# Service difficulty reports: N449UP

A list on [N449UP](https://openairdocs.org/aircraft/N449UP.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 3 · 131 reports

- [SDR IPXA2025073057913](https://openairdocs.org/sdr/IPXA2025073057913.md): Plate · corroded · Jul 10, 2025 · N449UP · Boeing 75724APF · Elevator Structure
  > AGING FINDING - LEFT ELEVATOR TIP STATIC WIC CONDUCTIVE PLATE HAS EVIDENCE OF CORROSION. AA026 INSTALLED SERVICEABLE L/H ELEVATOR IN REF TO B757 AMM 27-31-01-424-028
- [SDR IPXA2025072257913](https://openairdocs.org/sdr/IPXA2025072257913.md): Static Wick · corroded · Jul 10, 2025 · N449UP · Boeing 75724APF · Pitot/Static System
  > LEFT ELEVATOR TIP STATIC WIC CONDUCTIVE PLATE HAS EVIDENCE OF CORROSION. AA026 INSP VERIFIED STEP 14 ADJUSTMENT OF THE ELEVATOR POSITION INDICATING SYSTEM IN REF B757 AMM 27-38-00-825-009. ADJUSTMENT GOOD. PERFORMED ELEVATOR POSITION INDICATING SYSTEM OPERATIO
- [SDR IPXA2025071845628](https://openairdocs.org/sdr/IPXA2025071845628.md): Angle · corroded · Jul 9, 2025 · N449UP · Boeing 75724APF · Fuselage Miscellaneous Structure
  > AGING FINDING - MAIN DECK FLOOR STRUCTURE LOCATED APPROX STA 1715 RBL 12" AS SEEN FROM THE AFT PIT AFT ELEC BAY IS CORRODED AND EXFOLIATED. AA025 AUDIT C/W. VERIFIED REMOVE AND REPLACE SUPPORT ANGLE REF P/N: 146N5240-21 PER BOEING DWG 146N5240 IAW 757-200PF SR
- [SDR IPXA2025071919982](https://openairdocs.org/sdr/IPXA2025071919982.md): Floorbeam · corroded · Jul 8, 2025 · N449UP · Boeing 75724APF · Fuselage Main, Floor Beam
  > MAJOR REPAIR, CORROSION ON FLOORBEAM IN MAIN CABIN AT APPROX FS 1200 LBL3 TO LBL 18. ACCOMPLISHED REPAIR PER EO-94406-REQ1 AND VT-SAA EA 757-5300-01-B0535, REV. I/R.
- [SDR IPXA2025053025425](https://openairdocs.org/sdr/IPXA2025053025425.md): A/C Pack · odor · May 29, 2025 · N449UP · Boeing 75724APF · Cabin Cooling System
  > DURING DESCENT THROUGH 15000€™ CREW NOTICED BURNING SMELL AND STRONG ODOR, DONNED OXYGEN MASKS, CABIN ATMOSPHERE WARM AND HUMID, TURNED RIGHT PACK OFF AND CONDITIONS ABATED IMMEDIATELY. SMELL DISSAPATED AT APPROX 5000' NO SMOKE. STARTED CONDITION INSPECTION F
- [SDR IPXA2025052925425](https://openairdocs.org/sdr/IPXA2025052925425.md): Unknown · odor · May 29, 2025 · N449UP · Boeing 75724APF · Air Distribution System
  > DURING DESCENT THROUGH 15000€™ CREW NOTICED BURNING SMELL AND STRONG ODOR, DONNED OXYGEN MASKS, CABIN ATMOSPHERE WARM AND HUMID, TURNED RIGHT PACK OFF AND CONDITIONS ABATED IMMEDIATELY. SMELL DISSAPATED AT APPROX 5000' NO SMOKE STARTED CONDITION INSPECTION FO
- [SDR IPXA2025021200052](https://openairdocs.org/sdr/IPXA2025021200052.md): Window · overheated · Feb 6, 2025 · N449UP · Boeing 75724APF · Flight Compartment Windows
  > L/H #1 WINDOW SHOWING SIGNS OF WINDOW HEAT OVERHEAT/ARCING DAMAGE INSTALLED L1 WINDOW IAW AMM 56-11-01 UP TO AERO DYNAMIC SEALANT REF T3F18E0061ZX1REF T3F18E0061ZX1 FOR AERO DYNAMIC SEALANT DEFERRAL
- [SDR IPXA2025020600052](https://openairdocs.org/sdr/IPXA2025020600052.md): Window · overtemp · Feb 6, 2025 · N449UP · Boeing 75724APF · Flight Compartment Windows
  > L/H #1 WINDOW SHOWING SIGNS OF WINDOW HEAT OVERHEAT/ARCING DAMAGE.
- [SDR IPXA2023112713604](https://openairdocs.org/sdr/IPXA2023112713604.md): Brake · warning message · Nov 22, 2023 · N449UP · Boeing 75724APF · Landing Gear Brake System
  > *EMERGENCY DECLARED* BRAKE SOURCE ILUMINATED WITH RESERVE BRAKE SWITCH ON. QRH DIRECTED TO ACTIVATE RESERVE BRAKE SWITCH. TROUBLESHOT RH HYD SYS PRES LIGHT AND BRAKE SOURCE LIGHT STAYING ILLUMINATED. FOUND THE RH HYD PRESSURE SWITCH (S32) RUBBER GROMMET TO BE
- [SDR IPXA2023082217197](https://openairdocs.org/sdr/IPXA2023082217197.md): Lock · gouged · Jul 29, 2023 · N449UP · Boeing 75724APF · Passenger/Crew Doors
  > *** SUPPLEMENTAL SDR *** FAULT: THE CREW ENTRY DOOR TOP AND BOTTOM LOCKS HAVE GOUGES IN THEM. DOT 39-04 REVIEWED.
- [SDR IPXA2023073100197](https://openairdocs.org/sdr/IPXA2023073100197.md): Unknown · unknown · Jul 29, 2023 · N449UP · Boeing 75724APF · Doors
  > *SDR FILED OPEN* FAULT: THE CREW ENTRY DOOR TOP AND BOTTOM LOCKS HAVE GOUGES IN THEM. DOT 39-04 APPROVED
- [SDR IPXA2023080905497](https://openairdocs.org/sdr/IPXA2023080905497.md): Skin · dented · Jul 28, 2023 · N449UP · Boeing 75724APF · Fuselage Main, Plate/Skin
  > FAULT-LOWER FUSELAGE SKIN GOUGE AT STA 550 AND 560 STRINGERS 28L AND 29L. DOT119-001 SUPPLEMETAL INSPECTION REQUIREMENTS DEREFFED IAW B757-200PF REV 117.00, SRM 53-00-01-2R, REPAIR 29.
- [SDR IPXA2023040592621](https://openairdocs.org/sdr/IPXA2023040592621.md): Unknown · inoperative · Apr 5, 2023 · N449UP · Boeing 75724APF · Aircraft Fuel Distribution System
  > INSPECTION TYPE:NA**SUPPLEMENTAL SDR** W/ NORM FUEL FLOW WE ENDED UP W/ A 1200LB FUEL INBALANCE. PREV CREW TOLD US FROM ONT TO IAH HAD 2000LB INCABLENCE. POSS FUEL MIGRAT LT SIDE THE LOW SIDE. T/S FIM 28-21-00 FND NO EXTERNAL LEAKS. DEF PER 28-21-00-0702-001 A
- [SDR IPXA2022120288630](https://openairdocs.org/sdr/IPXA2022120288630.md): Comms Unit · inoperative · Nov 30, 2022 · N449UP · Boeing 75724APF · Communications System
  > INSPECTION TYPE:N/A**ATB**BOTH RADIOS TREMENDOUS SQUEAL BOTH AUDIO PANELS SWITCHED TO ALT FOR REMAINING OF FLT SQUEAL STARTED AT APPLICATION OF T/O POWERR/R OBSERVERS POSITION AUDIO SELECT PANEL PER AMM 23-51-01-404-014. NO FAULTS NOTED. THIS CLEARS M796611
- [SDR IPXA2021093074429](https://openairdocs.org/sdr/IPXA2021093074429.md): Floor Panel · damaged · Aug 25, 2021 · N449UP · Boeing 75724APF · Fuselage Structure (General)
  > INSPECTION TYPE:SEGPNL 241XCF DAMAGEDFABBED PER SREP B757-5320-9692-K
- [SDR IPXA2021090273482](https://openairdocs.org/sdr/IPXA2021090273482.md): Floor Panel · damaged · Aug 25, 2021 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE:SEGPNL 241XFF DAMAGEDFABBED PER SREO B757-5320-9692-K
- [SDR IPXA2021090213439](https://openairdocs.org/sdr/IPXA2021090213439.md): Floor Panel · damaged · Aug 25, 2021 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE:SERGPNL 242XFF DAMAGEDFABBED PER SREO B757-5320-9869-K
- [SDR IPXA2021090213438](https://openairdocs.org/sdr/IPXA2021090213438.md): Floor Panel · damaged · Aug 25, 2021 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE:SEGPNL 241XCF DAMAGEDFABBED PER SREO B757-5320-9692-K
- [SDR IPXA2021090213437](https://openairdocs.org/sdr/IPXA2021090213437.md): Floor Panel · damaged · Aug 25, 2021 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE:SEGPNL 241XBF DAMAGEDFABBED PER SREO B757-5320-9692-K
- [SDR IPXA2021090213436](https://openairdocs.org/sdr/IPXA2021090213436.md): Floor Panel · damaged · Aug 25, 2021 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE:SEGPNL 242XHF DAMAGEDFABBED PER SREO B757-5320-9692-K
- [SDR IPXA2021090213435](https://openairdocs.org/sdr/IPXA2021090213435.md): Floor Panel · damaged · Aug 25, 2021 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE:SEGPNL 242XAF DAMAGEDFABBED PER SREO B757-5320-9692-K
- [SDR IPXA2021090213434](https://openairdocs.org/sdr/IPXA2021090213434.md): Floor Panel · damaged · Aug 25, 2021 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE:SEGPNL 242XEF IS DAMAGEDFABBED PER SREO B757-5320-9692-K
- [SDR IPXA2021090273468](https://openairdocs.org/sdr/IPXA2021090273468.md): Floor Panel · damaged · Aug 25, 2021 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE:SEGPNL 241XCF DAMAGEDFABBED PER SREO B757-5320-9692-K
- [SDR IPXA2023081656505](https://openairdocs.org/sdr/IPXA2023081656505.md): Frame · unknown · Mar 7, 2021 · N449UP · Boeing 75724APF · Fuselage Main, Frame
  > *** MAJOR REPAIR *** LEFT FUSELAGE SKIN DAMAGE REPAIR BETWEEN STA 272 AND STA 305 AND BETWEEN S-21L AND S-23L. REF EO-79526***ASSIGN TO MMX*** REVIEWED.
- [SDR IPXA2021030766520](https://openairdocs.org/sdr/IPXA2021030766520.md): Skin · damaged · Mar 7, 2021 · N449UP · Boeing 75724APF · Fuselage Main, Plate/Skin
  > INSPECTION TYPE:N/ALH FUSELAGE SKIN DAMAGE REPAIR BETWEEN STA 272 AND STA 305 AND BETWEEN S-21L AND S-23L.CUT OUT DAMAGE AND REPLACED DAMAGED SKIN PER EO B757-5330-79526.
- [SDR IPXA2020052955873](https://openairdocs.org/sdr/IPXA2020052955873.md): Connector · dirty · May 28, 2020 · N449UP · Boeing 75724APF · Engine Fuel System Wiring
  > INSPECTION TYPE: N/A ON TAXI IN TO PHL, LEFT ENGINE FAILED. LEFT ENG VALVE LIGHT ON. L ENG LP PUMP ILLUMINATED. T/S PER FIM 71-05-00 AND 75-90-03, 73-21-815. ALL INSPECTION CKD GOOD. CLEARED MESSAGE. PERFORMED ENGINE RUN WITH PACKS, GENERATOR SWITCHING. AL
- [SDR IPXA2019102548252](https://openairdocs.org/sdr/IPXA2019102548252.md): Escape Reel · twisted · Oct 24, 2019 · N449UP · Boeing 75724APF · Emergency Equipment
  > INSPECTION TYPE:N/AEMERGENCY DECENT REEL CABLES MISROUTED AND TWISTED.RE-ALIGNED AND PROPERLY ROUTED REELS AND CABLES. AIRCRAFT OK FOR SERVICE.
- [SDR IPXA2019092447196](https://openairdocs.org/sdr/IPXA2019092447196.md): Warning System · false activation · Sep 23, 2019 · N449UP · Boeing 75724APF · Leading Edge Slat Position Indicating System
  > INSPECTION TYPE:N/A ***EMERGENCY DECLARED AS PRECAUTION*** LE SLAT DISAGREE LIGHT ILLUMINATED WHEN FLAPS 1 POSITION SELECTED. LANDED WITHOUT FURTHER INCIDENT. RAN FIM 27-81-815-803 OPERATED SLATS ELECTRICALLY & HYDRAULIC OPERATION. SLATS OPS NORMAL NO BINDING
- [SDR IPXA2019082324598](https://openairdocs.org/sdr/IPXA2019082324598.md): Panel · delaminated · Aug 22, 2019 · N449UP · Boeing 75724APF · Wing Miscellaneous Structure
  > INSPECTION TYPE:SEG, DRY BAY PANEL 632 FZ HAS DELAMINAION ON EDGE BY BOLT HOLER. REPAIRED IAW B757-200 SRM 51-70-07-OG PER SRM 57-20-09-2R-1 FIG 201 TABLE I.
- [SDR IPXA2019082105848](https://openairdocs.org/sdr/IPXA2019082105848.md): Panel · delaminated · Aug 20, 2019 · N449UP · Boeing 75724APF · Wing, Plate/Skin
  > INSPECTION TYPE:SEG3, RIGHT WING DRY BAY PANEL 632F2 HAS EDGE DAMAGE.REPAIRED PANEL IAW B757-200, SRM 51-70-07-OG PER SRM 57-20-09-2R-1 FIG 201, 250 F CURE.
- [SDR IPXA2016092208549](https://openairdocs.org/sdr/IPXA2016092208549.md): Strap · deteriorated · Sep 22, 2016 · N449UP · Boeing 75724APF · Emergency Equipment
  > INSPECTION TYPE: PS1, ELT HOOK AND LOOP STRAP BADLY DETERIORATED AND LOOSE. INSTALLLED A NEW HOOK AND LOOP STRAP, OK FOR SERVICE.
- [SDR IPXA2015092093723](https://openairdocs.org/sdr/IPXA2015092093723.md): Floor Panel · damaged · Sep 18, 2015 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE:C, MAIN DECK FLOOR PANEL 251XPF HAS EDGE DAMAGE FABRICATED NEW FLOOR PANEL 251XPF, FROM A402H-48X144 BATCH NR 2801694 IAW SREO B757-5320-9692-H.
- [SDR IPXA2015091893662](https://openairdocs.org/sdr/IPXA2015091893662.md): Floor Panel · damaged · Sep 17, 2015 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE:C, MAIN DECK FLOOR PANEL 231XQF HAS TORN EDGE. FABRICATED NEW FLOOR PANEL 231XQF FROM A402H-48X144 BATCH NR 2801694 IAW SREO B757-5320-9692-H.
- [SDR IPXA2015092093722](https://openairdocs.org/sdr/IPXA2015092093722.md): Floor Panel · damaged · Sep 17, 2015 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE:C, MAIN DECK FLOOR PANEL 252XCF, HAS EDGE DAMAGE FABRICATED NEW FLOOR PANEL 252XCF, FROM A402H-48X144 BATCH 2801694 IAW SREO B757-5320-9692-H.
- [SDR IPXA2015092093721](https://openairdocs.org/sdr/IPXA2015092093721.md): Floor Panel · damaged · Sep 17, 2015 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE:C, MAIN DECK FLOOR PANEL 232XUF HAS EDGE DAMAGE FABRICATED NEW FLOOR PANEL 232XUF, FROM A402H-48X144 BATCH NR 2801694 IAW SREO B757-5320-9692-H.
- [SDR IPXA2015092093720](https://openairdocs.org/sdr/IPXA2015092093720.md): Floor Panel · delaminated · Sep 17, 2015 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE: C, MAIN DECK FLOOR PANEL 252XBF DELAMINATED. FABRICATED NEW FLOOR PANEL 252XBF, FROM A402H-48X144 BATCH NR 2801694 IAW SREO B757-5320-9692-H.
- [SDR IPXA2015091793645](https://openairdocs.org/sdr/IPXA2015091793645.md): Floor Panel · damaged · Sep 16, 2015 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE:C, MAIN DECK FLOOR PANEL 251XCF HAS TORN INSERT HOLES. FABRICATED NEW FLOOR PANEL 251XCF, FROM A402H-48X144, BATCH 2801694 IAW SREO B757-5320-9692-H.
- [SDR IPXA2015092293839](https://openairdocs.org/sdr/IPXA2015092293839.md): Floor Panel · delaminated · Sep 15, 2015 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE:C, MAIN DECK FLOOR PANEL 252XUF DELAMINATED. FABRICATED A NEW FLOOR PANEL IAW SREO B757-5320-9692-H.
- [SDR IPXA2015092293822](https://openairdocs.org/sdr/IPXA2015092293822.md): Floor Panel · delaminated · Sep 15, 2015 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE:C, MAIN DECK FLOOR PANEL 252XUF DELAMINATED. FABRICATED A NEW FLOOR PANEL IAW SREO B757-5320-9692-H.
- [SDR IPXA2015092293809](https://openairdocs.org/sdr/IPXA2015092293809.md): Floor Panel · delaminated · Sep 15, 2015 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE:C, MAIN CARGO DECK FLOOR PANEL 251XRF DELAMINATED. FABRICATED A NEW FLOOR PANEL IAW SREO B757-5320-9692-H.
- [SDR IPXA2015091493513](https://openairdocs.org/sdr/IPXA2015091493513.md): Floor Panel · damaged · Sep 9, 2015 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE:C, MAIN DECK FLOOR PANEL 232XXF HAS BAD INSERTS AND ONE PULLED INSERT. FABRICATED A NEW FLOOR PANEL IAW SREO B757-5320-9692-H.
- [SDR IPXA2015092093728](https://openairdocs.org/sdr/IPXA2015092093728.md): Shear Web · corroded · Aug 29, 2015 · N449UP · Boeing 75724APF · Fuselage Miscellaneous Structure
  > INSPECTION TYPE:C, MAIN DECK BETWEEN BS 324 - 333 AND LBL 45.5 SHEAR WEB CORRODED. ACCOMPLISHED SHEAR WEB SPLICE REPAIR AT BS 350 BETWEEN LBL45 AND LBL60, IAW EO B757-5310-58631-A AND VTMAE EA 757-5315-27-A2184. THIS REPAIR IS CLASSIFIED AS A "MAJOR" REPAIR.
- [SDR IPXA2015091793646](https://openairdocs.org/sdr/IPXA2015091793646.md): Floorbeam · corroded · Aug 29, 2015 · N449UP · Boeing 75724APF · Fuselage Main, Floor Beam
  > INSPECTION TYPE:C, MAIN DECK AT BS 310, BET LBL58 AND LBL55 FLOORBEAM UPPER CHORD CORRDED ACCOMPLISHED BS310 FLOORBEAM UPPER TEE CHORD STRAP REPAIR AT LBL60 IAW EA 757-5315-27-A2183 AND EO NR B757-5310-58732-A.
- [SDR IPXA2015091193416](https://openairdocs.org/sdr/IPXA2015091193416.md): Seat Track · corroded · Aug 29, 2015 · N449UP · Boeing 75724APF · Fuselage, Seat/Cargo Attach Fittings
  > INSPECTION TYPE: C, SEAT TRACK, BS 900-1080, RBL 62, INBD FLANGE RADIUS AND AROUND FASTENER HOLES CORRODED. R & R THE SEAT TRACK IAW DWG 144N5017, SHT 1, REV A.
- [SDR IPXA2015091193418](https://openairdocs.org/sdr/IPXA2015091193418.md): Seat Track · corroded · Aug 29, 2015 · N449UP · Boeing 75724APF · Fuselage, Seat/Cargo Attach Fittings
  > INSPECTION TYPE: CMCD, SEAT TRACK AT BS 1681, LBL 45 UPPER SURFACE HAS CORROSION. R & R THE SEAT TRACK IAW DWG 146N5217, SHT 3, REV.
- [SDR IPXA2015091793648](https://openairdocs.org/sdr/IPXA2015091793648.md): Pan · gouged · Aug 28, 2015 · N449UP · Boeing 75724APF · Engine Thrust Reverser
  > INSPECTION TYPE:C 1, ENGINE OTBD T/R INTERIOR SIDE METAL PAN AFT SIDE GOUGED. R & R NR 1 ENGINE OTBD T/R INTERIOR SIDE METAL PAN, PN: LJ75051-43, BATCH 0002845422 IAW SRM 51-40-05-0G, AND SRM 51-40-02-0G.
- [SDR IPXA2015091493517](https://openairdocs.org/sdr/IPXA2015091493517.md): Floor Panel · damaged · Aug 26, 2015 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE: C, MAIN DECK CARGO FLOOR PANEL 251XQF HAS DAMAGE. FABRICATED A NEW FLOOR PANEL IAW SREO B757-5320-9692-H.
- [SDR IPXA2015091493516](https://openairdocs.org/sdr/IPXA2015091493516.md): Floor Panel · delaminated · Aug 26, 2015 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE: C, MAIN DECK CARGO FLOOR PANEL 232XJF IS DELAMINATED. FABRICATED A NEW FLOOR PANEL IAW SREO B757-5320-9692H.
- [SDR IPXA2015091493514](https://openairdocs.org/sdr/IPXA2015091493514.md): Floor Panel · damaged · Aug 26, 2015 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE: C, COCKPIT FLOOR PANEL 212XAF HAS EDGE DAMAGE. FABRICATED NEW FLOOR PANEL 212XAF.
- [SDR IPXA2015091493510](https://openairdocs.org/sdr/IPXA2015091493510.md): Floor Panel · delaminated · Aug 26, 2015 · N449UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE: C, MAIN DECK CARGO FLOOR PANEL 231XJF IS DELAMINATED. FABRICATED A NEW PANEL IAW SREO B757-5320-9692-H.

Next page: https://openairdocs.org/aircraft/N449UP/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 = 'N449UP' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N449UP/reports

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