N446UP

Service difficulty reports · 184

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 = 'N446UP' 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 IPXA2026101326102Smoke Goggles · deterioratedSECOND OBSERVERS SMOKE GOGGLES HAVE DETERIORATED FOAM SEAL. REMOVED AND REPLACED SECOND OBSERVERS SMOKE GOGGLES IAW AMM 25-64-00.Oct 13, 2026 · N446UP · Boeing 75724APF · Emergency EquipmentSDR IPXA2025032415186Unknown · odorON DEPARTURE, MAX PWR T/O , STRONG SMELL OF €ŒDIRTY SOCKS? ON FLT DECK. PERSISTED UNTILL LEVEL OFF AT FL 360. RIGHT ENGINE WAS R+R TO CORRECT STRONG ODOR OF DIRTY SOCKS ON T3F18E008GUME AND T3F18E008GUMD. NO DIRTY SOCKS SMELL PRESENT DURING ENGINE RUNS.Mar 17, 2026 · N446UP · Boeing 75724APF · Air Distribution SystemSDR IPXA2026031815186Unknown · odorON DEPARTURE, MAX PWR T/O , STRONG SMELL OF DIRTY SOCKS ON FLT DECK. PERSISTED UNTILL LEVEL OFF@ FL 360. REF FIM 21-00 TASK SUPPORT. REFERENCE: 21-00-01/301 ISOLATED SMELL TO RIGHT ENGINE BY ISOLATING BLEEDS AT HIGH POWER, NOTED TO ONLY OCCUR WHILE USING RIGHTMar 17, 2026 · N446UP · Boeing 75724APF · Air Distribution SystemSDR IPXA2026011613640Unknown · odorAT APPLICATION OF TAKEOFF POWER AND DURING CLIMB-OUT, THE STRONG ODOR OF DIRTY WET SOCK EXISTED. THE SMELL LESSENED A BIT DURING CRUISE BUT WAS STILL NOTABLY PRESENT FOR THE REMAINDER OF THE FLIGHT. PERFORMED FIM. INSPECTED POSSIBLE SOURCE AREAS, NO SOURCE NJan 15, 2026 · N446UP · Boeing 75724APF · Air Distribution SystemSDR IPXA2026011513640Unknown · odorAT APPLICATION OF TAKEOFF POWER AND DURING CLIMB-OUT, THE STRONG ODOR OF DIRTY WET SOCK EXISTED. THE SMELL LESSENED A BIT DURING CRUISE BUT WAS STILL NOTABLY PRESENT FOR THE REMAINDER OF THE FLIGHT. AT SDF MGMT REQUEST, OPERATED LEFT AND RIGHT AIR PACKS FOR APJan 15, 2026 · N446UP · Boeing 75724APF · Cabin Cooling SystemSDR IPXA2025021215360Fuel Sys · out of balanceIN FLIGHT FUEL IMBALANCE OF 2KLBS DEVELOPED WITH RIGHT SIDE LESS. WE BALANCED IT. 1HR LATER DURING ARRIVAL RIGHT SIDE WAS 1KLBS LESS THEN THE LEFT AGAIN ON SHORT FINAL FMC TOTALIZER FUEL SHOWED 9.9L WORK PERFORMED UNDER TASK CARD #T3F18E005Z998: R/R CTR TK, FWFeb 6, 2025 · N446UP · Boeing 75724APF · Aircraft Fuel Distribution SystemSDR IPXA2025020715360Fuel Sys · out of balanceIN FLIGHT FUEL IMBALANCE OF 2KLBS DEVELOPED WITH RIGHT SIDE LESS. WE BALANCED IT. 1HR LATER DURING ARRIVAL RIGHT SIDE WAS 1KLBS LESS THEN THE LEFT AGAIN ON SHORT FINAL FMC TOTALIZER FUEL SHOWED 9.9. OPENFeb 6, 2025 · N446UP · Boeing 75724APF · Aircraft Fuel Distribution SystemSDR IPXA2024122093310Anti-Ice Valve · faulted**EMERGENCY DECLARED**AFTER TAKE OFF ,STATUS MESSAGE R ENG TAI VALVE CAME ON AND STAYED ON VERIFIED DMP IS C/W PER MEL 30-21-1-1Dec 19, 2024 · N446UP · Boeing 75724APF · Engine Anti-Icing SystemSDR IPXA2024102974638Angle · corrodedUPON OK TO INSTALL FOUND LH ELEVATOR O/B BONDING JUMPER ATTACHMENT POINT TO HAVE EXFOLIATED CORROSION ON HORIZONTAL STAB. DOT 142-501. INSTALLED NEW L/H ELEVATOR O/B BONDING JUMPER ATTACHMENT POINT (ANGLE) AND JUMPER STRAP I.A.W. SRM 51-40-02-0G. MATERIAL: P/NOct 17, 2024 · N446UP · Boeing 75724APF · Elevator Miscellaneous StructureSDR IPXA2024101981219Stringer Splice · corrodedHEAVY CORROSION FOUND AT STR 20LH PRODUCTION SPLICE, BETWEEN STA 1620 TO STA 1640. INSTALLED STRINGER CLIP AND NEW PRODUCTION SPLICE USING FASTENER PN: BACR15FV6KE8, BT: 0004204699; PN: BACB30NX6K3X, BT: 0004325757; BACB30NX8K4, BT: 0004296514. IAW SRM 51-40-0Oct 5, 2024 · N446UP · Boeing 75724APF · Fuselage Main, Longeron/StringerSDR IPXA2024101574000Floor Panel · damagedMAIN DECK FLOOR PANEL 242 XBF LOWER SURFACE PROTECTION MATERIAL SHOWS A BLOWN SPOT. DOT 75-014 HA-75. FABRICATED MCD FLOOR PANEL 242 XBF P/N:144N5361-19 USING MATERIAL P/N:5024N400001SS-G BATCH: 0000096292 I.A.W. SREO B757-5320-9692-K.Oct 5, 2024 · N446UP · Boeing 75724APF · Fuselage Floor PanelSDR IPXA2024102941447Skin · corrodedRH ELEVATOR TIP, LOWER SURFACE SKIN HAS CORROSION. DOT 28-02. FABRICATED NEW SPLICE PLATE I.A.W. SRM 55-20-01-OI-1, DETAIL 1. MATERIAL: P/N 6061-T4.025B, BTCH# 0002942746. BONDED CONDUCTIVE FRAME TO THE R/H LWR ELEVATOR PANEL WITH PN 04-001-0109 BATCH # 431841Oct 3, 2024 · N446UP · Boeing 75724APF · Elevator, Plate/SkinSDR IPXA2023122069443Fuel Tank · out of balanceDEVELOPED 1.4K FUEL IMBALANCE. T/O PLUS 45 MINUTES LEFT MAIN 1.4K HEAVIER THAN RIGHT MAIN. ACCOMPLISHED FUEL MIGRATION CHECK FROM RIGHT MAIN TANK TO CENTER MAIN TANK REF 757 FIM 28-21-813 FIG 110 SHT 4 BULK 33. AFTER 1 HR NO FUEL MIGRATION INTO CENTER TANK. SYDec 17, 2023 · N446UP · Boeing 75724APF · Fuel StorageSDR IPXA2023121869443Unknown · unknownDEVELOPED 1.4K FUEL IMBALANCE. T/O PLUS 45 MINUTES LEFT MAIN 1.4K HEAVIER THAN RIGHT MAIN.Dec 17, 2023 · N446UP · Boeing 75724APF · Aircraft Fuel SystemSDR IPXA2023011789993Fuel Cell · unknownINFLIGHT DIVERSION TO STL DUE TO INDICATIONS OF FUEL LEAK IN RT TANK. ONCE CTR FUEL USED THE RT FUEL TANK TOTAL SLIGHTLY DECREASED AT A GREATER RATE THAN THE LT CREATING A FUEL SPLIT. THE RATE COULD NOT BE SLOWED WITH SPLIT, CHECKED ALL FUEL TANKS FOR LEAKS IAJan 16, 2023 · N446UP · Boeing 75724APF · Fuel StorageSDR IPXA2022111788188A/C Pack · odorWHEN RIGHT PACK OPERATED STRONG WET DOG SMELL IN FLIGHT DECKOPERATD RIGHT AND LEFT PACK COULD NOT DUPLICATE SMELL. NO DEFECTS NOTED. PER AMM 21-00-00-862-001Nov 16, 2022 · N446UP · Boeing 75724APF · Cabin Cooling SystemSDR IPXA2022101987246Door · inoperativeINSPECTION TYPE:N/A**ATB**CAUTION "RUDDER RATIO" AFTER T/O PASSING 1500' REQUIRED ATBRH RRCM SHOWS HARD CVDT FAULT. OPEN VERT STAB TE PANELS AS REQUIRED. REPLACED RUDDER RATIO LUDT IAW AMM 27-21-12-422. ACCOMPLISHED RRCA OSCILLATION CHECK & ADJUSTED THE RUDDEROct 16, 2022 · N446UP · Boeing 75724APF · Trailing Edge Flap Control SystemSDR IPXA2022101087030Frame · dentedINSPECTION TYPE:SEG3FWD CARGO FRAME AT STA 740, BETWEEN S-24R AND S-25R HAS A DENTREPAIRED IAW SRM 53-00-07-2R-5 DETAIL III AND RCD 287458Sep 27, 2022 · N446UP · Boeing 75724APF · Fuselage Main, FrameSDR IPXA2022101187052Frame · dentedINSPECTION TYPE:SEG3FRAME 1360 ON THE R/H SIDE HAS A DENT ON TOP OF THE FLANGE BY S26RACCOMPLISHED REPAIR PER 757-200PF SRM REV 115.0 CHAPTER 53-00-07-2R-5 DETAIL IIISep 26, 2022 · N446UP · Boeing 75724APF · Fuselage Main, FrameSDR IPXA2022101287074Doubler · corrodedINSPECTION TYPE:SEG3#2 PYLON O/B AFT SKIN, INTERNAL DOUBLER HAS CORROSION BETWEEN PP STA 144-425 AN 153.90 THAT WAS FOUND TO BE OUT OF LIMITSREPAIRED IAW UPS EO B757-5430-84933-A, UPS RCD 287402 AND VT MAE EA 757-5450-27-A3054 REV-Sep 24, 2022 · N446UP · Boeing 75724APF · Nacelle/Pylon, Plate/SkinSDR IPXA2022101187063Doubler · corrodedINSPECTION TYPE:SEG3#2 PYLON IB AFT SKIN INTERNAL DOUBLER HAS CORROSION BETWEEN PP STA 153.960 - PP STA 163.10ACCOMPLISHED REPAIR PER UPS EO B757-5430-84941-A AND VT MAE EA 757-5450-27-A3056 REV- AND RCD 287400Sep 24, 2022 · N446UP · Boeing 75724APF · Nacelle/Pylon, Plate/SkinSDR IPXA2022100686899None · noneINSPECTION TYPE:SEG3DURING INSPECTION PER EO B757-5310-73926-A FOUND AN EXISTING REPAIR AT STA 1320 S26R-S25RACCOMPLISHED PER EO B757-5310-84517-A AND VT MAE EA 757-5360-27-A3044 REV-Sep 23, 2022 · N446UP · Boeing 75724APF · Standard Practices/StructuresSDR IPXA2022100586872Panel · delaminatedINSPECTION TYPE:SEG3R/H VERT. STAB. LWR FWD TORQUE BOX PANEL HAS 1 EA. AREA OF DELAMINATION/DISBOND.REPAIRED PANEL IAW B757 SRM 51-70-10-2R-4, PER SRM 55-30-01-2R-5Sep 23, 2022 · N446UP · Boeing 75724APF · Vertical Stabilizer, Plate/SkinSDR IPXA2022100486840None · noneINSPECTION TYPE:SEG3DURING INSPECTION PER EO B757-5310-73926-A FOUND AN EXISTING REPAIR AT STA 1280 S26R-S25RACCOMPLISHED ALTERNATE INSPECTION PER UPS EO B757-5310-33992-C AND VT MAE EA 757-5360-27-A3043 REV-Sep 23, 2022 · N446UP · Boeing 75724APF · Standard Practices/StructuresSDR IPXA2021111976143None · noneINSPECTION TYPE:N/A*DIVERSION*NO EMERGENCY DECLARED*LANDED WITHOUT INCIDENT* NO POSSIBLE FUEL MIGRATION FROM R FUEL TANK TO L MAIN FUEL TANK. AFTER CENTER TANK EMPTIED, WITH FUEL BURNS ALMOST EQUAL (3.4 KPPH ON LEFT/ 3.2 KPPH ON RIGHT), RIGHT TANK APPEARED TO Nov 18, 2021 · N446UP · Boeing 75724APF · Fuel Quantity IndicatorSDR IPXA2021110375571None · noneINSPECTION TYPE:N/A**DIVERSION - EMERGENCY DECLARED** - CENTER HYDRAULIC QUANTITY LOW LIGHT MSG. RAN CHECKLISTR&R C HYD QUANTITY TRANSMITTER PER AMM 29-33-01. OPS CHECK GOOD. IPC 29-31-01-02-015.Nov 2, 2021 · N446UP · Boeing 75724APF · Hydraulic Indicating SystemSDR IPXA2021071371648Evas Unit · inoperativeCAPT'S L/H EVAS, COCKPIT SMOKE VISION SYSTEM , INOP. DEFERRED CAPT'S EVAS IAW MEL 25-60-01, DMP C/W, PLACARD INSTALLED,PARTS ORDERED ON REQ# 359345, A/C OK TO CONTINUE, P/N OFF 107STC-265, S/N OFF 0050Y03PINSTALLED A NEW LH EVAS IAW 757 AMM 25-69-00-400-801C1Jul 13, 2021 · N446UP · Boeing 75724APF · Emergency EquipmentSDR IPXA2021022265932Skin · dentedINSPECTION TYPE: SEG 2 FUSELAGE SKIN AT STA 500-530 STR 19L-20L HAS INCOMING DENT DAMAGE. REPAIRED PER EA 757-5330-27-A2548 REV-.Feb 22, 2021 · N446UP · Boeing 75724APF · Fuselage Main, Plate/SkinSDR IPXA2020123063969Flap System · malfunctionedINSPECTION TYPE: N/A EMERGENCY DECLARED. FLIGHT LANDED UNEVENTFUL, FAA NOTIFIED. WHEN SELECTING FLAPS 20, TRAILING EDGE FLAP DISAGREE EICAS & LIGHT ILLUMINATED FLAP POSITION WAS BETWEEN 15 & 20. PERFORMED FIM 27-51 TASK 815-808, STEPS 1, 3, 21, AND 53. REPDec 29, 2020 · N446UP · Boeing 75724APF · Trailing Edge Flap Control SystemSDR IPXA2020090960035Warning Message · illuminatedINSPECTION TYPE: SDR FILED OPEN, EMERGENCY DECLARED, LANDED WITHOUT INCIDENT. EMERGENCY TRUCKS WERE WAITING DURING LANDING, UPON SELECTION OF FLAPS 20 EICAS TE FLAPS DISAGREE. T/S PER FIM 27-51-00-818-808 BLOCK (STEP) NR 3. FOUND TRIP INDICATOR ON NR 5 TRANSep 8, 2020 · N446UP · Boeing 75724APF · Trailing Edge Flap Control SystemSDR IPXA2019060762897Fmc · inoperativeATB - LEFT FMC FAIL.R/R LEFT FMC PER AMM 34-61-01/401.Jun 4, 2019 · N446UP · Boeing 75724APF · Flight Management Computing Hardware SystemSDR IPXA2019041214962Bulb · inoperativeEMERGENCY LIGHT HAS THREE INOP BULBS.R&R THREE BULBS IN EMERGENCY LIGHT PEN AMM 33-51-01-2.Apr 11, 2019 · N446UP · Boeing 75724APF · Emergency LightingSDR IPXA2018060630358Transceiver · failedWEATHER RADAR FAILED. AIR TURNBACK, PERFORMED WX RADAR BITE PROCEDURE IAW FIM 34-43-00. R & R THE WEATHER RADAR TRANSCIEVER IAW AMM 34-43-01, OPS CHECKED GOOD.Jun 3, 2018 · N446UP · Boeing 75724APF · Weather Radar SystemSDR IPXA2018040528232Unknown · odorSTRONG DIRTY SOCK ODOR FROM RIGHT PACK, OPERATED THE RIGHT PACK FOR 30 MINUTES IAW MM 21-00-00-862-001. COULD NOT DUPLICATE THE ODOR. OKAY TO CONTINUE FLIGHT.Apr 4, 2018 · N446UP · Boeing 75724APF · Air Distribution SystemSDR IPXA2017060117779Smoke Goggles · crackedCOURIER SMOKE GOGGLES CRACKED. REPLACED THE SMOKE GOGGLES.Jun 1, 2017 · N446UP · Boeing 75724APF · Emergency EquipmentSDR IPXA2017060117756Floor Support · dentedINSPECTION TYPE: C-12, AFT CARGO, RT SIDE BY UPPER DOOR SILL, RT OTBD FLOOR SUPPORT IS DENTED ON THE TOP FLANGE. REPAIRED IAW SRM 53-00-53-2R.May 17, 2017 · N446UP · Boeing 75724APF · Fuselage Miscellaneous StructureSDR IPXA2017040515826Lamp · inoperativeEMERGENCY LIGHT ASSY HAS FOUR INOPERATIVE LAMPS. REPLACED THE LAMPS IAW AMM 33-51-01-2.Apr 4, 2017 · N446UP · Boeing 75724APF · Emergency LightingSDR IPXA2017030914909Warning Light · false activationPRIOR TO DEPARTURE AND ENGINE START, AN EICAS MESSAGE FOR THE LT FWD ENTRY DOOR AND ASSOCIATED OVERHEAD LIGHT ON. CYCLED THE DOOR SEVERAL TIMES, LIGHT WENT OUT. OK FOR SERVICE.Mar 8, 2017 · N446UP · Boeing 75724APF · Door Warning SystemSDR IPXA2017030614801Indication Sys · mismatchedWITH TROTTLES MATCHED LT EPR 1.40 & RT EPR 1.16. REST OF ENGINE GAUGES SAME. PERFORMED ENGINE RUN IAW MM 71-00-00, INDICATIONS GOOD, NO DEFECTS NOTEDMar 2, 2017 · N446UP · Boeing 75724APF · Central WarningSDR IPXA2017030114558Support · corrodedINSPECTION TYPE: C12, FORWARD CARGO COMPARTMENT DOOR TEE SUPPORT CORRODEDREPLACED TEE SUPPORT.Feb 15, 2017 · N446UP · Boeing 75724APF · Cargo/Baggage DoorsSDR IPXA2015031987187Floor Panel · delaminatedINSPECTION TYPE:C, MCD FLOOR PANEL 231 XCF DELAMINATED, FABRICATED NEW FLOOR PANEL 231 XCF IAW SAMPLE IAW EO B757-5320-9692-H, MATERIAL A402H-48X144 BATCH 2664589.Mar 13, 2015 · N446UP · Boeing 75724APF · Fuselage Floor PanelSDR IPXA2015031386955Skin · crackedINSPECTION TYPE:CRT, WING SLAT NR 9 INBD TRACK ON THE INBD COVE SKIN PANEL HAVE CRACKS. REMOVED AND INSTALLED NEW FABRICATED SKIN, COVE, PANEL IAW DWG 114N4003-18, MATERIAL 7075-T6, .050.Mar 12, 2015 · N446UP · Boeing 75724APF · Wing, Plate/SkinSDR IPXA2015031687077Floorboard · brokenINSPECTION TYPE:C, MAIN DECK FLOORBOARD 251XFF BROKEN. 122-041, FABRICATED PANEL 251XFF, IAW SREO B757-5320-9692-H.Mar 5, 2015 · N446UP · Boeing 75724APF · Fuselage Floor PanelSDR IPXA2015031687062Floorboard · delaminatedINSPECTION TYPE:C, MAIN DECK FLOORBOARD, 232XWF, DELAMINATED. 122-048, FABRICATED PANEL IAW SREO B757-5320-9692-H.Mar 5, 2015 · N446UP · Boeing 75724APF · Fuselage Floor PanelSDR IPXA2015031687061Floorboard · delaminatedINSPECTION TYPE:C, PANEL RACK MAIN DECK FLOORBOARD 241XFF, DELAMINATED, 122-052. FABRICATED PANEL IAW SREO B757-5320-9692-H. 2.Mar 5, 2015 · N446UP · Boeing 75724APF · Fuselage Floor PanelSDR IPXA2015031687080Floorboard · delaminatedINSPECTION TYPE:C, MAIN DECK FLOORBOARD 232XSF DELAMINATED. FABRICATED A NEW FLOORBOARD IAW SREO B757-5320-9692-H.Mar 5, 2015 · N446UP · Boeing 75724APF · Fuselage Floor PanelSDR IPXA2015031687084Floorboard · damagedINSPECTION TYPE:C, MAIN DECK FLOORBOARD 251XJF, HAS EDGE DAMAGE, FABRICATED A NEW FLOORBOARD IAW SREO B757-5320-9692-H.Mar 5, 2015 · N446UP · Boeing 75724APF · Fuselage Floor PanelSDR IPXA2015031687082Floorboard · delaminatedINSPECTION TYPE:C, MAIN DECK FLOORBOARD, 231XWF, DELAMINATED. FABRICATED A NEW FLOORBOARD IAW SREO B757-5320-9692-H.Mar 5, 2015 · N446UP · Boeing 75724APF · Fuselage Floor PanelSDR IPXA2015031787139Floorboard · damagedINSPECTION TYPE:C, MAIN DECK FLOORBOARD 242XJF HAS EDGE DAMAGE, 122-046, FABBED PANEL 242XJF, PN 144N5361-55 FROM A402H-48X144, BATTERY, 2664589, IAW SREO B757-5320-9692-H.Mar 5, 2015 · N446UP · Boeing 75724APF · Fuselage Floor PanelSDR IPXA2015031787138Floorboard · delaminatedINSPECTION TYPE:C, MAIN DECK FLOORBOARD 241XCF DELAMINATED, 122-050, FABBED PANEL 241XCF, PN 144N5361-54 FROM A402H-48X144, BATTERY 2664589 IAW SREO B757-5320-9692-H.Mar 5, 2015 · N446UP · Boeing 75724APF · Fuselage Floor Panel
Back to N446UP