N420UP

Service difficulty reports · 226

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

Query with SQL
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 n_number = 'N420UP' AND registry_match = 'registration'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR IPXA2026101214195Fuel Sys · out of balanceRT FUEL TANK 0.5 OR GREATER FUEL LOSS INDICATIONS. FUEL GAUGE INDICATING 500 SPLIT. FUEL FLOW MATCHES. AILERON TRIM 1 DEGREE. FUEL BALANCED ON TKOF. REPEAT ISSUE. PERFORMED REFUEL VALVE LEAK TEST REF MM 28-26-01 NO MIGRATION FOUND.Oct 6, 2026 · N420UP · Boeing 75724APF · Fuel StorageSDR IPXA2026100614195Fuel Sys · out of balanceRT FUEL TANK 0.5 OR GREATER FUEL LOSS INDICATIONS. FUEL GAUGE INDICATING 500 SPLIT. FUEL FLOW MATCHES. AILERON TRIM 1 DEGREE. FUEL BALANCED ON TKOF. REPEAT ISSUE. DEFERRED FUEL IMBALANCE IAW AMM 28-21-00-702-001, PAR. B (2).Oct 6, 2026 · N420UP · Boeing 75724APF · Fuel StorageSDR IPXA2025103155348Window · cracked1R WINDOW CRACKED IN CRUISE FLT AT FL390. C/W STEPS OF R1 WIINDOW INSTALL IAW AMM 56-11-01. OPS AND LEAK CHECK GOOD.Oct 25, 2025 · N420UP · Boeing 75724APF · Flight Compartment WindowsSDR IPXA2025102755348Window · crackedDIVERSION, 1R WINDOW CRACKED IN CRUISE FLT AT FL390. OPENOct 25, 2025 · N420UP · Boeing 75724APF · Flight Compartment WindowsSDR IPXA2025020635608Pseu · faultedAIR TURN BACK* FAULT- BTW ON 2-2-25 @ 1430Z, BACK TO PNS BROUGHT A/C OUT OF MTC FOR GEAR CHANGE. ON CLIMBOUT WITH GEAR HANDLE IN OFF POSITION, HAD HALF OF LEFT GEAR LIGHT ILLUMINATED, LE. INSTALLED ROBED PSEU OPS CHECK GOOD IAW AMM 32-09-04-404-009. INSTALLED Feb 2, 2025 · N420UP · Boeing 75724APF · Landing Gear Position and WarningSDR IPXA2025013172057Transition Panel · corrodedAFT CARGO TRANSITION PANEL (CURRENTLY ON PANEL RACK) HAS CORROSION ON LOWER SURFACE AROUND 24 EA. NUTPLATES. (AREAS CIRCLED IN RED) DOT 142-366. CORROSION WAS REMOVED BY HAND IN 13 AREAS OF THE NUT PLATE.CHECK THE BOUNDARIES IN THE AFFECTED AREAS.DEEPEST THICKJan 13, 2025 · N420UP · Boeing 75724APF · Fuselage Miscellaneous StructureSDR IPXA2025012041574Seat Track · corrodedSEAT TRACK AT STA 520 LBL 24.75 HAS CORROSION. DOT 142-319. CLEANED AREA IAW SRM 51-10-02. ORIGINAL MATERIAL THICKNESS OF SEAT TRACK CROWN IS, 0.130". A MATERIAL LOSS OF 0.006" WAS NOTED USING ULTRA SONIC, T93968. MAX LOSS ALLOWED IS 0.020". REMAINING THICKNESJan 11, 2025 · N420UP · Boeing 75724APF · Fuselage, Seat/Cargo Attach FittingsSDR IPXA2025012041608Floor Panel · corrodedMAIN CABIN FLOOR DECKING UNDER FLOOR PANEL 231XJF STA 560 TO 620 BTWN LBL 64 AND 45.50 HAS AREAS OF CORROSION. CIRCLED IN RED. DOT 142-320. CLEANED MULTIPLE AREAS IAW SRM 51-10-02. ORIGINAL MATERIAL THICKNESS FOR ALL AREAS IS 0.100". ALL FOUND TO BE IN LIMITS Jan 11, 2025 · N420UP · Boeing 75724APF · Fuselage Floor PanelSDR IPXA2025012845154Cover Plate · corrodedFLOOR BRACKET BTWN BL-0 AND LBL 8 DENTED AND HAS 8 EA DOME NUTS WITH CORROSION IN AND AROUND HOLES. INSTALLED COVER PLATE IN STA 900 BL, 0 AND 8 E/A DOME NUTS IAW SRM 51-40-02, GOOD ISSUE VOUCHER, DOME NUTS. OSD: 1/29/2025Jan 11, 2025 · N420UP · Boeing 75724APF · Fuselage Miscellaneous StructureSDR IPXA2025012042686Seat Track · corrodedCORROSION AROUND 2 EA RIVETS STA 680 LBL 45.5 SEAT TRACK. REMOVED CORROSION IN TWO POINTS AFTER REWORK:P1) ORIGINAL THICKNESS 0.070'' MATERIAL LOSS 0.003'' MATERIAL REMAINING 0.067''.P2) ORIGINAL THICKNESS 0.070'' MATERIAL LOSS 0.002''MATERIAL TEMAINING 0.068'Jan 11, 2025 · N420UP · Boeing 75724APF · Fuselage, Seat/Cargo Attach FittingsSDR IPXA2025012844732Seat Track · corrodedMAIN CABIN FLOOR STRUCTURE AT STA 1020 TO STA 1040 RBL 45.5 HAS CORROSION AROUND 5 EA. FASTENER HOLES. DOT 142-328. EVALUATED REWORK FIVE PAINTS IN MAIN CABIN FLOOR STRUCTURE AT STA 1020 TO STA 1040 RBL 45.5. MATERIAL THICKNESS 0.090''AFTER REWORK, P1) MATERIAJan 11, 2025 · N420UP · Boeing 75724APF · Fuselage, Seat/Cargo Attach FittingsSDR IPXA2025012042868Floorbeam · corrodedFLOOR BEAM STA 560 BTWN BL-0 AND LBL 24.75 IS CORRODED. DOT 142-326. EVALUATED DAMAGE IN FLOOR BEAM STA 560 BTWN BL-0 AND LBL24.75.:P1)ORIGINAL THICKNISS 0.220'' MATERIAL LOSS 0.010'' MAXIMUN ALLOWABLE 0.022'' MATERIAL REMANING 0.210''.P2) ORIGINAL THICKNISS Jan 11, 2025 · N420UP · Boeing 75724APF · Fuselage Main, Floor BeamSDR IPXA2025012041655Shear Web · corrodedMAIN CABIN DECKING STA 620 TO 660 BTWN LBL 64 AND LBL 45.5 HAS NUMEROUS AREAS OF CORROSION. CIRCLED IN RED. DOT 142-322. ORIGINAL MATERIAL 0.063" AFTER REWORK 0.059", MATERIAL REMOVED 0.004" FOUND TO BE IN LIMITS PER SRM 53-30-15-1A-3 DETAIL II. TOOL T17449.Jan 11, 2025 · N420UP · Boeing 75724APF · Fuselage Miscellaneous StructureSDR IPXA2025012042718Seat Track · corrodedSEAT TRACK AT STA 600 RBL 64 IS CORRODED ON INSIDE OF TRACK. DOT 142-324. RESTORED SURFACE PROTECTION IAW.SRM 51-20-01 AMM 51-21-15. MATERIAL USED ALODINE P/N ALODINE1132 BATCH 0004336881. PRIMER P/N 02-013-8 BATCH 4263196, WHITE P/N PG6-W2K4Q BATCH 4340857 ANJan 11, 2025 · N420UP · Boeing 75724APF · Fuselage, Seat/Cargo Attach FittingsSDR IPXA2025012042799Floorbeam · corrodedFLOOR BEAM STA 560 BTWN RBL 45.5 AND RBL 24.75 IS CORRODED. DOT 142-325. VERIFIED EVALUATED DAMAGE IN FLOOR BEAM STA 560 BTWN RBL 45.5 AND 24.75 FOUND TO BE WITHIN LIMITS. GIVEN OK TO RESTORE SURFACE PROTECTION. RESTORED SURFACE PROTECTION IAW.SRM 51-20-01 ANJan 11, 2025 · N420UP · Boeing 75724APF · Fuselage Main, Floor BeamSDR IPXA2025012041370Seat Track · corrodedFLOOR STRUCTURE AT STA 440 LBL 24.75 UNDER FLOOR PANEL 231XBF HAS AREA OF CORROSION. DOT 142-314. RESTORED SURFACE PROTECTION IAW SRM 51-20-01 AND TOP COAT IAW AMM 51-21-15. MATERIALS USED.Jan 11, 2025 · N420UP · Boeing 75724APF · Fuselage, Seat/Cargo Attach FittingsSDR IPXA2025012041456Seat Track · corrodedSEAT TRACK AT STA 500 LBL 45.5 IS CORRODED. DOT 142-316. CLEANED AREA IAW SRM 51-10-02. ORIGINAL MATERIAL THICKNESS OF SEAT TRACK CROWN IS, 0.130". A MATERIAL LOSS OF 0.006" WAS NOTED USING ULTRA SONIC, T93968. MAX LOSS ALLOWED IS 0.020". REMAINING THICKNESS IJan 11, 2025 · N420UP · Boeing 75724APF · Fuselage, Seat/Cargo Attach FittingsSDR IPXA2025012041468Floor Panel · corrodedMAIN CABIN FLOOR DECKING UNDER FLOOR PANEL 231XFF HAS AREAS OF CORROSION ON DECKING. DOT 142-317. CLEANED MULTIPLE AREAS IAW SRM 51-10-02. ORIGINAL MATERIAL THICKNESS FOR ALL AREAS IS 0.100". ALL FOUND TO BE IN LIMITS IAW SRM 53-10-51-1A-2.Jan 11, 2025 · N420UP · Boeing 75724APF · Fuselage Floor PanelSDR IPXA2025012041407Web · corrodedMAIN CABIN FLOOR DECKING STA 440 TO 460 BTWN LBL 24.75 TO LBL 65 HAS NUMEROUS AREAS OF CORROSION. (UNDER FLOOR PANEL 221XCF) (CIRCLED IN RED) DOT 142-315. CLEANED MULTIPLE AREAS IAW SRM 51-10-02. ORIGINAL MATERIAL THICKNESS FOR ALL AREAS IS 0.100". ALL FOUND TJan 11, 2025 · N420UP · Boeing 75724APF · Fuselage Miscellaneous StructureSDR IPXA2025012404769Deck Plate · corrodedCORROSION FOUND BOTTOM OF THE FRAME AT STA 1681.80 APPROX 5" LEFT OF RBL 24.75. AREA MARKED IN RED. INSTALLED 1 EA PLATE + 2 FASTENERS PN BACB30NW6K5X BTCH 000349754. IAW SRM 51-40-02-OG.Jan 9, 2025 · N420UP · Boeing 75724APF · Fuselage Main, StructureSDR IPXA2025012404348Deck Plate · corrodedCORROSION FOUND BOTTOM OF THE FRAME AT STA 1681.80 APPROX 13" LEFT OF RBL 24.75. AREA MARKED IN RED. INSTALLED 1 EA PLATE + 2 FASTENERS PN BACB30NW6K5X BTCH 000349754. IAW SRM 51-40-02-OG.Jan 9, 2025 · N420UP · Boeing 75724APF · Fuselage Main, StructureSDR IPXA2025012004883Deck Plate · corrodedFAULT: CORROSION FOUND ON SURFACE OF THE DECK PLATE AROUND A FASTENER HOLE AT STA 1681.80 APPROX 5.75" LEFT OF LBL 24.75. AREA MARKED IN RED. INSTALLED 1 PLATE + 2 EA FASTENERS REMOVED FOR FOM IAW SRM 51-40-02 OG. FASTENER PN BACB30NW6K5 BTCH 0004349754.Jan 9, 2025 · N420UP · Boeing 75724APF · Fuselage Main, StructureSDR IPXA2025012005151Deck Plate · corrodedCORROSION FOUND AROUND 3EA FASTENERS ON THE TOP OF THE DECK PLATE AT STA 1701, RBL 24.75. AREA MARKED IN RED. INSTALLED 3 FASTENERES IAW SRM 51-40-02-OG. PN BACB30NW6K8X BTCH 0004346844. REQUET OK TO RESTORE SUFACE PROTECTION.Jan 9, 2025 · N420UP · Boeing 75724APF · Fuselage Main, StructureSDR IPXA2025012005950Seat Track · corrodedCORROSION FOUND ON TOP OF THE SEAT TRACK FLANGE AROUND 2EA ATTACHING FASTENERS AT STA 1681.80 RBL 45.50. AREA MARKED IN RED. INSTALLED 2 FASTENERES IAW SRM 51-40-02-OG. PN BACB30NY6K8X BTCH 0004346844. REQUET OK TO RESTORE SUFACE PROTECTION.Jan 9, 2025 · N420UP · Boeing 75724APF · Fuselage, Seat/Cargo Attach FittingsSDR IPXA2025012089351Seat Track · corrodedTHE SEAT TRACK FLANGE AT BL-0 STA 1681.80, HAS PITTING CORROSION AROUND THE ATTACHING FASTENERS. ALL DAMAGE MARKED IN RED. INSTALLED 2 FASTENERES IAW SRM 51-40-02-OG. PN BACB30NY6K8X BTCH 0004346844. REQUET OK TO RESTORE SUFACE PROTECTION.Jan 8, 2025 · N420UP · Boeing 75724APF · Fuselage, Seat/Cargo Attach FittingsSDR IPXA2025012959818Angle · corrodedFOUND AN ANGLE CORRODED UNDER DECK PLATE AT STA 1720 RBL 24. INSTALLED 1 NEW ANGLE IAW SRM B757-200 SRM 51-40-02-OG. OSD: 1/30/2025Jan 7, 2025 · N420UP · Boeing 75724APF · Fuselage Miscellaneous StructureSDR IPXA2025012959971Angle · corrodedCORRODED ANGLE FOUND UNDER THE DECK PLATE AT STA 1720 LBL 5. INSTALLED 1 NEW ANGLE IAW SRM B757-200 SRM 51-40-02-OG. PN BACR15GF6D7 BTCH 0003812153. 0.20 LB.. OSD: 1/30/2025Jan 7, 2025 · N420UP · Boeing 75724APF · Fuselage Miscellaneous StructureSDR IPXA2025013165597Angle · damagedCORRODED ANGLE FOUND UNDER THE DECK PLATE AT STA 1720 RBL 30.Jan 7, 2025 · N420UP · Boeing 75724APF · Fuselage Miscellaneous StructureSDR IPXA2025012948449Beam · dentedFWD CARGO DOOR, AFT LOWER CORNER EDGE BEAM HAS A DENT AND GOUGES. INSTALLED CORNER BRACKET PER SRM 51-40-02. OSD: 1/30/2025Jan 6, 2025 · N420UP · Boeing 75724APF · Cargo/Baggage DoorsSDR IPXA2025020332269Deck Plate · corrodedMAIN CARGO COMPARTMENT DECK PLATE STA 1720 FROM LBL 22 TO RBL 22 HAS CORROSION. ACCOMPLISH REPAIR PER 757-200PF SRM REV 121 CHAPTER 53-60-51-2R-5, ALTERNATIVE 1 - CUTOUT REPAIR.Jan 4, 2025 · N420UP · Boeing 75724APF · Fuselage Main, StructureSDR IPXA2025020332464Angle · corrodedMAIN CARGO COMPT. STA 1715 LBL 12 UNDER THE DECK PLATE SUPPORT ANGLE HAS CORROSION. INSTALLED 1 NEW ANGLE IAW SRM B757-200 SRM 51-40-02-OG. PN BACR15GF6D7 BTCH 0003812153. 0.20 LB.Jan 4, 2025 · N420UP · Boeing 75724APF · Fuselage Miscellaneous StructureSDR IPXA2025013031348Stop · gougedRIGHT WINSHIELD WIPER STOP IS GOUGED. ALL WORK ACCOMPLISHED PER IAW EO: EO-92507-REQ 1 AND VT MAE EA 757-3042-27-A3762 REV -.Jan 4, 2025 · N420UP · Boeing 75724APF · Windshield/Door Rain/Ice RemovalSDR IPXA2025012932464Angle · corrodedMAIN CARGO COMPT. STA 1715 LBL 12 UNDER THE DECK PLATE SUPPORT ANGLE HAS CORROSION. OPENJan 4, 2025 · N420UP · Boeing 75724APF · Fuselage Miscellaneous StructureSDR IPXA2025012032339Deck Plate · corrodedMAIN CARGO COMPT. STA 1690 TO STA 1704 BL 0 DECK PLATE HAS CORROSION. VERIFIED INSTALLED FASTENERS IAW SRM 51-40-02-OG. RESTORED SURFACE PROTECTION IAW SRM 51-20-01 AND TOP COAT IAW AMM 51-21-15. MATERIALS USED.Jan 4, 2025 · N420UP · Boeing 75724APF · Fuselage Main, StructureSDR IPXA2025012032269Floor Support · corrodedSTR MAIN CARGO COMPARTMENT DECK PLATE STA 1720 FROM LBL 22 TO RBL 22 HAS CORROSION REQUEST OK TO REINSTALL 1 SUPPORT ANGLE REMOVED FOR FOM ON STEP 2.Jan 4, 2025 · N420UP · Boeing 75724APF · Fuselage Miscellaneous StructureSDR IPXA2025012032379Deck Plate · corrodedMAIN CARGO COMPT. STA 1681.8 BETWEEN BL 0 TO LBL 22 DECK PALTE HAS CORROSION. VERIFIED: PERFORMED OPEN-HOLE HFEC INSP ON ALL FASTENER HOLES IN THE BLENDED REPAIR AREA AT STA 1681.80 BETWEEN BL-0 TO LBL 22. ALL FASTENER HOLES IN THE REPAIR AREA ARE CRACK / DEFEJan 4, 2025 · N420UP · Boeing 75724APF · Fuselage Main, StructureSDR IPXA2025020778667Fitting · gouged*SUPPLEMENTAL SDR* FAULT: STR Z-800 CREW DOOR FWD LOWER ROLLER LOCK FITTING IS GOUGED. DOT 142-16. ACCOMPLISHED WORK PER SREO-14721-REQ001. REVIEWEDDec 31, 2024 · N420UP · Boeing 75724APF · Passenger/Crew DoorsSDR IPXA2025013178700Skin · corrodedEXTERIOR SKIN AT STA 1440,S-27R HAS BULDGING SKIN. INSTALLED (1EA) SPLICE PLATE, (1EA) SPLICE CHANNEL AND (1EA) SHIM ASSY, (2EA) ANGLES, (1EA) CLIP, (2EA) TIE DOWN, (1EA) SUPPORT, (1EA) ANGLE, (1EA) PLATE AND (1EA) INTERCOSTAL IAW B757-200PF SRM 51-40-02-0G-Dec 31, 2024 · N420UP · Boeing 75724APF · Fuselage Main, Plate/SkinSDR IPXA2025010278667Fitting · gouged**SDR FILED OPEN** FAULT: STR Z-800 CREW DOOR FWD LOWER ROLLER LOCK FITTING IS GOUGED. DOT 142-16 APPROVEDDec 31, 2024 · N420UP · Boeing 75724APF · Passenger/Crew DoorsSDR IPXA2023081506852Door · warning messageL FWD ENT DOOR EICAS MSG AFTER START R/REPLACED CREW ENTRY DOOR PROX SENSOR PER AMM 52-71-00 NOW ENTRY DOOR INDICATION OK PLACARD REMOVEDAug 6, 2023 · N420UP · Boeing 75724APF · Door Warning SystemSDR IPXA2023080606852Unknown · unknown*SDR FILED OPEN* L FWD ENT DOOR EICAS MSG AFTER START DEFERRED PER MEL 52-71-1. DMP C/W.Aug 6, 2023 · N420UP · Boeing 75724APF · Door Warning SystemSDR IPXA2023013080343Floorbeam · corrodedINSPECTION TYPE:SEG3*MAJOR REPAIR* MAIN CARGO COMPARTMENT AT FS 879 RBL 46 TO RBL 53 HAS SURFACE CORROSION.REPAIRED UPPER FLOOR BEAM CHORD AT FS 879 RBL 24 TO RBL 68 PER EA# B757-5310-85731-A STEPS THROUGH 26.Jan 28, 2023 · N420UP · Boeing 75724APF · Fuselage Main, Floor BeamSDR IPXA2023012590240Frame · dentedINSPECTION TYPE:SEG2*MAJOR REPAIR* AFT LOWER CARGO PIT AT FS 1520 1.5" BELOW STR 26R FOUND TWO DENTS ON THE UPPER FLANGEREPAIRED FRAME 1520 IAW SRM 53-60-07-2R-5 AS PER RCD 265735Jan 24, 2023 · N420UP · Boeing 75724APF · Fuselage Main, FrameSDR IPXA2023012590256Frame · dentedINSPECTION TYPE:SEG2*MAJOR REPAIR* LOWER AFT CARGO PIT AT FRAME 1520 HASDENT.REPAIRED PER SRM 53-00-07-2R-5 PER RCD 265737Jan 13, 2023 · N420UP · Boeing 75724APF · Fuselage Main, FrameSDR IPXA2023012490221Frame · dentedINSPECTION TYPE:SEG2, MAJOR REPAIR, BS 1300 FRAME HAS DENTS ON UPPER FLANGE AT STRINGER 26L. REPAIRED THE FRAME IAW SRM 53-00-07-2R-6.Jan 13, 2023 · N420UP · Boeing 75724APF · Fuselage Main, FrameSDR IPXA2023012490218None · noneINSPECTION TYPE:SEG2, MAJOR REPAIR, EXISTING REPAIR WAS FOUND AT BS 1460 STRINGER 25L TO 27. LINSPECTED REPAIR IAW EO B757-531027182-C. ORIG SUBMISSION DATE: 1/24/2023Jan 10, 2023 · N420UP · Boeing 75724APF · Standard Practices/StructuresSDR IPXA2022121388951Bulb · inoperativeEMERGENCY DECLARED, LANDED NORMALLY, NOSE GEAR LIGHT WAS INOPERATIVE. NO ASSOCIATED EICAS MESSAGE. REMOVED AND REPLACED THE NOSE GEAR INDICATOR BULBS IAW AMM 33-13-01-0401. OPS NORMAL.Dec 12, 2022 · N420UP · Boeing 75724APF · Landing Gear Position and WarningSDR IPXA2021123077400None · noneINSPECTION TYPE:N/AEMERGENCY LIGHT FAILED TO TESTREPLACED BATTERY PACK REF AMM 33-51-07-902-001 OPS NORMALDec 29, 2021 · N420UP · Boeing 75724APF · Emergency LightingSDR IPXA2021052169670Bearing · bindingINSPECTION TYPE:NACREW ENTRY DOOR DIFFICULT TO OPEN FROM THE INSIDEREMOVED LOWER PLATE AND ROLLER BEARING ASSY PER MM 52 10 00 825 REMOVED AND REPLACED ROLLER ASSY PER MM 52 10 00 825 007May 21, 2021 · N420UP · Boeing 75724APF · Passenger/Crew DoorsSDR IPXA2021050769122Door · lack of lubeINSPECTION TYPE:NACOCKPIT ENTRY DOOR DIFFICULT TO OPEN. STICKS WHEN PULLING INWARDLUBRICATED CREW ENTRY DOOR IAW AMM 12-21-20. OK FOR SERVICE.May 5, 2021 · N420UP · Boeing 75724APF · Passenger/Crew Doors
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