# Service difficulty reports: N448UP

A list on [N448UP](https://openairdocs.org/aircraft/N448UP.md).

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

Page 1 of 4 · 177 reports

- [SDR IPXA2026100717509](https://openairdocs.org/sdr/IPXA2026100717509.md): Handle · faulted · Oct 6, 2026 · N448UP · Boeing 75724APF · Passenger/Crew Doors
  > L1 ENTRY DOOR HANDLE WILL NOT STOW PROPERLY FROM COCKPIT. INSPECTION CHECK OF THE DOOR LATCH SYSTEM C/W PER AMM 52-12-00. ISSUE COULD NOT BE DUPLICATED.
- [SDR IPXA2026033150838](https://openairdocs.org/sdr/IPXA2026033150838.md): Lamp · inoperative · Mar 30, 2026 · N448UP · Boeing 75724APF · Emergency Lighting
  > EMERGENCY LIGHT SWITCH KORRY DRAWER ASSEMBLY BROKEN AND LAMPS INOPERATIVE. PERFORMED PERMANENT REPAIR IAW EO-96965-REQ1. OK FOR SERVICE.
- [SDR IPXA2025060694490](https://openairdocs.org/sdr/IPXA2025060694490.md): Floor Panel · damaged · May 27, 2025 · N448UP · Boeing 75724APF · Fuselage Floor Panel
  > MAIN DECK FLOOR PANEL 242XBF IS DAMAGED. FABRICATED MCD FLOOR PANEL 242XBF, IAW UPS SREO: B757-9692-REQ 001.
- [SDR IPXA2025061662819](https://openairdocs.org/sdr/IPXA2025061662819.md): Skin · chafed · May 24, 2025 · N448UP · Boeing 75724APF · Trailing Edge Flaps
  > RT WING O/B FLAP UPPER SURFACE L/E SKIN IS CHAFED ON O/B END. # 3513 REVIEWED
- [SDR IPXA2025061164954](https://openairdocs.org/sdr/IPXA2025061164954.md): Splice · dented · May 24, 2025 · N448UP · Boeing 75724APF · Fuselage Main, Structure
  > FWD PIT STA 680 L/H SIDE BETWEEN S-26L AND S-25L DENT ON FRAME MARKED IN RED. REPAIR DETAILED CONTAINS SUPPLEMENTAL REINSPECT INFORMATION AND MUST HAVE ASSOCIATED DEFERRAL
- [SDR IPXA2025061165015](https://openairdocs.org/sdr/IPXA2025061165015.md): Frame · dented · May 24, 2025 · N448UP · Boeing 75724APF · Fuselage Main, Frame
  > FWD PIT STA 680 L/H SIDE BETWEEN S-24L AND S-23L DENT ON FRAME.
- [SDR IPXA2025060662822](https://openairdocs.org/sdr/IPXA2025060662822.md): Floor Panel · damaged · May 24, 2025 · N448UP · Boeing 75724APF · Fuselage Floor Panel
  > MDC, FLOOR PANEL 241XEF HAS AN INSERT AND COMPOSIT DAMAGED. FABRICATED MCD FLOOR PANEL 241XEF, IAW.UPS SREO: B757-9692-REQ 001. FLOOR PANEL 241XEF INSTALLATION.
- [SDR IPXA2025061246708](https://openairdocs.org/sdr/IPXA2025061246708.md): Support Angle · corroded · May 23, 2025 · N448UP · Boeing 75724APF · Fuselage Miscellaneous Structure
  > FAULT-MXP-49-015-101-JIC-STR- APU INLET DOOR UPPER MOUNT STRAP HAS CORROSION.REMOVED STRAP AT APU INLET DOOR UPPER MOUNT IAW B757-200 SRM 51-40-02.FABRICATED NEW ANGLE ON TRAVELER T25/1817334. LOCATED AND DRILLED NEW ANGLE IAW B757-200PF SRM 51-40-02.INSTALLE
- [SDR IPXA2025061246637](https://openairdocs.org/sdr/IPXA2025061246637.md): Support Angle · corroded · May 23, 2025 · N448UP · Boeing 75724APF · Fuselage Miscellaneous Structure
  > FAULT-MXP-49-015-101-JIC-STR- APU INLET DOOR LWR MOUNT STRAP HAS CORROSION.REMOVED STRAP AT APU INLET DOOR LWR MOUNT IAW B757-200 SRM 51-40-02.FABRICATED NEW ANGLE ON TRAVELER# T25/1817331. LOCATED AND DRILLED NEW ANGLE IAW B757-200PF SRM 51-40-02.INSTALLED NE
- [SDR IPXA2025061250756](https://openairdocs.org/sdr/IPXA2025061250756.md): Shear Tie · none · May 23, 2025 · N448UP · Boeing 75724APF · Fuselage Internal Mounting Structure
  > DENT PROTRUDING ON FRAME LOWER FUSELAGE EXTERNAL AT FR 57 DOT 5421-12. REMOVED BRACKET IAW B757 SRM 51-40-00, DAMAGE ALL THE WAY THROUGH, SKIN FOUND WITH NO DAMAGE.FABRICATED BRACKET IAW B757-200 DRAWING 140N2002.INSTALLED BRACKET IAW B757-200 SRM 51-40-02
- [SDR IPXA2023102077095](https://openairdocs.org/sdr/IPXA2023102077095.md): Unknown · unknown · Oct 20, 2023 · N448UP · Boeing 75724APF · Engine Indicating System
  > DIVERSION, DURING CLIMB APROX. FL350 RIGHT ENG VIB SHOWED ON AMBER RANGE. FOLLOW APPROPRIATE CHECK LIST AND REDUCED THRUST LEVER TO 75% N1 UNTIL ENG VIB OUT OF AMBER RANGE. RESULTED IN A DIVERSION. DEFERRED VIBE INDICATING SYSTEM PER MEL 77-31-1-1. DMP C/W. P
- [SDR IPXA2023100416438](https://openairdocs.org/sdr/IPXA2023100416438.md): Access Panel · delaminated · Sep 20, 2023 · N448UP · Boeing 75724APF · Wing, Plate/Skin
  > LH WING FUEL TANK DRY BAY ACCESS PANEL 532FZ WITH DELAMINATION. VERIFIED INSTALLATION WILL BE ACCOMPLISHED ON TASK CARD T3F18E00260FV.
- [SDR IPXA2023100416407](https://openairdocs.org/sdr/IPXA2023100416407.md): Access Panel · delaminated · Sep 20, 2023 · N448UP · Boeing 75724APF · Wing, Plate/Skin
  > LH WING FUEL TANK DRY BAY ACCESS PANEL 532BZ WITH DELAMINATION. REMOVE DAMAGE AND REPAIRED DAMAGED AREA IAW B757 SRM 51-70-07-0G-0 PARA. 5.G.3
- [SDR IPXA2023100402130](https://openairdocs.org/sdr/IPXA2023100402130.md): Floor Panel · damaged · Sep 19, 2023 · N448UP · Boeing 75724APF · Fuselage Floor Panel
  > FAULT- MAIN CARGO COMPARTMENT FLOOR PANEL 231XTF IS DAMAGED AT THE CORNER. DOT 68-95 INSTALLED MAIN CARO COMPARTMENT FLOOR PANEL 231XTF IAW AMM 53-01-024-023.
- [SDR IPXA2023093077750](https://openairdocs.org/sdr/IPXA2023093077750.md): Floorbeam · corroded · Sep 16, 2023 · N448UP · Boeing 75724APF · Fuselage Main, Floor Beam
  > BEAM AT FR1200 BTWN LBL24.75-LBL45.5 WITH CORROSION (FLOOR PANEL 241XLF). WORK ACCOMPLISHED PER UPS EO: EO-88232-REQ 1 AND VT MAE EA 757-5360-27-A3371 REV-
- [SDR IPXA2023100189928](https://openairdocs.org/sdr/IPXA2023100189928.md): Threshold · cracked · Sep 8, 2023 · N448UP · Boeing 75724APF · Fuselage Miscellaneous Structure
  > FAULT. AFT CARGO COMPARTMENT THRESHOLD HAS MULTIPLE CRACKS INSTALLED AFT CARGO THRESHOLD. IAW SRM 51-40-02.
- [SDR IPXA2023100389203](https://openairdocs.org/sdr/IPXA2023100389203.md): Frame · dented · Sep 8, 2023 · N448UP · Boeing 75724APF · Fuselage Main, Frame
  > FAULT; FWD CARGO COMPARTMENT FRAME STA 840, STR 24 L/H HAS A DENT WORK ACCOMPLISHED PER UPS EO: EO-88198-REQ 1 AND VT MAE EA 757-5330-27-A3364 REV-. REVIEWED
- [SDR IPXA2023093089203](https://openairdocs.org/sdr/IPXA2023093089203.md): Unknown · unknown · Sep 8, 2023 · N448UP · Boeing 75724APF · Fuselage Main, Frame
  > FWD CARGO COMPARTMENT FRAME STA 840, STR 24 L/H HAS A DENT VERIFIED WORK ACCOMPLISHED PER UPS EO: EO-88198-REQ 1 AND VT MAE EA 757-5330-27-A3364 REV-. OPEN
- [SDR IPXA2023100474560](https://openairdocs.org/sdr/IPXA2023100474560.md): Angle · corroded · Sep 7, 2023 · N448UP · Boeing 75724APF · Fuselage Miscellaneous Structure
  > FAULT: MAIN CABIN STA 1720 LBL 25, ANGLE UNDERNEATH THE DECK PLATE HAS CORROSION INSTALLED NEW ANGLE AT STA 1720, LBL 25. IAW SRM 51-40-02-0G.
- [SDR IPXA2023093077320](https://openairdocs.org/sdr/IPXA2023093077320.md): Skin · dented · Sep 7, 2023 · N448UP · Boeing 75724APF · Cargo/Baggage Doors
  > *** MAJOR REPAIR *** FAULT-THREE DENT-OUT ON MAIN CARGO DOOR SKIN AT UPPER-AFT SIDE; DOT 117-010. REINSTALLED MAIN CARGO DOOR AFT LIFT PANEL TO FOM IAW SRM 52-30-01-2R-4, SHEET 1. SUPPLEMENTAL INSPECTION REQUIREMENTS DEFERRED IAW B757-200PF REV. 117.00, SRM CH
- [SDR IPXA2023092874848](https://openairdocs.org/sdr/IPXA2023092874848.md): Seat Track · corroded · Sep 7, 2023 · N448UP · Boeing 75724APF · Fuselage, Seat/Cargo Attach Fittings
  > *** SUPPLEMENTAL SDR *** FAULT-MAIN CARGO COMPARTMENT STA 340 TO STA 440 LBL 45.5 SEAT TRACK SPOTS WITH CORROSION. DOT 68-76 REMOVE AND REPLACE LBL 45.50 SEAT TRACK (PN: 141N5131-46) BETWEEN STA 324 AND STA 440 PER BOEING DRAWING 141N5131 AND SRM 51-40-02
- [SDR IPXA2023091974848](https://openairdocs.org/sdr/IPXA2023091974848.md): Unknown · unknown · Sep 7, 2023 · N448UP · Boeing 75724APF · Fuselage Structure (General)
  > FAULT-MAIN CARGO COMPARTMENT STA 340 TO STA 440 LBL 45.5 SEAT TRACK SPOTS WITH CORROSION. DOT 68-76 GIVEN THE OK TO INSTALL FITTING STA 345 TO 333 LBL 45.50. OPEN
- [SDR IPXA2023100466790](https://openairdocs.org/sdr/IPXA2023100466790.md): Crease Beam · corroded · Sep 6, 2023 · N448UP · Boeing 75724APF · Fuselage Main, Structure
  > FAULT-MAIN CABIN UPPER FLIGHT DECK STA 320 TO STA 340 LBL 62.225 SEVERAL CORROSION. DOT 68-68 ACCOMPLISHED WORK PER UPS EO 88246-REQ 1 AND VT MAE EA 757-5310-27-A3378-REV.
- [SDR IPXA2023092836764](https://openairdocs.org/sdr/IPXA2023092836764.md): Floorbeam · corroded · Sep 4, 2023 · N448UP · Boeing 75724APF · Fuselage Main, Floor Beam
  > FAULT-MAIN CABIN SHEAR WEB STA 1680 TO STA 1720 BL 0 TO LBL 24.75 SPOTS WITH CORROSION AS MARKED. DOT 68-49 REVIEWED
- [SDR IPXA2023100413250](https://openairdocs.org/sdr/IPXA2023100413250.md): Frame · none · Sep 1, 2023 · N448UP · Boeing 75724APF · Fuselage Main, Frame
  > FAULT: EXISTING FRAME REPAIR FOUND AT AFT CARGO COMPARTMENT STA 1360 R/H STR 26 ACCOMPLISHED WORK PER UPS EO 87164-REQ 1 AND VT MAE EA 757-5360-27-A3349 REV-
- [SDR IPXA2022092386543](https://openairdocs.org/sdr/IPXA2022092386543.md): Skin · dented · Sep 19, 2022 · N448UP · Boeing 75724APF · Fuselage Main, Plate/Skin
  > INSPECTION TYPE:SVSTA 535 FUSELAGE SKIN AT S-20L HAS DENTREPAIRED IAW UPS EO B757-5330-84813-A, UPS RCD 261623 AND VT MAE EA 757-5330-27-A3038 REV-
- [SDR IPXA2022092386542](https://openairdocs.org/sdr/IPXA2022092386542.md): Stringer · cracked · Sep 19, 2022 · N448UP · Boeing 75724APF · Fuselage Main, Longeron/Stringer
  > INSPECTION TYPE:SVS-20L AT APPROX STA 535 REQUIRES PERMANENT REPAIRREPAIRED IAW UPS EO B757-5330-84813-A, UPS RCD 261625 AND VT MAE EA 757-5330-27-A3038 REV-
- [SDR IPXA2022071284121](https://openairdocs.org/sdr/IPXA2022071284121.md): Skin · dented · Jul 12, 2022 · N448UP · Boeing 75724APF · Fuselage Main, Plate/Skin
  > INSPECTION TYPE:N/ALT FUSELAGE SKIN DENT JUST FWD OF STA 540 AND ABOVE S-20L.TEMP REPAIRED IAW EO B757-5330-83545-C. ITEM REMAINS ON DEFERRAL
- [SDR IPXA2021042668624](https://openairdocs.org/sdr/IPXA2021042668624.md): Transmitter · intermittent · Apr 23, 2021 · N448UP · Boeing 75724APF · Power Indicating System
  > INSPECTION TYPE:NA**ATB - NO EMERG DECL'D - NO EMERG EQUIP USED - LANDED UNEVENTFULLY - AC TAKEN OOS** LEFT EPR FAILED 3 OR 4 TIMES IN FLIGHT. THEN WE LOST LEFT EEC. EPR COME BACK.LEFT ENG EEC BITE PER FIM 73-21-00-815-802. NO FAULTS RECALLED. R&R LT EPR XMIT
- [SDR IPXA2020041554265](https://openairdocs.org/sdr/IPXA2020041554265.md): Warning Message · false activation · Apr 14, 2020 · N448UP · Boeing 75724APF · Overheat Detection
  > DIVERTED AND AN EMERGENCY WAS DECLARED, LANDED WITHOUT INCIDENT, WHEEL WELL FIRE EICAS MESSAGE AND BELL ACTIVATED. RAN QRH DROPPED GEAR, WHEEL WELL LIGHT WENT OUT. ACFT OPERATED NORMAL ON TAXI, DEPLOYED EVAS. REPLACED WHEEL WELL DUCT LEAK OVERHEAT POWER
- [SDR IPXA2020030352734](https://openairdocs.org/sdr/IPXA2020030352734.md): Solenoid · malfunctioned · Mar 1, 2020 · N448UP · Boeing 75724APF · Compressor Bleed Valve
  > INSPECTION TYPE:NA**DIVERSION - AC TAKEN OOS** DURING CLIMB RIGHT ENGINE STARTED SURGING. EGT APPROACHING AMBER LIMIT RAPIDLY ALL OTHER ENGINE GAUGES ALSO SURGING. AT 280KTS CLIMBING THROUGH FL 270 AT CLB 2 POWER SET, EGT SURGING FROM 610 TO 740 FUEL FLOW INCR
- [SDR IPXA2019102348198](https://openairdocs.org/sdr/IPXA2019102348198.md): Evas Unit · inoperative · Oct 22, 2019 · N448UP · Boeing 75724APF · Emergency Equipment
  > INSPECTION TYPE:N/A**SUPPLEMENTAL SDR** FIRST OFFICER EVAS BLOWER INOPERATIVE AND MOUNTING BRACKET NOT SECURE. DEFERRED PER MEL 25-60-1. PLACARD INSTALLED. EVAS ASSEMBLY PLACED IN PFM BOX.REPLACED EVAS BRACKET AND EVAS SYS IAW AMM 25-69-00. BATTERY AND BLOW
- [SDR IPXA2019101447859](https://openairdocs.org/sdr/IPXA2019101447859.md): Panel · damaged · Oct 14, 2019 · N448UP · Boeing 75724APF · Vertical Stabilizer, Plate/Skin
  > INSPECTION TYPE:SEG1, VERTICAL STAB L/E PANEL 321 HAS 1 EA PULLED FASTENER. REPAIRED PANEL IAW EA B757-5360-27-A2382 AND UPS EO B757-5350-74251-A
- [SDR IPXA2019100767589](https://openairdocs.org/sdr/IPXA2019100767589.md): Skin · chafed · Oct 6, 2019 · N448UP · Boeing 75724APF · Elevator, Plate/Skin
  > INSPECTION TYPE: C1, CHAFE DAMAGE FOUND TO TRAILING EDGE ELEVATOR. REPAIRED IAW RCD 130548, SRM 51-70-17-OG IAW SRM 55-20-2R-1, TABLE 1.
- [SDR IPXA201904241378](https://openairdocs.org/sdr/IPXA201904241378.md): Light · inoperative · Apr 23, 2019 · N448UP · Boeing 75724APF · Emergency Lighting
  > INSPECTION TYPE:NAINTERIOR EMERGENCY LIGHTS INOPPER FIM 33-51-815-802 FIGURE 103, R&R EMERGENCY LIGHT BATTERY PACK IAW AMM 33-51-07. OP/C GOOD
- [SDR IPXA2018091233914](https://openairdocs.org/sdr/IPXA2018091233914.md): Windshield · arced · Sep 11, 2018 · N448UP · Boeing 75724APF · Flight Compartment Windows
  > ATB - SEVERE ARCING ON CAPT FWD WINDSREEN. STOPPED IMMEDIATELY WHEN FWD WINDOW HEAT WAS SECURED. REMOVED AND REPLACED LT NR 1 WINDSHIELD IAW AMM 56-11-01-0401. WINDOW HEAT OPS CHECK GOOD. EFF SOURCE REF: IPC 56-11-01-05.
- [SDR IPXA2018081543814](https://openairdocs.org/sdr/IPXA2018081543814.md): Light · inoperative · Aug 13, 2018 · N448UP · Boeing 75724APF · Emergency Lighting
  > EMERGENCY LIGHT ABOVE THE CREW DOOR WAS INOPERATIVE. OPEN
- [SDR IPXA2018042708987](https://openairdocs.org/sdr/IPXA2018042708987.md): Bulb · inoperative · Apr 26, 2018 · N448UP · Boeing 75724APF · Emergency Lighting
  > EMERGENCY LIGHT HAS TWO INOPERATIVE BULBS. R & R THE BULBS IAW AMM 33-51-01.
- [SDR IPXA2017100522339](https://openairdocs.org/sdr/IPXA2017100522339.md): Floor Panel · delaminated · Sep 21, 2017 · N448UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE: SEG4, MCD FLOOR PANEL 231XJF IS DELAMINATED. FABRICATED NEW FLOOR PANEL IAW SREO B757-5320-9692-K.
- [SDR IPXA2017100522338](https://openairdocs.org/sdr/IPXA2017100522338.md): Floor Panel · delaminated · Sep 21, 2017 · N448UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE: SEG4, MCD FLOOR PANEL 231XFF IS DELAMINATED, FABRICATED A NEW FLOOR PANEL IAW SREO B757-5320-9692-K
- [SDR IPXA2015092293835](https://openairdocs.org/sdr/IPXA2015092293835.md): Wedge · dented · Sep 3, 2015 · N448UP · Boeing 75724APF · Leading Edge Devices
  > INSPECTION TYPE:C-11, NR 5 SLAT IS DENTED ON WEDGE UPPER SURFACE. REPAIRED WITH METAL HOT BOND IAW SRM 57-43-02-2R AND 51-70-10-2R, REPAIR 4.
- [SDR IPXA2015091793652](https://openairdocs.org/sdr/IPXA2015091793652.md): Skin · dented · Sep 3, 2015 · N448UP · Boeing 75724APF · Wing, Plate/Skin
  > INSPECTION TYPE:C-11, LT FIXED L/E AT NR 4 SLAT INBD AUX TRACK L/E IS DENTED. REPAIRED LT FIXED L/E AT NR 4 SLAT INBD AUX TRACK IAW SRM 51-70-07.
- [SDR IPXA2015072191359](https://openairdocs.org/sdr/IPXA2015072191359.md): Sensor · malfunctioned · Jul 21, 2015 · N448UP · Boeing 75724APF · Door Warning System
  > LEFT FWD ENTRY DOOR LIGHT ILLUMINATED. R & R IAW MM 52-71-00, SENSOR. OPS CHECKS NORMAL.
- [SDR IPXA2015072191352](https://openairdocs.org/sdr/IPXA2015072191352.md): Skin · dented · Jul 20, 2015 · N448UP · Boeing 75724APF · Fuselage Main, Plate/Skin
  > SKIN DENTED AND GOUGED AT BS 460 BELOW STR 16 LT, INSTALLED DOUBLER REPAIR. REPAIR IAW EO B757-5330-57237-C.
- [SDR IPXA2015062290403](https://openairdocs.org/sdr/IPXA2015062290403.md): Target · loose · Jun 20, 2015 · N448UP · Boeing 75724APF · Door Warning System
  > LEFT FWD ENTRY DOOR EICAS WITH DOOR CLOSED. FOUND TARGET FOR SENSOR S10094 LOOSE. SECURED TARGET & CHECKED ADJUSTMENT IAW AMM 52-71-00-825-223. OPS CK OK.
- [SDR IPXA2014032882423](https://openairdocs.org/sdr/IPXA2014032882423.md): Skin · dented · Mar 16, 2014 · N448UP · Boeing 75724APF · Fuselage Main, Plate/Skin
  > FUSELAGE SKIN HAS DAMAGE BS 580-600 S26-28L. ACCOMPLISHED EO B757-5330-53885-A.
- [SDR IPXA2014032882431](https://openairdocs.org/sdr/IPXA2014032882431.md): Skin · damaged · Mar 6, 2014 · N448UP · Boeing 75724APF · Fuselage Main, Plate/Skin
  > DURING SPV, FUSELAGE SKIN DAMAGED BS 500-520 S26-28R. ACCOMPLISHED EO B757-5330-53897-A
- [SDR IPXA2014032882424](https://openairdocs.org/sdr/IPXA2014032882424.md): Shear Tie · bent · Mar 6, 2014 · N448UP · Boeing 75724APF · Fuselage Internal Mounting Structure
  > DURING SPV, FWD CARGO BAY FRAME AT BS 508 FOUND BENT AT SHEAR TIE BETWEEN S27-28L. ACCOMPLISHED EO B757-5310-53891-A.
- [SDR IPXA2014032682420](https://openairdocs.org/sdr/IPXA2014032682420.md): Stringer · dented · Mar 6, 2014 · N448UP · Boeing 75724APF · Fuselage Main, Longeron/Stringer
  > SPV, FWD CARGO BAY STRINGER 27L DENTED AT BS 506. REPAIRED IAW SRM 53-00-03-2R, REPAIR 1, DETAIL II.
- [SDR IPXA2014032682419](https://openairdocs.org/sdr/IPXA2014032682419.md): Stringer · dented · Mar 6, 2014 · N448UP · Boeing 75724APF · Fuselage Main, Longeron/Stringer
  > SPV, FWD CARGO BAY STRINGER 28L DENTED AT BS 506. REPAIRED STRINGER IAW SRM 53-00-03-2R, REPAIR 1, DETAIL II.

Next page: https://openairdocs.org/aircraft/N448UP/reports.md?page=2

## 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 = 'N448UP' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N448UP/reports

---
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