# Service difficulty reports: N502US, cancelled Dec 6, 2018 A list on [N502US, cancelled Dec 6, 2018](https://openairdocs.org/deregistered/N502US-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 DALA12016555502](https://openairdocs.org/sdr/DALA12016555502.md): Battery Pack · inoperative · Dec 16, 2012 · N502US · Boeing 757251 · Emergency Lighting > EXIT SIGNS INOPERATIVE AT DOOR 3L ON EMERGENCY LIGHT TEST. R & R BATTERY PACK AND CHARGER IAW AMM 33-51. OPS CHECKED GOOD. ACFT OK FOR SERVICE. - [SDR DALA12016325502](https://openairdocs.org/sdr/DALA12016325502.md): Skin · damaged · Dec 14, 2012 · N502US · Boeing 757251 · Fuselage Main, Plate/Skin > DISCOVERED BURN MARK BS 660 AT SKIN BUTT SPLICE BETWEEN STR 28 & 29 RT. BLENDED BURN MARK TO WITHIN ALLOWABLE DAMAGE LIMITS OF SRM 53-00-01 DETAIL I MAX MATERIAL REMOVED.010" OK FOR SERVICE. - [SDR DALA12016315502](https://openairdocs.org/sdr/DALA12016315502.md): Skin · damaged · Dec 14, 2012 · N502US · Boeing 757251 · Fuselage Main, Plate/Skin > DISCOVERED A BURN MARK ON SKIN BS 669 OTBD OF STR 29 RT. BLENDED BURN MARK TO WITHIN ALLOWABLE LIMITS. MAX MATERIAL REMOVED.017" IAW SRM 53-00-01, DETAIL II. - [SDR DALA12016375502](https://openairdocs.org/sdr/DALA12016375502.md): Skin · damaged · Dec 13, 2012 · N502US · Boeing 757251 · Fuselage Main, Plate/Skin > FOUND EVIDENCE OF LIGHTNING STRIKE ON LOWER FWD FUSELAGE. COMPLETED LIGHTNING STRIKE INSPECTION IAW AMM 05-51-19. - [SDR DALA12014175502](https://openairdocs.org/sdr/DALA12014175502.md): Light · inoperative · Nov 28, 2012 · N502US · Boeing 757251 · Emergency Lighting > F/A FOUND EMERGENCY FLOOR LIGHTING DAMAGED OR INOPERATIVE AT LOCATION 301. MX REPAIRED, SECURED AND CHECKED SPACING AND OPERATIONS OF EMERGENCY FLOOR TRACK LIGHTING IAW FLOOR PANEL MOUNTED LIGHTING DWG NR SD33-40331, EFF 5501-5534. - [SDR DALA1218885502](https://openairdocs.org/sdr/DALA1218885502.md): Battery Pack · activated · Mar 26, 2012 · N502US · Boeing 757251 · Emergency Lighting > DURING OPS CHECK MAINTENANCE FOUND EMERGENCY LIGHTS AT DOOR R2 REMAINED ON WITH LIGHT SWITCH OFF. MAINTENANCE REPLACED BAD BATTERY PACK (M9002). OPERATION OF LIGHTS NOW CHECK OK PER AMM 33-51. - [SDR DALA1163275502](https://openairdocs.org/sdr/DALA1163275502.md): Power Supply · inoperative · Nov 12, 2011 · N502US · Boeing 757251 · Emergency Lighting > DURING LINE CHECK MAINTENANCE FOUND AFT CABIN EMERGENCY TRACK LIGHTING INOP. MAINTENANCE REPLACED POWER SUPPLY. OPERATION OF LIGHTS NOW CHECK GOOD. - [SDR DALA1149265502](https://openairdocs.org/sdr/DALA1149265502.md): Light · inoperative · Aug 20, 2011 · N502US · Boeing 757251 · Emergency Lighting > EMERGENCY ESCAPE HATCH RED FLOOR LIGHT AT SEAT 15 INOPERATIVE. REPLACED LIGHT ASSEMBLY. - [SDR DALA1101045502](https://openairdocs.org/sdr/DALA1101045502.md): Skin · dented · Jan 5, 2011 · N502US · Boeing 757251 · Fuselage Main, Plate/Skin > DENT ON FUSELAGE SKIN, STA 1728 BETWEEN STR 29R AND 27R. COMPLIED WITH ERA 488470-14 REV ORIGINAL. - [SDR DALA1102035502](https://openairdocs.org/sdr/DALA1102035502.md): Skin · dented · Jan 4, 2011 · N502US · Boeing 757251 · Fuselage Main, Plate/Skin > DENT ON FUSELAGE SKIN AT ANTENNA MOUNT PAD AT BS 1550, S28L. ACCOMPLISHED ERA 488466-14, REV ORIGINAL. COMPLETED INSPECTED BY STA QC 060, RII COMPLETED BY STA QC 060. - [SDR DALA1100735502](https://openairdocs.org/sdr/DALA1100735502.md): Frame · cracked · Dec 31, 2010 · N502US · Boeing 757251 · Fuselage Main, Frame > DURING L CHECK A CRACK WAS FOUND ON THE LOWER LOBE CARGO FRAME WEB AT STA 1440, BETWEEN S-25R AND S-26R. COMPLIED WITH ERA NR 488094-14, REV ORIGINAL. REPAIR APPROVAL IS LIMITED TO 12 MONTHS ONLY. ADDITIONAL EA IS REQUIRED. - [SDR DALA1100745502](https://openairdocs.org/sdr/DALA1100745502.md): Stringer · corroded · Dec 28, 2010 · N502US · Boeing 757251 · Fuselage Main, Longeron/Stringer > AFT CARGO PIT S-29L HAS EXFOLIATION CORROSION AT STA 1660. REMOVED FLOOR PANEL AFT CARGO PIT AT STA 1510 TO 1640 IAW SRM 51-40-02, PG 10. REMOVED SUPPORT MOUNTING ASSY AND 2 EA CLIPS AND SPLICE ANGLE IAW SRM 51-40-02. FABRICATED AND INSTALLED REPLACEMEN - [SDR DALA1036635502](https://openairdocs.org/sdr/DALA1036635502.md): Cable · out of adjust · Dec 22, 2010 · N502US · Boeing 757251 · Passenger/Crew Doors > DURING L-CHECK, L-1 DOOR FAILED, EMERGENCY POWER ACTUATION CABLE TRAVEL CHECK IAW T/C 5211-7001-1L, STEP 3, FOUND ADJUSTMENT STUD ON TRIGGER ASSY FULLY EXTENDED AND SPRING CLIP MISSING. REMOVED L-1 DOOR WAY LINER AT FWD SIDE OF DOOR IAW AMM 25-21-06-401, ADJU - [SDR DALA1100755502](https://openairdocs.org/sdr/DALA1100755502.md): Pan · corroded · Dec 21, 2010 · N502US · Boeing 757251 · Fuselage Miscellaneous Structure > LAV SERVICE PAN HAS HEAVY CORROSION ON INSIDE SURFACE VIEWED THRU FWD CARGO LT SIDE WALL BETWEEN STA 700 AND 720 AT STR 21L. R & R PAN DOUBLER IAW SRM 51-40-02 AND DWG 143N3412. - [SDR DALA1051285502](https://openairdocs.org/sdr/DALA1051285502.md): Module · inoperative · Dec 12, 2010 · N502US · Boeing 757251 · Emergency Lighting > DURING A LAYOVER CHECK, MX FOUND THE EMERGENCY PATH LIGHT AT 23D INOPERATIVE. MX REPLACED THE LIGHT MODULE. OPS CHECK WAS GOOD. - [SDR DALA1023935502](https://openairdocs.org/sdr/DALA1023935502.md): Skin · cracked · Sep 27, 2010 · N502US · Boeing 757251 · Nacelle/Pylon, Plate/Skin > DURING RT ENGINE CHANGE FOUND CRACK IN PYLON SKIN AT 2 O’ CLOCK POSITION NEXT TO FASTENER LIGHTNING HOLE. REPAIRED IAW ERA 485603-14, SEC I, SEC II REQUIRES PERMANENT REPAIR WITHIN 24 MONTHS OR 3000 CYCLES AFTER SECTION I ACCOMPLISHMENT. - [SDR DALA1010025502](https://openairdocs.org/sdr/DALA1010025502.md): Circuit Breaker · tripped · May 16, 2010 · N502US · Boeing 757251 · Emergency Lighting > EMERGENCY LIGHTS FROM DOOR 2 AFT ILLUMINATED. FOUND EMERGENCY CHG RT P11-N35 CIRCUIT BREAKER OPEN. RESET CIRCUIT BREAKER AND PERFORMED OPS TEST OF EMERGENCY LIGHTS IAW AMM 33-51-00-50. OK FOR SERVICE. - [SDR NWAA092235502](https://openairdocs.org/sdr/NWAA092235502.md): Power Supply · defective · Jun 18, 2009 · N502US · Boeing 757251 · Emergency Lighting > DURING 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. - [SDR NWAA0945502](https://openairdocs.org/sdr/NWAA0945502.md): Oven · smoke · Jan 3, 2009 · N502US · Boeing 757251 · Buffet/Galleys > THE 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 SUSPE - [SDR NWAA083725502](https://openairdocs.org/sdr/NWAA083725502.md): Skin · cracked · Aug 9, 2008 · N502US · Boeing 757251 · Nacelle/Pylon, Plate/Skin > DURING NR1 ENG CHANGE FOUND CRACK IN PYLON SKIN AT NAC STA 132. REPAIRED PER IA 55-213789 SECT I. SECT II REQUIRES PERMANENT REPAIR TO BE ACCOMPLISHED WITHIN 24 MONTHS OR 3000 CYCLES AFTER SECTION 1. (S) - [SDR NWAA071295502](https://openairdocs.org/sdr/NWAA071295502.md): Slide · dislodged · Apr 11, 2007 · N502US · Boeing 757251 · Escape Slide > DURING OVERNIGHT CHECK, RAMP PERSONNEL OPENED DOOR 4 RIGHT AND ESCAPE SLIDE FELL OUT OF HOLDER ONTO THE RAMP. SLIDE WAS REMOVED AND AIRCRAFT WAS MAINTENANCE FERRIED TO DTW TO HAVE A NEW SLIDE INSTALLED. MAINTENANCE INSTALLED A NEW SLIDE AND GIRT BAR OPERATION - [SDR NWAA070605502](https://openairdocs.org/sdr/NWAA070605502.md): Unknown · unknown · Feb 18, 2007 · N502US · Boeing 757251 · Cabin Pressure Control System > AFTER LEVEL OFF AT FL350 CABIN ALTITUDE HORN AND LIGHT CAME ON. CABIN ALTITUDE WAS OBSERVED TO BE CLIMBING THROUGH 11,000 FEET. EMERGENCY DESCENT WAS ACCOMPLISHED. OVERWEIGHT LANDING ACCOMPLISHED AT 202,500 LBS. TROUBLESHOT PER FIM 21-51-00. PERFORMED PAC - [SDR 0700125502](https://openairdocs.org/sdr/0700125502.md): Battery Pack · discharged · Jan 16, 2007 · N502US · Boeing 757251 · Emergency Lighting > EMERGENCY LIGHT AT DOOR 2L AND EMERGENCY PROXIMITY LIGHTS AT PASSENGER SEATS 20-23 INOPERATIVE. REPLACED EMERGENCY BATTERY PACK AND BATTERY AT DOOR 2L CEILING. FLOOR TRACK EMERGENCY LIGHTS CHECK NORMAL. - [SDR 0602875502](https://openairdocs.org/sdr/0602875502.md): Skin · damaged · Dec 19, 2006 · N502US · Boeing 757251 · Fuselage Main, Plate/Skin > DURING LINE INSPECTION, FOUND SCRIBE LINE DAMAGE TO FUSELAGE SKIN AT S4R BS 1428. REPAIRED PER EA 55-208233. - [SDR 0602825502](https://openairdocs.org/sdr/0602825502.md): Skin · damaged · Dec 19, 2006 · N502US · Boeing 757251 · Fuselage Main, Plate/Skin > DURING LINE INSPECTION, FOUND SCRIBE LINE DAMAGE TO FUSELAGE SKIN AT S4R FROM BS 1459-1621. REPAIRED PER EA 55-208234. - [SDR 0401965502](https://openairdocs.org/sdr/0401965502.md): Door Frame · cracked · Nov 2, 2004 · N502US · Boeing 757251 · Fuselage Main, Structure > DURING L-CHECK FOUND CRACKED HOLE NR 7 AT UPPER CORNER OF NR 1 LT PASSENGER DOOR JAMB. REPAIRED PER EA 55-200848. - [SDR 0101625502](https://openairdocs.org/sdr/0101625502.md): Power Supply · inoperative · May 6, 2001 · N502US · Boeing 757251 · Emergency Lighting > DURING EMERGENCY LIGHT TEST, THE FIRST CLASS LIGHTING BATTERY PACK FAILED. MAINTENANCE REPLACED THE POWER SUPPLY. OPERATIONAL CHECK NORMAL. - [SDR 0101815502](https://openairdocs.org/sdr/0101815502.md): Channel · corroded · Apr 27, 2001 · N502US · Boeing 757251 · Fuselage Miscellaneous Structure > DURING H-CHECK FOUND CORROSION ON INBOARD CHANNEL OF NUMBER 2 PASSENGER DOORWAY LOWER SILL BETWEEN BS 720 TO BS 740. REPAIRED PER EA 55-183809. - [SDR 0101765502](https://openairdocs.org/sdr/0101765502.md): Floorbeam · corroded · Apr 27, 2001 · N502US · Boeing 757251 · Fuselage Main, Floor Beam > DURING H-CHECK FOUND CORROSION ON FLOORBEAM AT BS 1681. REPAIRED PER EA 55-183364. - [SDR 0101785502](https://openairdocs.org/sdr/0101785502.md): Floorbeam · cracked · Apr 25, 2001 · N502US · Boeing 757251 · Fuselage Main, Floor Beam > DURING H-CHECK FOUND CRACK IN FLOORBEAM UPPER CAP AT BS 680 LBL 25. REPAIRED PER EA 55-183446. - [SDR 0101795502](https://openairdocs.org/sdr/0101795502.md): Floorbeam · cracked · Apr 24, 2001 · N502US · Boeing 757251 · Fuselage Main, Floor Beam > DURING H-CHECK FOUND CRACK IN FLOORBEAM UPPER CAP AT BS 700 LBL 25. REPAIRED PER EA 55-183447. - [SDR 0101805502](https://openairdocs.org/sdr/0101805502.md): Floorbeam · corroded · Apr 6, 2001 · N502US · Boeing 757251 · Fuselage Main, Floor Beam > DURING H-CHECK FOUND CORROSION ON FLOORBEAM UPPER CAP AT BS 377 RBL 10. REPAIRED PER EA 55-183448. - [SDR 0101775502](https://openairdocs.org/sdr/0101775502.md): Support Fitting · corroded · Apr 6, 2001 · N502US · Boeing 757251 · Fuselage Miscellaneous Structure > DURING H-CHECK FOUND CORROSION ON SEAT TRACK SUPPORT FITTING AT BS 418 RBL 45. REPAIRED PER EA 55-183418. - [SDR 0004135502](https://openairdocs.org/sdr/0004135502.md): Engine · smoke · Nov 5, 2000 · N502US · Boeing 757251 · Engine (Turbine/Turboprop) > DURING TAKEOFF, SMOKE/FUMES ENTER THE COCKPIT. TAKEOFF WAS ABORTED AT 130 KNOTS AND AIRCRAFT RETURNED TO THE GATE. MAINTENANCE IDENTIFIED NR 1 ENGINE AS THE SOURCE OF SMOKE IN THE CABIN. REPLACED NR 1 ENGINE. - [SDR 9803695502](https://openairdocs.org/sdr/9803695502.md): Gcu · malfunctioned · Feb 19, 1998 · N502US · Boeing 757251 · AC Regulator > LEFT ENGINE GENERATOR DROPPED OFF LINE ON TAKEOFF ROLL. THE TAKEOFF WAS ABORTED AND AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE GENERATOR CONTROL UNIT WITH A SERVICEABLE PART. RUN-UP AND SYSTEM CHECK WAS SATISFACTORY. - [SDR 9521065502](https://openairdocs.org/sdr/9521065502.md): Idg · failed · Dec 16, 1995 · N502US · Boeing 757251 · Alternator-Generator Drive > DURING TAKE-OFF, NR 1 GENERATOR DROPPED OFF LINE. ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE REPLACED THE NR 1 IDG AND CANNON PLUG D5132. OPERATIONAL AND LEAK CHECK NORMAL. - [SDR 9520845503](https://openairdocs.org/sdr/9520845503.md): Floor Beam · corroded · Dec 2, 1995 · N502US · Boeing 757251 · Fuselage Main, Floor Beam > DURING T-CHECK, FOUND CORROSION ON THE AFT CARGO BS 1681 FLOOR BEAM FORWARD UPPER CHORD, LBL 52-RBL 14. REPAIRED CHORD (P/N 146N5091) PER EA 55-105068. - [SDR 9517765502](https://openairdocs.org/sdr/9517765502.md): Eel Wire · broken · Nov 7, 1995 · N502US · Boeing 757251 · Emergency Lighting > DURING LINE CHECK, FOUND COCKPIT EMERGENCY LIGHT INOPERATIVE. REPAIRED BROKEN WIRE, OPERATIONAL CHECK NORMAL. - [SDR 9516685502](https://openairdocs.org/sdr/9516685502.md): Fitting · corroded · Oct 19, 1995 · N502US · Boeing 757251 · Fuselage Miscellaneous Structure > DURING T-CHECK, FOUND CORROSION ON THE BS 1383 TIE DOWN FITTING. REPLACED FITTING. - [SDR 9516515502](https://openairdocs.org/sdr/9516515502.md): Sill · corroded · Oct 17, 1995 · N502US · Boeing 757251 · Fuselage Miscellaneous Structure > DURING T-CHECK, FOUND CORROSION ON THE NR 3 EMERGENCY EXIT DOOR LOWER SILL INNER CHORD. REPAIRED CHORD (P/N 146N8326-2), PER EA 55-104324. - [SDR 9511115502](https://openairdocs.org/sdr/9511115502.md): Telephone Box · malfunctioned · Jul 18, 1995 · N502US · Boeing 757251 · Communications System > AT ALTITUDE, THERE WAS A STRONG ELECTRICAL SMOKE SMELL IN THE FIRST CLASS SECTION. THE SMELL WAS ISOLATED TO AN AIRPHONE UNDER-SEAT AUDIO BOX. THE AIRPHONE CIRCUIT BREAKER WAS PULLED AND THE BOX WAS REMOVED AND PLACED IN A PLASTIC BAG IN THE COCKPIT. BOTH C ## 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 = 'N502US' AND deregistration_id = 'N502US-2018-12-06' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N502US-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.