SIGN AT DOOR 3R WAS FOUND TO BE INOPERATIVE. MAINTEANCE FOUND THE ASSOCIATED BATTERY PACK TO BE DEFECTIVE AND REPLACED IT. SYSTEM OPERATION WAS NORMAL AFTER THE BATTERY PACK WAS REPLACED.Jul 14, 2009 · N530US · Boeing 757251 · Emergency LightingSDR NWAA092455503Battery Pack · defectiveDURING AN OVERNIGHT LINE CHECK THE EMERGENCY LIGHTS AT DOORS 1L AND 1R WOULD NOT ILLUMINATE. MAINTENANCE FOUND THE ASSOCIATED BATTERY PACKS TO BE DEFECTIVE AND REPLACED THEM. SYSTEM OPERATION CHECKED NORMAL AFTER THE BATTERY PACKS WERE REPLACED.Jul 8, 2009 · N503US · Boeing 757251 · Emergency LightingSDR NWAA092435645Battery Pack · defectiveDURING AN OVERNIGHT LINE CHECK THE EMERGENCY LIGHTS AT DOOR 4L WERE FOUND TO BE INOPERATIVE. MAINTENANCE FOUND THE ASSOCIATED BATTERY PACK TO DEFECTIVE AND REPLACED IT. SYSTEM OPERATION WAS NORMAL AFTER THE BATTERY PACK WAS REPLACED.Jul 2, 2009 · N545US · Boeing 757251 · Emergency LightingSDR NWAA092355644Battery Pack · dischargedDURING AN OVERNIGHT LINE CHECK THE EMERGENCY EXIT SIGN AT DOOR 2L EXTINGUISHED AFTER ONLY FIVE SECONDS OF OPERATION. MAINTENANCE FOUND THE BATTERY PACK AND POWER SUPPLY MODULE TO BE DEFECTIVE AND REPLACED IT. SYSTEM OPERATION WAS NORMAL AFTER THE BATTERY ANDJun 30, 2009 · N544US · Boeing 757251 · Emergency LightingSDR NWAA092245502Power Supply · defectiveDURING AN OVERNIGHT LINE CHECK, THE EMERGENCY EXIT SIGN AT DOOR 4R WAS INOPERATIVE. MAINTENANCE FOUND THE ASSOCIATED POWER SUPPLY (M736) TO BE DEFECTIVE AND REPLACED IT. SYSTEM OPERATION WAS NORMAL AFTER THE POWER SUPPLY WAS REPLACED.Jun 18, 2009 · N23191 · Boeing 757251 · Emergency LightingSDR NWAA092235502Power Supply · defectiveDURING AN OVERNIGHT LINE CHECK, THE EMERGENCY LIGHT AT DOOR 4L WAS FOUND TO BE INOPERATIVE. MAINTENANCE FOUND THE ASSOCIATED POWER SUPPLY (M737) TO BE DEFECTIVE AND REPLACED IT. SYSTEM OPERATION WAS GOOD AFTER THE POWER SUPPLY WAS REPLACED.Jun 18, 2009 · N502US · Boeing 757251 · Emergency LightingSDR NWAA092255517Battery Pack · defectiveDURING AN OVERNIGHT LINE CHECK, THE EMERGENCY ESCAPE PATH LIGHTING FROM STATION 700 (NEAR DOOR TWO) TO STATION 900 (NEAR THE LEADING EDGE OF THE WING ROOT) WAS FOUND TO BE INOPERATIVE. MAINTENANCE FOUND THE ASSOCIATED BATTERY PACK TO BE DEFECTIVE AND REPLACEDJun 18, 2009 · N517US · Boeing 757251 · Emergency LightingSDR NWAA092105520Brake Assy · bindingDURING THE TAKEOFF ROLL, THE AIRCRAFT BEGAN TO DRIFT LEFT OF THE RUNWAY CENTERLINE, THE CREW ATTEMPTED TO CORRECT THE DRIFTING WITH THE APPLICATION OF RIGHT RUDDER BUT WERE UNSUCCESSFUL AND ABORTED THE TAKE OFF BETWEEN 70 AND 80 KNOTS. AFTER AN UNEVENTFUL RETJun 8, 2009 · N520US · Boeing 757251 · Drag Control SystemSDR NWAA092075644Power Supply · inoperativeDURING AN OVERNIGHT LINE CHECK, THE EMERGENCY ESCAPE PATH LIGHTING FROM ROWS 31 AND AFT WERE FOUND TO BE INOPERATIVE. MAINTENANCE REPLACED EMERGENCY LIGHT POWER SUPPLIES M736 AND M737 WHILE ALSO SWAPPING THE CONTROL PINS ON THE SEAT MOUNTED EMERGENCY LIGHT MOJun 5, 2009 · N544US · Boeing 757251 · Emergency LightingSDR NWAA092045644Power Supply · inoperativeDURING AN OVERNIGHT LINE CHECK, THE EMERGENCY EXIT SIGN FOR DOOR FOUR RIGHT WAS INOPERATIVE. MAINTENANCE FOUND THE ASSOCIATED POWER SUPPLY MODULE TO BE THE PROBLEM AND REPLACED IT. SYSTEM OPERATION WAS NORMAL AFTER THE POWER SUPPLY MODULE WAS REPLACED.Jun 4, 2009 · N544US · Boeing 757251 · Emergency LightingSDR NWAA092085644Power Supply · defectiveDURING AN OVERNIGHT LINE CHECK, THE EMERGENCY ESCAPE PATH LIGHTING AT SEATS 33D, 36D AND 39D WERE FOUND TO BE INOPERATIVE. MAINTENANCE FOUND THE ASSOCIATED POWER SUPPLY TO BE DEFECTIVE AND REPLACED IT, SYSTEM OPERATION WAS NORMAL AFTER THE POWER SUPPLY WAS REJun 3, 2009 · N544US · Boeing 757251 · Emergency LightingSDR NWAA092065644Module · inoperativeDURING AN OVERNIGHT LINE CHECK THE EXTERIOR SLIDE ILLUMINATION LIGHT WAS FOUND TO BE INOPERATIVE. MAINTENANCE REPLACED THE ASSOCIATED POWER SUPPLY MODULE AND THE SYSTEM OPERATED NORMALLY AFTER IT WAS REPLACED.Jun 3, 2009 · N544US · Boeing 757251 · Emergency LightingSDR NWAA092015519Fan · smokeIN CRUISE, THE CREW NOTICED ELECTRICAL SMOKE IN THE PASSENGER CABIN. THE FLIGHT CREW PERFORMED THE SMOKE IN CABIN COM PROCEDURE AND DIVERTED TO ALO WHERE THEY MADE AN UNEVENTFUL LANDING. MAINTENANCE FOUND THE SOURCE OF THE SMOKE TO BE THE RIGHT RECIRCULATIONJun 2, 2009 · N519US · Boeing 757251 · Air Distribution FanSDR NWAA091805636Battery Pack · inoperativeDURING OVERNIGHT CHECK, FOUND EMERGENCY LIGHTS INOP. MAINTENANCE REMOVED AND REPLACED POWER SUPPLY AND BATTERY. OPERATIONAL CHECKED GOOD, AND AIRCRAFT WAS RETURNED TO SERVICE.May 21, 2009 · N536US · Boeing 757251 · Emergency LightingSDR NWAA 091665648Battery Pack · inoperativeDURING AN OVERNIGHT LINE CHECK THE EMERGENCY LIGHTS AT DOOR TWO LEFT AND RIGHT WOULD NOT ILLUMINATE. MAINTENANCE FOUND THE ASSOCIATED BATTERY PACK TO BE DEFECTIVE AND REPLACED IT. SYSTEM OPERATION WAS NORMAL AFTER THE BATTERY PACK WAS REPLACED.May 16, 2009 · N548US · Boeing 757251 · Emergency LightingSDR NWAA091625503Skin · corrodedDURING "L" CHECK FOUND CORROSION ON FUSELAGE SKIN AT BS 889 S27L. REPAIRED PER EA 55-215350 SECT I SECTION II REQUIRES DTA ANALYSIS AND APPROVAL FROM BOEING NO LATER THAN MAY 9, 2010.May 10, 2009 · N503US · Boeing 757251 · Fuselage Main, Plate/SkinSDR NWAA091615503Skin Panel · crackedDURING "L" CHECK FOUND CRACK THE NR 2 PYLON NACELLE STRUT RT SKIN PANEL AT NAC STA 107.7-116.09. REPAIRED PER EA 55-215154 SECT I, SECTION II PERMANENT REPAIR TO BE ACCOMPLISHED NO LATER THAN MAY 08, 2011.May 9, 2009 · N503US · Boeing 757251 · Nacelle/Pylon, Plate/SkinSDR NWAASkin · crackedDURING "L" CHECK FOUND CRACK IN NR 2 PYLON NACELLE STRUT RT SKIN PANEL AT NAC STA 107.7-116.09. REPAIRED PER EA 55-215154 SECT I, SECTION II PERMANENT REPAIR TO BE ACCOMPLISHED NO LATER THAN MAY 10, 2009.May 9, 2009 · N503US · Boeing 757251 · Nacelle/Pylon, Plate/SkinSDR NWAA 091575519Oven · smokeTHE NUMBER ONE OVEN IN THE AFT GALLEY WAS EMITTING SMOKE WHEN THE CABIN CREW WAS HEATING UP FOOD FOR THEIR CREW MEALS. THE CABIN CREW IDENTIFIED THAT THE SMOKE WAS COMING FROM THE FAN/HEATING ELEMENT AREA. THE FLIGHT CONTINUED ON TO DTW AND LANDED WITHOUT INCMay 9, 2009 · N519US · Boeing 757251 · Buffet/GalleysSDR NWAA 091545642Battery Pack · inoperativeDURING AN OVERNIGHT LINE CHECK, THE EMERGENCY EXIT SIGN FOR DOOR 4L WAS FOUND TO BE INOPERATIVE. MAINTENANCE FOUND THE ASSOCIATED BATTERY PACK TO BE DEFECTIVE AND REPLACED IT. SYSTEM OPERATION WAS NORMAL AFTER THE BATTERY PACK WAS REPLACED.May 7, 2009 · N542US · Boeing 757251 · Emergency LightingSDR NWAA 091535525Battery Pack · inoperativeDURING AN OVERNIGHT LINE CHECK, THE RIGHT AFT CABIN DOOR EMERGENCY EXIT LIGHT WAS FOUND TO BE INOPERATIVE. MAINTENANCE FOUND THE ASSOCIATED BATTERY PACK TO BE LOOSE AND DISCHARGED. THE BATTERY PACK WAS REPLACED AND THE SYSTEM OPERATED NORMALLY WITH THE NEW BMay 6, 2009 · N525US · Boeing 757251 · Emergency LightingSDR NWAA091445637Wire · cutDURING AN OVERNIGHT LINE CHECK THE FLOOR LEVEL EMERGENCY EXIT SIGN IN FRONT OF LAVATORY K (LEFT AFT) WOULD NOT ILLUMINATE. MAINTENANCE FOUND A CUT WIRE LEADING TO THE SIGN, THE WIRE WAS REPAIRED AND THE EMERGENCY EXIT SIGN OPERATED NORMALLY AFTER THE WIRE WASApr 30, 2009 · N537US · Boeing 757251 · Light System WiringSDR NWAA091405520Battery Pack · defectiveDURING AN OVERNIGHT LINE CHECK THE EMERGENCY LIGHTS IN ROW 14 THROUGH ROW 23 WOULD NOT TEST. MAINTENANCE FOUND TWO BATTERY PACK TO BE DEFECTIVE AND REPLACED THEM. SYSTEM OPERATION WAS NORMAL AFTER THE BATTERY PACKS WERE REPLACED.Apr 29, 2009 · N520US · Boeing 757251 · Emergency LightingSDR NWAA 091275521Oven · smokeIN CRUISE FROM PDX TO MSP, THE OVEN BEGAN TO SMOKE WHEN IT WAS TURNED ON. THE FLIGHT ATTENDANT TURNED THE OVEN OFF AND PULLED THE ASSOCIATED CIRCUIT BREAKER. THE FLIGHT CONTINUED ON AND LANDED UNEVENTFULLY IN MSP. MAINTENANCE REPLACED THE OVEN AND THE SYSTEApr 17, 2009 · N521US · Boeing 757251 · Buffet/GalleysSDR NWAA 09 1205637Battery Pack · defectiveDURING AN OVERNIGHT LINE CHECK THE EMERGENCY ESCAPE PATH LIGHTS IN ROWS 22 TO 26 FAILED TO ILLUMINATE. MAINTENANCE FOUND BATTERY PACK M10568 TO BE DEFECTIVE AND REPLACED IT. SYSTEM OPERATION WAS NORMAL AFTER THE BATTERY PACK WAS REPLACED.Apr 14, 2009 · N537US · Boeing 757251 · Emergency LightingSDR NWAA091165640Battery Pack · defectiveDURING AN OVERNIGHT LINE CHECK, THE EMERGENCY LIGHT FOR THE RT AFT OVER WING EXIT WOULD NOT ILLUMINATE. MX FOUND THE ASSOCIATED BATTERY PACK TO BE DEFECTIVE AND REPLACED IT. SYS OPERATION WAS NORMAL AFTER THE BATTERY PACK WAS REPLACED. (K)Apr 9, 2009 · N540US · Boeing 757251 · Emergency LightingSDR DALA13012475654Floor Panel · corrodedFORWARD CARGO BS 630 SURFACE CORROSION ON FLOOR PANEL. REMOVED CORROSION IAW SRM 53-30-53 PG 4, FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53, PAGE 105. FABRICATED REPAIR DOUBLER IAW AMM 53-01-01, PGS 801 TO 805. INSTALLED REPAIR DOUBLER IAW AMM 53-01-01 PG 801Apr 4, 2009 · N554NW · Boeing 757251 · Fuselage Floor PanelSDR NWAA091015655Battery Pack · defectiveDURING AN OVERNIGHT LINE CHECK, THE EMERGENCY EXIT SIGN IN THE MID-CABIN CEILING AND ABOVE THE LT OVERWING EXIT FAILED TO ILLUMINATE. MX FOUND THE ASSOCIATED BATTERY PACK TO BE DEFECTIVE AND REPLACED IT. SYSTEM OPERATION WAS NORMAL AFTER THE BATTERY PACK WASMar 30, 2009 · N555NW · Boeing 757251 · Emergency LightingSDR NWAA09845635Battery Pack · defectiveDURING AN OVERNIGHT LINE CHECK THE BATTERY PACK THAT POWERS THE LT OVERHEAD EXIT SIGN WAS INOPERATIVE. MX FOUND POWER SUPPLY M10567 TO BE DEFECTIVE AND REPLACED IT. SYS OPS WAS NORMAL AFTER THE BATTERY PACK WAS REPLACED. (K)Mar 22, 2009 · N535US · Boeing 757251 · Emergency LightingSDR DALA13058635639Floor Panel · damagedFWD CARGO FLOOR DAMAGED. REMOVED DAMAGE PER SRM 51-70-13 AND INSPECTED. FABRICATED REPAIR AND INSTALLED.Mar 11, 2009 · N539US · Boeing 757251 · Fuselage Floor PanelSDR NWAA09715646Battery Pack · inoperativeDURING AN OVERNIGHT LINE CHECK THE EMERGENCY LIGHTS AT BOTH SETS OF OVERWING EXITS WERE FOUND TO BE INOPERATIVE. MX FOUND THE ASSOCIATED BATTERY PACKS TO BE DEFECTIVE AND REPLACED THEM. SYS OPS WAS NORMAL AFTER THE BATTERY PACKS WERE REPLACED. (K)Mar 6, 2009 · N546US · Boeing 757251 · Emergency LightingSDR NWAA09645645Battery Pack · inoperativeDURING AN OVERNIGHT LINE CHECK, THE EMERGENCY EXIT SIGNS AT THE LT OVERWING EMERGENCY EXITS WERE INOPERATIVE. MX FOUND THE ASSOCIATED BATTERY PACK TO BE THE CAUSE AND REPLACED IT. SYSTEM OPS WAS NORMAL AFTER THE BATTERY PACK WAS REPLACED. (K)Mar 2, 2009 · N545US · Boeing 757251 · Emergency LightingSDR NWAA09655523Controller · failedTHE CTR OVEN IN THE FIRST CLASS GALLEY OVERHEATED AND BEGAN TO EMIT SMOKE. THE OVEN WAS TURNED OFF, THE FLIGHT CONTINUED ON AND LANDED UNEVENTFULLY. MZ DEFERRED THE OVEN TO MEL AND LATER REPLACED THE OVEN AND OVEN CONTROLLER. SYS OPS WAS NORMAL AND AFTER THE Mar 1, 2009 · N523US · Boeing 757251 · Buffet/GalleysSDR NWAA09605646Battery Pack · defectiveDURING AN OVERNIGHT LINE CHECK, THE EMERGENCY LIGHTS AT ROWS 30 THROUGH 34 FAILED TO ILLUMINATE. MX FOUND BATTERY PACK M735 TO BE DEFECTIVE AND REPLACED IT. SYS OPS WAS NORMAL AFTER THE BATTERY PACK WAS REPLACED. (K)Feb 28, 2009 · N546US · Boeing 757251 · Emergency LightingSDR NWAA09525516Cooling Fan · faultyENROUTE, THE CREW BEGAN TO SMELL AN ELECTRICAL ODOR IN THE FLIGHT DECK AND SHORTLY THEREAFTER THE EICAS MESSAGE EQPT COOLING FAN WAS DISPLAYED. THE COM PROCEDURE WAS PERFORMED, THE SMELL DISSIPATED AND THE FLIGHT LANDED UNEVENTFULLY. MX REPLACED THE EQUIPMENFeb 18, 2009 · N516US · Boeing 757251 · Air Distribution FanSDR NWAA09335644Battery Pack · dischargedEMERGENCY ESCAPE PATH LIGHTS WERE FOUND TO BE INOPERATIVE IN FIRST CLASS AND THE FWD GALLEY DURING AN OVERNIGHT LINE CHECK. MX FOUND BATTERY PACK M00730 TO BE AT FAULT AND REPLACED IT. SYS OPERATION WAS NORMAL AFTER THE BATTERY PACK WAS REPLACED. (K)Jan 31, 2009 · N544US · Boeing 757251 · Emergency LightingSDR NWAA09105530Bear Strap · crackedDURING L-CHECK A CRACK WAS FOUND IN FASTENER HOLE OF BEAR STRAP SKIN COMMON TO THE UPPER FWD CORNER OF MAIN ENTRY DOOR 1L. REPAIRED IAW EA55-214984 SECTION 1. SECTION II REQUIRES MFG TOLERANCE ANALYSIS NO LATER THAN 10 JAN 2010. (K). Jan 10, 2009 · N530US · Boeing 757251 · Fuselage Main, Plate/SkinSDR NWAA09115639Panel · damagedDURING LINE INSP, FOUND DAMAGE TO RT HORIZONTAL STABILIZER LWR PANEL ASSY. REPAIRED IAW EA 56-215120 SEC I. SECTION II REQUIRES INSPECTION AT 12 MONTH INTERVALS. SECTION III REQUIRES MFG TOLERANCE ANALYSIS APPROVAL WITHIN 24 MONTHS OF SECTION I REPAIR. (K)Jan 7, 2009 · N539US · Boeing 757251 · Horizontal Stabilizer, Plate/SkinSDR NWAA0945502Oven · smokeTHE CTR OVEN IN THE FWD GALLEY STARTED TO SMOKE, IT IS UNKNOWN IF ANY PRECAUTIONARY PROCEDURES WERE PERFORMED. THE FLIGHT LANDED UNEVENTFULLY IN MSP WHERE MAINTENANCE FOUND NO EVIDENCE OF FOOD, GREASE OR FOREIGN OBJECTS IN THE OVEN. THE FAN BEARING WAS SUSPEJan 3, 2009 · N502US · Boeing 757251 · Buffet/GalleysSDR NWAA085665503Power Supply · faultyDURING AN OVERNIGHT LINE CHECK THE EMERGENCY ESCAPE PATH LIGHTING FAILED TO OPERATE FROM ROW 14 TO ROW 22. MX FOUND POWER SUPPLY M735 TO BE FAULTY AND REPLACED IT. SYSTEM OP WAS NORMAL AFTER THE POWER SUPPLY WAS REPLACED.Dec 18, 2008 · N503US · Boeing 757251 · Emergency LightingSDR NWAA09125655Power Supply · defectiveDURING AN OVERNIGHT LINE CHECK THE EMERGENCY ESCAPE PATH LIGHTING IN ROWS 1 THROUGH 4 WERE INOPERATIVE ALONG WITH THE EMERGENCY LIGHTS ON THE FWD CLOSET. MX FOUND POWER SUPPLY M732 TO BE DEFECTIVE AND REPLACED IT. SYS OPERATION WAS NORMAL AFTER THE POWER SUPDec 13, 2008 · N555NW · Boeing 757251 · Emergency LightingSDR NWAA085345519Battery Pack · inoperativeDURING AN OVERNIGHT LINE CHECK THE EMERGENCY ESCAPE PATH LIGHTING FROM ROWS 33 TO 41 WERE INOPERATIVE. MX FOUND THE ASSOCIATED BATTERY PACK TO BE DEFECTIVE AND REPLACED IT. SYSTEM OPS WERE NORMAL AFTER THE BATTERY PACK WAS REPLACED.Dec 2, 2008 · N519US · Boeing 757251 · Emergency LightingSDR NWAA085275501Power Supply · inoperativeDURING AN OVERNIGHT LINE CHECK, THE EMERGENCY EXIT LIGHTS AND EXTERIOR SLIDE ILLUMINATION AT DOOR 3L WERE FOUND TO BE INOPERATIVE. MX FOUND THE ASSOCIATED POWER SUPPLY TO BE DEFECTIVE AND IT WAS REPLACED. THE SYSTEM OPERATED NORMALLY AFTER THE DEFECTIVE POWENov 29, 2008 · N501US · Boeing 757251 · Emergency LightingSDR NWAA085265501Power Supply · inoperativeDURING AN OVERNIGHT LINE CHECK THE EMERGENCY ESCAPE PATH LIGHTING IN THE FORWARD CABIN WAS INOPERATIVE. MX FOUND THE ASSOCIATED POWER SUPPLY TO BE DEFECTIVE. THE POWER SUPPLY WAS REPLACED AND THE SYSTEM OPERATED NORMALLY AFTER THE POWER SUPPLY WAS REPLACED.Nov 29, 2008 · N501US · Boeing 757251 · Emergency Lighting
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