# Service difficulty reports: N501US, cancelled Mar 29, 2018 A list on [N501US, cancelled Mar 29, 2018](https://openairdocs.org/deregistered/N501US-2018-03-29.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR DALA2015040102543](https://openairdocs.org/sdr/DALA2015040102543.md): Skin · pilot error · Mar 30, 2015 · N501US · Boeing 757251 · Fuselage Main, Plate/Skin > TAIL STRIKE DAMAGE WAS FOUND TO THE LOWER BELLY SKIN. FOUND CORROSION ON EXTERNAL SKIN, AROUND FASTENERS AND CENTER DRAIN HOLE AT BS 1720, S29L TO S29R. N/R 58 Z100 WRITTEN. MEASUREMENT OF DOUBLER THICKNESS IS UNIFORM.075" DOUBLER IAW EA55-32034 IAW SRM. - [SDR DALA12013805501](https://openairdocs.org/sdr/DALA12013805501.md): Battery Pack · inoperative · Nov 25, 2012 · N501US · Boeing 757251 · Emergency Lighting > FIRST CLASS AND FWD COACH EMERGENCY LIGHTING STRIPS ARE VERY DIM INOPERATIVE. REPLACED FWD AND MID BATTERY PACK M9001 AND M9002. REPAIRED WIRE AT 16D ALL OP CKS GOOD REF AMM 33-51 AND SWPM CH 20-00. - [SDR DALA12008105501](https://openairdocs.org/sdr/DALA12008105501.md): Power Supply · inoperative · Sep 22, 2012 · N501US · Boeing 757251 · Emergency Lighting > EMERGENCY EXIT PATH LIGHTS INOPERATIVE. FOUND EMERGENCY LIGHT POWER SUPPLY BAD, REP SAME. OPS CHECKED NORMAL. OK FOR SERVICE. - [SDR DALA12007425501](https://openairdocs.org/sdr/DALA12007425501.md): Fuse · failed · Sep 17, 2012 · N501US · Boeing 757251 · Emergency Lighting > FOUND FWD CABIN EMERGENCY PATH LIGHTS INOPERATIVE. REPLACED FUSES AT PB M9001 IAW AMM 20-00. EMERGENCY LIGHT TEST OK. - [SDR DALA12007565501](https://openairdocs.org/sdr/DALA12007565501.md): Control Panel · malfunctioned · Jun 21, 2012 · N501US · Boeing 757251 · Emergency Lighting > EMERGENCY LIGHTS STAY ON, DIM WITH SWITCH IN OFF POSITION. REPLACED PANEL. - [SDR DALA1228925501](https://openairdocs.org/sdr/DALA1228925501.md): Power Supply · inoperative · May 3, 2012 · N501US · Boeing 757251 · Emergency Lighting > EMERGENCY LIGHT ON "DIM" IN OFF POSITION-EXT POWER APU AND GROUND SERVICE ALL LIGHTS ON DIM WITH SWITCH IN OFF POSITION-AIRCRAFT LEFT WITH EXTERNAL POWER FULLY ON, EMERGENCY LIGHT SWITCH IN ARM POSITION ONLY POSITION LIGHTS ARE EXTINGUISHED. REPLACED COCKPIT - [SDR DALA1204065501](https://openairdocs.org/sdr/DALA1204065501.md): Battery Pack · discharged · Jan 23, 2012 · N501US · Boeing 757251 · Emergency Lighting > DURING LINE CHECK MAINTENANCE PERFORMED EMERGENCY LIGHT TEST AFT RIGHT BIN LIGHT WAS DIM DURING TEST. MAINTENANCE REPLACED BATTERY PACK PER AMM 33-51. LIGHTS NOW TEST GOOD. - [SDR DALA1148645501](https://openairdocs.org/sdr/DALA1148645501.md): Battery · discharged · Aug 16, 2011 · N501US · Boeing 757251 · Emergency Lighting > DURING LINE CHECK FOUND R2 AND R3 EXTERIOR EMERGENCY LIGHTS INOPERATIVE. REPLACED R2 M732 AND ASSOCIATED BATTERY AND L-47 AND L-50 LIGHT ASSEMBLIES. OPS CHECK NORMAL. - [SDR DALA1143745501](https://openairdocs.org/sdr/DALA1143745501.md): Light · inoperative · Jul 16, 2011 · N501US · Boeing 757251 · Emergency Lighting > EMERGENCY EGRESS EXIT LIGHTS INOPERATIVE AT DOORS 1L & 4L. MAINTENANCE RE-LAMPED AS NECESSARY AND THE OPERATIONAL CHECKS ARE GOOD. - [SDR DALA1137575501](https://openairdocs.org/sdr/DALA1137575501.md): Skin · damaged · May 31, 2011 · N501US · Boeing 757251 · Fuselage Main, Plate/Skin > ER/A 493213-14 SECTION I ISSUED FOR SKIN AND BEAR STRAP REPAIR AT THE NR 4 LT PASSENGER DOOR CUTOUT, LOWER FWD CORNER. FOLLOW ON ACTION IS REQUIRED. STA MSP 31MAY11 ACCOMPLISH SECTION II INSPECTION WITHIN 24 MONTHS OF SECTION I. SECTION II IS PENDING A DAMA - [SDR DALA1132135501](https://openairdocs.org/sdr/DALA1132135501.md): Oven · malfunctioned · May 7, 2011 · N501US · Boeing 757251 · Buffet/Galleys > FORWARD GALLEY OVENS HAD FUMES AND SOME SMOKE 5 MINUTES AFTER TAKEOFF. OVENS WERE TURNED OFF AND LEFT, CTR, AND RIGHT OVEN CIRCUIT BREAKERS WERE PULLED. NO FURTHER FUMES OR SMOKE PRESENT FOR REMAINDER OF FLIGHT. RESET CIRCUIT BREAKERS AND TURNED OVENS ON HI - [SDR DALA1126835501](https://openairdocs.org/sdr/DALA1126835501.md): Skate Angle · cracked · Apr 17, 2011 · N501US · Boeing 757251 · Nacelle/Pylon Miscellaneous Structure > RT WING OUTBD OF RT PYLON T/E SKATE ANGLE CRACKED. PERFORMED HFEC INSP IAW NTM 51-00-19 PT 6. STOP DRILLED CRACK IAW SRM 54-52-01-801. REMOVED PNL 455BR IAW SRM 51-40-02. REMOVED SKATE ANGLE IAW SRM 51-40-02. RECEIVED FABBED SKATE ANGLE WITH TRAVELER T11/ - [SDR DALA1126845501](https://openairdocs.org/sdr/DALA1126845501.md): Wedge · damaged · Apr 15, 2011 · N501US · Boeing 757251 · Leading Edge Devices > RT WING SLAT NR 8 LOWER T/E WEDGE PUNCTURED AS MARKED. REMOVED DAMAGE AREA AND FABRICATED DOUBLER REPAIR IAW SRM 51-70-10 PER WORKCARD 5742-01022-02H. DOUBLER FABBED FROM 2024T3-.020. AREA PAINTED IAW MM 51-21-10. - [SDR DALA1125785501](https://openairdocs.org/sdr/DALA1125785501.md): Seat Track · cracked · Apr 13, 2011 · N501US · Boeing 757251 · Fuselage, Seat/Cargo Attach Fittings > COCKPIT AREA, CAPTAINS SEAT, OTBD AFT SEAT TRACK CRACKED AT AFT POSITION, AS MARKED. CONFIRMED CRACK L=0.5" NOT PERMITTED PER SRM 53-00-52, FIG 1, PAGE 101. R & R SEAT TRACK IAW SRM 51-40-02 AND AMM 25-11-01-201-925A-A. - [SDR NWAA094505501](https://openairdocs.org/sdr/NWAA094505501.md): Fuse · blown · Dec 25, 2009 · N501US · Boeing 757251 · Emergency Lighting > THE 1R EMERGENCY SLIDE LIGHT INOPERATIVE. RELAMPED 1R EMERGENCY EVAC SLIDE EXTERIOR LIGHT ASSY WITH NO HELP. DEFERRED LIGHT PER MEL 33-51-2 (DAY OPS ONLY). MSP MAINTENANCE REPLACED THE FUSE IN POWER SUPPLY M730 PER FIM 33-51-00. OPS CHECK GOOD. - [SDR NWAA093015501](https://openairdocs.org/sdr/NWAA093015501.md): Power Supply · discharged · Aug 26, 2009 · N501US · Boeing 757251 · Emergency Lighting > DURING AN OVERNIGHT LINE CHECK THE EMERGENCY LIGHTS FROM ROW 33 AFT INCLUDING THE DOOR FOUR RIGHT EXIT SIGN TO BE INOPERATIVE. MAINTENANCE FOUND POWER SUPPLY M736 TO BE DEFECTIVE AND REPLACED IT. THE SYSTEM OPERATED NORMALLY AFTER THE POWER SUPPLY WAS REPLAC - [SDR NWAA093005501](https://openairdocs.org/sdr/NWAA093005501.md): Battery Pack · discharged · Aug 26, 2009 · N501US · Boeing 757251 · Emergency Lighting > DURING AN OVERNIGHT LINE CHECK THE EMERGENCY EXIT SIGNS AT DOORS ONE LEFT AND FOUR LEFT WOULD NOT ILLUMINATE. MAINTENANCE FOUND POWER SUPPLY AND BATTERY PACK M731 TO BE DEFECTIVE AND REPLACED IT. SYSTEM OPERATION WAS NORMAL AFTER THE POWER SUPPLY AND BATTERY - [SDR NWAA085275501](https://openairdocs.org/sdr/NWAA085275501.md): Power Supply · inoperative · Nov 29, 2008 · N501US · Boeing 757251 · Emergency Lighting > DURING 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 POWE - [SDR NWAA085265501](https://openairdocs.org/sdr/NWAA085265501.md): Power Supply · inoperative · Nov 29, 2008 · N501US · Boeing 757251 · Emergency Lighting > DURING 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. - [SDR NWAA081735501](https://openairdocs.org/sdr/NWAA081735501.md): Battery Pack · inoperative · Apr 21, 2008 · N501US · Boeing 757251 · Emergency Lighting > DURING OVERNIGHT MAINTENANCE, OPERATIONAL CHECK OF THE FLOOR TRACK EMERGENCY EXIT LIGHTS REVEALED THAT THE FIRST CLASS SECTION INCLUDING THE FLOOR LEVEL EXIT LIGHTS AT DOORS 1 LEFT AND 1 RIGHT WERE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE BATTERY PAC - [SDR NWAA072375501](https://openairdocs.org/sdr/NWAA072375501.md): Unknown · malfunctioned · Jun 28, 2007 · N501US · Boeing 757251 · Cabin Pressure Control System > DURING CLIMB, LOST PRESSURIZATION CONTROL AT 35,000 FT, CABIN PRESSURE AT 10,000 FT AND CLIMBING, AND AURAL WARNING SOUNDED. NEITHER AUTO 1 OR AUTO 2 WOULD WORK, TO MANUAL-CLOSED OUTFLOW VALVE, CABIN STILL CLIMBING. CONDUCTED RAPID DESCENT TO 10,000 FT, AND - [SDR NWAA071365501](https://openairdocs.org/sdr/NWAA071365501.md): Switch · failed · Apr 17, 2007 · N501US · Boeing 757251 · Landing Gear Selector > ON CLIMB-OUT PASSING FL 250 AT APPROXIMATELY 290 KNOTS, UNCOMMANDED GEAR EXTENSION OCCURRED WITH THE GEAR HANDLE IN THE OFF POSITION. GEAR GREEN (NOSE, LEFT, RIGHT) AND DOORS AND GEAR AMBER LIGHTS ILLUMINATED UNTIL GEAR HANDLE WAS PUT IN DOWN POSITION THEN GE - [SDR NWAA1365501](https://openairdocs.org/sdr/NWAA1365501.md): Switch · failed · Apr 17, 2007 · N501US · Boeing 757251 · Landing Gear Selector > ON CLIMB OUT PASSING FL 250 AT APPROXIMATELY 290 KNOTS, UNCOMMANDED GEAR EXTENSION OCCURRED WITH THE GEAR HANDLE IN THE OFF POSITION. GEAR GREEN (NOSE, LEFT, RIGHT) AND DOORS AND GEAR AMBER LIGHTS ILLUMINATED UNTIL GEAR HANDLE WAS PUT IN DOWN POSITION THEN GEA - [SDR NWAA071595501](https://openairdocs.org/sdr/NWAA071595501.md): Skin Panel · cracked · Apr 13, 2007 · N501US · Boeing 757251 · Nacelle/Pylon, Plate/Skin > DURING "M" CHECK, FOUND CRACK IN 2 PYLON RT SKIN PANEL LIGHTING HOLE AT NAC STA 133. REPAIRED PER EA 55-208817. - [SDR 0102845501](https://openairdocs.org/sdr/0102845501.md): Floorbeam · cracked · Jul 25, 2001 · N501US · Boeing 757251 · Fuselage Main, Floor Beam > DURING H-CHECK FOUND CRACK IN FLOORBEAM UPPER CAP. REPAIRED PER EA 55-183746. - [SDR 0101835501](https://openairdocs.org/sdr/0101835501.md): Hydraulic Line · ruptured · May 16, 2001 · N501US · Boeing 757251 · Hydraulic System, Main > DURING APPROACH AFTER GEAR EXTENSION, THE LEFT HYDRAULIC SYSTEM LOST ALL FLUID. AN EMERGENCY WAS DECLARED WITH DFR EQUIPMENT CALLED OUT. LANDING WAS UNEVENTFUL. MAINTENANCE REPLACED THE RUPTURED NOSE GEAR STEERING HYDRAULIC LINE AND SERVICED THE LEFT HYDRAU - [SDR 9900295501](https://openairdocs.org/sdr/9900295501.md): Indicator · malfunctioned · Jan 30, 1999 · N501US · Boeing 757251 · Landing Gear Position and Warning > UPON GEAR EXTENSION ON APPROACH INTO DTW, THE LEFT MAIN GEAR DOWN AND LOCKED INDICATOR FAILED TO ILLUMINATE. THE APPROACH WAS ABORTED AND THE GEAR WAS RECYCLED. SUBSEQUENT APPROACH AND LANDING OCCURRED WITHOUT INCIDENT. MAINTENANCE REPLACED THE LEFT MAIN GE - [SDR 9803535501](https://openairdocs.org/sdr/9803535501.md): Battery Pack · discharged · Feb 21, 1998 · N501US · Boeing 727251 · Emergency Lighting > DURING PREFLIGHT, FOUND DOOR 1R AND SEVERAL EMERGENCY LIGHTS IN FIRST CLASS ONLY STAY ON FOR ABOUT 5 SECONDS. REPLACED BATTERY PACK IN POWER SUPPLY M730, OPERATIONAL CHECK OK. - [SDR 9723245501](https://openairdocs.org/sdr/9723245501.md): Actuator · malfunctioned · Dec 7, 1997 · N501US · Boeing 757251 · Drag Control Actuator > AIRCRAFT REQUIRED EXCESSIVE AILERON AND RUDDER TRIM TO FLY STRAIGHT AND LEVEL. CREW OBSERVED THE NR 8 SPOILER FLOAT. AIRCRAFT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NR 8 SPOILER ACTUATOR WITH A SERVICEABLE UNIT, OPERATIONAL CH - [SDR 9716615501](https://openairdocs.org/sdr/9716615501.md): Switch · out of adjust · Sep 1, 1997 · N501US · Boeing 757251 · Door Warning System > DURING TAKEOFF ROLL AT 110 KIAS, THE RIGHT AFT ENTRY DOOR WARNING LIGHT ILLUMINATED. ABORTED TAKEOFF AND RETURNED TO THE GATE. ADJUSTED DOOR 4R DOOR SWITCH AND CLEANED DEBRIS FROM SWITCH. PSEU BITE TEST DOES NOT SHOW ANY FAULTS. FUNCTIONAL TEST OK. - [SDR 9700415501](https://openairdocs.org/sdr/9700415501.md): Door Seal · contaminated · Jan 7, 1997 · N501US · Boeing 757251 · Passenger/Crew Doors > DURING TAKEOFF, THE RIGHT AFT ENTRY DOOR OPEN LIGHT FLICKERED ON AND OFF. TAKEOFF WAS ABORTED AT 110 KNOTS. MAINTENANCE FOUND PLASTIC TABS JAMMED UNDER DOOR. REMOVED PLASTIC TABS, INSPECTED DOOR, LOCKS, LATCHES, AND CHECKED SWITCH ADJUSTMENT. DOOR OPERATIO - [SDR 9624915501](https://openairdocs.org/sdr/9624915501.md): Power Supply · inoperative · Nov 16, 1996 · N501US · Boeing 727251 · Emergency Lighting > DURING PREFLIGHT, FOUND DOOR 4L EMERGENCY LIGHT INOPERATIVE. REPLACED BATTERY POWER SUPPLY, OPERATIONAL CHECK OK. - [SDR 9620545501](https://openairdocs.org/sdr/9620545501.md): Switch · out of adjust · Sep 26, 1996 · N501US · Boeing 757251 · Door Warning System > ABORTED TAKEOFF AT 120 KNOTS DUE TO A LEFT AFT ENTRY DOOR WARNING INDICATION. FOUND THE DOOR CLOSED AND LOCKED. ADJUSTED THE SWITCH PER MM 52-71-00, OPERATIONAL CHECK OK. - [SDR 9613365501](https://openairdocs.org/sdr/9613365501.md): Engine · failed · Jun 17, 1996 · N501US · Boeing 757251 · Engine (Turbine/Turboprop) > DURING TAKEOFF, THE NR 2 ENGINE EGT INDICATION REACHED 880 DEGREES FOR TWO SECONDS. TAKEOFF WAS ABORTED AT 90 KTS. AIRCRAFT RETURNED TO THE GATE. GROUND MAINTENANCE REPLACED THE NR 2 ENGINE. GROUND RUN AND LEAK CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. - [SDR 9613355501](https://openairdocs.org/sdr/9613355501.md): Connector · loose · Jun 15, 1996 · N501US · Boeing 757251 · AC Generator-Alternator > DURING TAKEOFF ROLL, THE RIGHT IDG FELL OFF LINE. TAKEOFF WAS ABORTED WITHOUT INCIDENT. MSP MAINTENANCE FOUND CANNON PLUG BACK SHELL LOOSE. TIGHTENED BACK SHELL. ALSO, FOUND IDG LOW ON OIL. SERVICED PER MAINTENANCE MANUAL. OPERATIONAL CHECK OK. - [SDR 9610635501](https://openairdocs.org/sdr/9610635501.md): Pitot Tube · failed · Apr 13, 1996 · N501US · Boeing 757251 · Pitot/Static System > DURING FLIGHT, THE RIGHT AUXILIARY PITOT CAUTION MESSAGE APPEARED. AIRCRAFT DIVERTED TO DEN AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE RIGHT AUXILIARY PITOT TUBE. SYSTEM OPERATIONAL CHECK OK. - [SDR 9604985501](https://openairdocs.org/sdr/9604985501.md): Position Trans · failed · Feb 29, 1996 · N501US · Boeing 757251 · Stabilizer Position Indicating > DURING APPLICATION OF TAKEOFF POWER, STABILIZER WARNING MESSAGE ILLUMINATED AND TAKEOFF WAS ABORTED. VERIFIED STABILIZER TRIM SETTING WAS WITHIN GREEN BAND AND MESSAGE REMAINED. MAINTENANCE REPLACED THE CENTER STABILIZER TRIM POSITION TRANSMITTER AND OPERATI - [SDR 9515985501](https://openairdocs.org/sdr/9515985501.md): Floorbeam · corroded · Sep 29, 1995 · N501US · Boeing 757251 · Fuselage Main, Floor Beam > DURING T-CHECK, FOUND CORROSION ON THE FS 365 FLOORBEAM UPPER CHORD FROM RBL 1 TO 62. REPAIRED BEAM (P/N 141N5112), PER EA 55-99005. - [SDR 9514985501](https://openairdocs.org/sdr/9514985501.md): Fitting · corroded · Sep 25, 1995 · N501US · Boeing 757251 · Fuselage Miscellaneous Structure > DURING T-CHECK, FOUND CORROSION ON THE LAVATORY MOUNT FITTING BS 336 AT LBL 20. REPLACED FITTING. - [SDR 9515815501](https://openairdocs.org/sdr/9515815501.md): Door Sill · corroded · Sep 22, 1995 · N501US · Boeing 757251 · Fuselage Miscellaneous Structure > DURING T-CHECK, FOUND CORROSION ON THE AFT CARGO DOOR LOWER SILL INNER CHORD FS 1380 TO 1440. REPAIRED CHORD (P/N 146N8522-51), PER EA 55-99002. ## 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 = 'N501US' AND deregistration_id = 'N501US-2018-03-29' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N501US-2018-03-29/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.