# Service difficulty reports: N503US, cancelled Dec 6, 2018 A list on [N503US, cancelled Dec 6, 2018](https://openairdocs.org/deregistered/N503US-2018-12-06.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR DALA12012255503](https://openairdocs.org/sdr/DALA12012255503.md): Battery Pack · inoperative · Nov 4, 2012 · N503US · Boeing 757251 · Emergency Lighting > FOUND EMERGENCY EXIT LIGHT NOT WORKING AT R3 DOOR. REPLACED BATTERY PACK IAW AMM 33-51-00. OPS CHECKED GOOD. - [SDR DALA12007435503](https://openairdocs.org/sdr/DALA12007435503.md): Wire · misrepaired · Sep 16, 2012 · N503US · Boeing 757251 · Light System Wiring > EMERGENCY FLOOR TRACK LIGHTS FROM ROW 14 TO 22 INOP POS: REPAIRED SPLICES AT ROW 15. CHECKED GOOD. - [SDR DALA12005735503](https://openairdocs.org/sdr/DALA12005735503.md): Connector · not seated · Aug 22, 2012 · N503US · Boeing 757251 · Light System Wiring > LT OVERWING EXIT LIGHT INOPERATIVE. RE-SEATED CONNECTOR ON M735 EMERGENCY LTS POWER SUPPLY WDM 33-51-14 FIG 2. OPS CHECK GOOD OK FOR SERVICE SERVICE. - [SDR DALA12005365503](https://openairdocs.org/sdr/DALA12005365503.md): Stringer · cracked · Aug 12, 2012 · N503US · Boeing 757251 · Fuselage Main, Longeron/Stringer > STRINGER 15L HAS A CRACK AT STA 624 REMOVED DAMAGED STRINGER. PERFORMED BHEC OF STRINGER PER B757 SRM 53-00-03 REPAIR 1 FIG 201 STEP 2. FOUND 1 HOLE IN LOWER HAT JUST AFT OF CUT LINE. NO OTHER INDICATIONS. TRIMMED OUT CRACK AND MADE REPAIR PARTS PER B757 S - [SDR DALA1236895503](https://openairdocs.org/sdr/DALA1236895503.md): Skate Angle · cracked · Jun 4, 2012 · N503US · Boeing 757251 · Nacelle/Pylon, Main Frame > RIGHT PYLON AFT INBD SKATE ANGLE CRACKED. REPAIRED IAW EA 06-075495-03 REV E. - [SDR DALA1150475503](https://openairdocs.org/sdr/DALA1150475503.md): Battery Pack · discharged · Aug 28, 2011 · N503US · Boeing 757251 · Emergency Lighting > SEAT ROWS 23-32 EMERGENCY EXIT TRACK LIGHTS INOPERATIVE. REPLACED EMERGENCY LIGHT BATTERY PACK PER B757 M/M 33-50. - [SDR DALA1132995503](https://openairdocs.org/sdr/DALA1132995503.md): Skin · damaged · May 9, 2011 · N503US · Boeing 757251 · Fuselage Main, Plate/Skin > DURING HMV AT BFM, INSPECTION FOUND QTY 2 FASTENER HOLES WITH DRILL START DAMAGE ON OUTER SURFACE OF FUSELAGE SKIN AT STA 373.2 AND STA 367.1. THE SKIN AND BEAR STRAP REPAIRED. ER/A 491306-14 SECTION I. ACCOMPLISHED DURING LCK AT BFM, MAY11 SECTION II-PENDIN - [SDR DALA1132255503](https://openairdocs.org/sdr/DALA1132255503.md): Skin · damaged · May 9, 2011 · N503US · Boeing 757251 · Fuselage Main, Plate/Skin > LT AT STA 373.2 AND STA 367.7 HAS DAMAGE TO OUTER SURFACE OF FUSELAGE SKIN AT STA 372.2 HAS 2 HOLES DRILLED THRU SKIN. FASTENER HOLE HAS DRILL START HAS 2 HOLES DRILLED THRU TRIMMED OUT SKIN AND BEAR STRAP. FABRICATED FILLERS. DOUBLER/TRIPLER INST REPAIR PA - [SDR DALA1100095503](https://openairdocs.org/sdr/DALA1100095503.md): Light · broken · Dec 30, 2010 · N503US · Boeing 757251 · Emergency Lighting > DURING LAYOVER CHECK, FOUND EMERGENCY LIGHT ASSY AT DOOR L4, BROKEN. REATTACHED EMERGENCY LIGHT SIGN. OPS CK GOOD. - [SDR DALA1019235503](https://openairdocs.org/sdr/DALA1019235503.md): Stringer · damaged · Aug 12, 2010 · N503US · Boeing 757251 · Fuselage Main, Longeron/Stringer > DURING LINE INSP, FOUND FUSELAGE STRINGER 16L DAMAGED AFT OF BS 620. REPAIRED IAW SRM 53-00-03 FIG 201, ERA 484616-14. - [SDR DALA1019225503](https://openairdocs.org/sdr/DALA1019225503.md): Skin · dented · Aug 12, 2010 · N503US · Boeing 757251 · Fuselage Main, Plate/Skin > DURING LINE INSP, FOUND FUSELAGE SKIN DENTED AT BS 620 FWD, OF DOOR L2 AT S16L. REPAIRED IAW ERA 484616-14, REV A. - [SDR DALA107125503](https://openairdocs.org/sdr/DALA107125503.md): Power Supply · inoperative · Apr 4, 2010 · N503US · Boeing 757251 · Emergency Lighting > EMERGENCY EGRESS LIGHTING INOP AT CTR AISLE EXIT SIGN BETWEEN DOOR 3R & 3L, AND OUTSIDE DOOR 3L. REPLACED POWER SUPPLY M735, OPS CKS OK. - [SDR DALA102915503](https://openairdocs.org/sdr/DALA102915503.md): Power Supply · malfunctioned · Feb 7, 2010 · N503US · Boeing 757251 · Emergency Lighting > AT PUSH TIME CREW REPORTED FLOOR PATH EMERGENCY LIGHTS AT ROW 33 TO 40 WILL NOT TURN OFF IN ARMED POSITION. REPLACED POWER SUPPLY M9004 IAW AMM. - [SDR NWAA092455503](https://openairdocs.org/sdr/NWAA092455503.md): Battery Pack · defective · Jul 8, 2009 · N503US · Boeing 757251 · Emergency Lighting > DURING 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. - [SDR NWAA091625503](https://openairdocs.org/sdr/NWAA091625503.md): Skin · corroded · May 10, 2009 · N503US · Boeing 757251 · Fuselage Main, Plate/Skin > DURING "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. - [SDR NWAA091615503](https://openairdocs.org/sdr/NWAA091615503.md): Skin Panel · cracked · May 9, 2009 · N503US · Boeing 757251 · Nacelle/Pylon, Plate/Skin > DURING "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. - [SDR NWAA](https://openairdocs.org/sdr/NWAA.md): Skin · cracked · May 9, 2009 · N503US · Boeing 757251 · Nacelle/Pylon, Plate/Skin > DURING "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. - [SDR NWAA085665503](https://openairdocs.org/sdr/NWAA085665503.md): Power Supply · faulty · Dec 18, 2008 · N503US · Boeing 757251 · Emergency Lighting > DURING 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. - [SDR NWAA072715503](https://openairdocs.org/sdr/NWAA072715503.md): Skin · cracked · Jul 20, 2007 · N503US · Boeing 757251 · Nacelle/Pylon, Plate/Skin > DURING "M" CHECK, FOUND CRACK IN NR 2 PYLON SKIN PANEL AT NAC STATION 128. REPAIRED PER EA 55-194182. - [SDR NWAA072705503](https://openairdocs.org/sdr/NWAA072705503.md): Crease Beam · corroded · Jul 18, 2007 · N503US · Boeing 757251 · Fuselage Main, Structure > DURING "M" CHECK, FOUND CORROSION ON RT CREASE BEAM INNER CHORD FROM BS 760 TO 780 RBL 64. REPAIRED PER EA 55-209992. - [SDR NWAA072695503](https://openairdocs.org/sdr/NWAA072695503.md): Floorbeam · corroded · Jul 17, 2007 · N503US · Boeing 757251 · Fuselage Main, Floor Beam > DURING "M" CHECK, FOUND CORROSION ON AFT DECK PLATE SUB FLOOR STRUCTURE AT BS 1717 LBL 60 TO RBL 60. REPAIRED PER EA 55-194183. - [SDR NWAA071985503](https://openairdocs.org/sdr/NWAA071985503.md): Power Supply · malfunctioned · May 28, 2007 · N503US · Boeing 757251 · Emergency Lighting > EMERGENCY FLOOR PROXIMITY LIGHTS IN AFT CABIN ON FLOOR ARE DIM. REMOVED AND REPLACED POWER SUPPLY (WITH BATTERY). LIGHT CHECKS NORMAL. - [SDR 0301865503](https://openairdocs.org/sdr/0301865503.md): Power Supply · inoperative · Sep 30, 2003 · N503US · Boeing 757251 · Emergency Lighting > AFT CABIN EMERGENCY FLOOR PROXIMITY LIGHTING INOPERATIVE. REPLACED POWER SUPPLY (M9004). OPERATIONAL CHECK GOOD. - [SDR 0103295503](https://openairdocs.org/sdr/0103295503.md): Floorbeam · corroded · Aug 27, 2001 · N503US · Boeing 757251 · Fuselage Main, Floor Beam > DURING "H" CHECK FOUND CORROSION ON FLOORBEAM UPPER SURFACE AT BS 1280 LBL 24 TO RBL 24. REPAIRED PER EA 55-185615. - [SDR 0103055503](https://openairdocs.org/sdr/0103055503.md): Floorbeam · cracked · Aug 20, 2001 · N503US · Boeing 757251 · Fuselage Main, Floor Beam > DURING "H" CHECK FOUND CRACK IN FLOORBEAM UPPER CAP AT BS 700 LBL 45. REPAIRED PER EA 55-185931. - [SDR 0100265503](https://openairdocs.org/sdr/0100265503.md): Power Supply · inoperative · Jan 26, 2001 · N503US · Boeing 757251 · Emergency Lighting > WHILE POWERING DOWN AIRCRAFT FOR OTHER MAINTENANCE, FOUND FLOOR ROWS 23 TO 33 FLOOR EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REPLACED THE EMERGENCY LIGHT POWER SUPPLY. OPERATIONAL CHECK OK. - [SDR 0002295503](https://openairdocs.org/sdr/0002295503.md): Engine · failed · Jun 30, 2000 · N503US · Boeing 757251 · Engine (Turbine/Turboprop) > DURING CLIMB, FLIGHT CREW HEARD A LOUD BANG FOLLOWED BY NR 1 ENGINE OVERTEMP. SHUT DOWN THE NR 1 ENGINE. FLIGHT CREW ELECTED TO RETURN TO DEPARTURE AIRPORT. LANDING WAS UNEVENTFUL. MAINTENANCE FOUND METAL IN THE TAILPIPE AND REMOVED AND REPLACED NBR 1 ENGINE. - [SDR 9901425503](https://openairdocs.org/sdr/9901425503.md): Line · broken · Apr 10, 1999 · N503US · Boeing 757251 · Hydraulic System, Main > UPON GEAR EXTENSION ON LANDING, THE LEFT HYDRAULIC SYSTEM LOST ALL PRESSURE AND SYSTEM QUANTITY DECREASED TO ZERO. ALL THREE GEAR WERE DOWN AND LOCKED. THE AIRCRAFT CONTINUED THE APPROACH AND LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS TOWED FROM THE RUNWAY T - [SDR 9806085503](https://openairdocs.org/sdr/9806085503.md): Airspeed Ind · failed · Apr 5, 1998 · N503US · Boeing 757251 · Airspeed/Mach Indicator > LOST CAPTAIN'S AIRSPEED INDICATION ON TAKEOFF ROLL. TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE CAPTAIN'S AIRSPEED INDICATOR WITH A SERVICEABLE UNIT. - [SDR 9714745503](https://openairdocs.org/sdr/9714745503.md): Control Unit · malfunctioned · Jul 29, 1997 · N503US · Boeing 757251 · Leading Edge Slat Position Indicating System > WHILE EXTENDING FLAPS TO FLAP 1 POSITION, LEADING EDGE FLAP DISAGREE LIGHT ANNUNCIATED. AIRCRAFT DIVERTED TO LAX AND PERFORMED AN UNEVENTFUL LANDING. MAINTENANCE REPLACED THE FLAP SLAT ELECTRONIC UNIT. - [SDR 9710015503](https://openairdocs.org/sdr/9710015503.md): Web · cracked · May 6, 1997 · N503US · Boeing 757251 · Nacelle/Pylon Structure > DURING L-CHECK, FOUND CRACK IN NR 2 PYLON SIDE WEB AT CUTOUT FOR CROSS BRACE APPROXIMATELY NACELLE STA 125. REPAIRED PER EA 55-150276. - [SDR 9710005503](https://openairdocs.org/sdr/9710005503.md): Skin · cracked · May 6, 1997 · N503US · Boeing 757251 · Nacelle/Pylon, Plate/Skin > DURING L-CHECK, FOUND CRACK IN NR 2 PYLON INNER SKIN AT AFT UPPER EDGE OF ACCESS 443AL. REPAIRED PER EA 55-150272. - [SDR 9609045503](https://openairdocs.org/sdr/9609045503.md): Battery Pack · discharged · Apr 23, 1996 · N503US · Boeing 757251 · Emergency Lighting > DURING PREFLIGHT, FOUND EMERGENCY LIGHTS AT DOOR 3R AND OVERHEAD LIGHTS AFT RIGHT SIDE OF AIRCRAFT INOPERATIVE. REPLACED BATTERY PACK AT DOOR 3R, SYSTEM CHECKED OK. - [SDR 9603185503](https://openairdocs.org/sdr/9603185503.md): Fuel Press Sw · failed · Feb 8, 1996 · N503US · Boeing 757251 · Fuel Pressure Sensor > DURING TAKEOFF ROLL, NR 2 ENGINE FUEL FILTER MESSAGE APPEARED. TAKEOFF WAS ABORTED AND AIRCRAFT RETURNED TO GATE. MAINTENANCE PERSONNEL REPLACED FUEL FILTER PRESSURE DIFFERENTIAL SWITCH AND OPERATIONAL CHECK OK. - [SDR 9601915503](https://openairdocs.org/sdr/9601915503.md): Power Supply · inoperative · Jan 25, 1996 · N503US · Boeing 757251 · Emergency Lighting > DURING MAINTENANCE, FOUND AFT RIGHT SECTION OF CABIN EMERGENCY LIGHTS ARE INOPERATIVE. REPLACED POWER SUPPLY M736 AND BATTERY, OPERATIONAL CHECK NORMAL. - [SDR 9520825503](https://openairdocs.org/sdr/9520825503.md): Skin · delamination · Dec 1, 1995 · N503US · Boeing 757251 · Rudder, Plate/Skin > DURING T-CHECK, FOUND DELAMINATION IN THE RUDDER TRAILING EDGE SKIN, LEFT SIDE STATION 153. REPAIRED SKIN (P/N 173N2102-33) PER EA 55-103371. - [SDR 9520795503](https://openairdocs.org/sdr/9520795503.md): Seat Track · cracked · Nov 29, 1995 · N503US · Boeing 757251 · Fuselage, Seat/Cargo Attach Fittings > DURING T-CHECK, FOUND A CRACK IN THE RBL 45 LONGITUDINAL FLOOR BEAM SEAT TRACK UPPER CHORD AT BS 898. REPAIRED CHORD (P/N 111N5207-5) PER EA 55-105062. - [SDR 9520785503](https://openairdocs.org/sdr/9520785503.md): Chord · cracked · Nov 29, 1995 · N503US · Boeing 757251 · Fuselage Miscellaneous Structure > DURING T-CHECK, FOUND CORROSION ON THE AFT CARGO DOOR LOWER SILL INNER CHORD, BS 1380-1440. REPAIRED SILL (P/N 146N8522-51) PER EA 55-105061. - [SDR 9519405503](https://openairdocs.org/sdr/9519405503.md): Sill Fitting · corroded · Nov 28, 1995 · N503US · Boeing 757251 · Fuselage Miscellaneous Structure > DURING T-CHECK, FOUND CORROSION IN THE AFT CARGO FORWARD DOOR SILL FITTING. REPLACED FITTING. - [SDR 9517755503](https://openairdocs.org/sdr/9517755503.md): Eel Wire · broken · Nov 9, 1995 · N503US · Boeing 757251 · Emergency Lighting > DURING LINE CHECK, FOUND FLOOR PATH EMERGENCY LIGHTS AT ROWS 23 THROUGH 32 INOPERATIVE. REPAIRED BROKEN WIRE. - [SDR 9508195503](https://openairdocs.org/sdr/9508195503.md): Fuel Control · malfunctioned · May 21, 1995 · N503US · Boeing 757251 · Fuel Control/Turbine Engines > DURING TAXI AND AFTER BOTH ENGINES STABILIZED, THE LEFT ENGINE SHUTDOWN BY ITSELF. RECEIVED LOW OIL PRESSURE WARNING AND LEFT ENGINE PIRMARY CONT MESSAGE. THE FUEL CONTROL WAS THEN SHUTOFF AND THERE WAS A TAILPIPE FIRE. AIRCRAFT WAS RETURNED TO GATE WHERE T ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 n_number = 'N503US' AND deregistration_id = 'N503US-2018-12-06' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N503US-2018-12-06/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.