# Service difficulty reports: N409UP

A list on [N409UP](https://openairdocs.org/aircraft/N409UP.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 5 · 232 reports

- [SDR IPXA2026012386466](https://openairdocs.org/sdr/IPXA2026012386466.md): Flap System · faulted · Jan 20, 2026 · N409UP · Boeing 75724APF · Trailing Flap Position Indicating System
  > AIR TURN BACK, TE FLAP ASSYMETRY. PERFORMED OPS CHECK OF FLAP SYSTEM IAW AMM 27-51-00-715-001. OPS CHECK NORMAL. ALSO VERIFIED FLAP POSITION TRANSMITTERS IAW AMM 27-58-01-825-003 STEPS 2.I. AND 2.J. ALL VALUES WITHIN LIMITS.
- [SDR IPXA2026012086466](https://openairdocs.org/sdr/IPXA2026012086466.md): Flap System · faulted · Jan 20, 2026 · N409UP · Boeing 75724APF · Trailing Edge Flap Control System
  > AIR TURN BACK, TE FLAP ASSYMETRY
- [SDR IPXA2025122311371](https://openairdocs.org/sdr/IPXA2025122311371.md): Plate · corroded · Dec 18, 2025 · N409UP · Boeing 75724APF · Wing Miscellaneous Structure
  > STR- DURING OK TO INSTALL FOUND #1 PYLON WING L/E FAIRING WITH CORROSION AT LIGHTENING HOLE. REMOVED CORROSION AT #1 PYLON WING L/E FAIRING AT LIGHTENING HOLE IAW B757-200 PF SRM 51-10-02. FABRICATED NOSE BEAM BASE PLATE LH WING LE P/N 114N1806-11 IAW DWG 114N
- [SDR IPXA2025112822937](https://openairdocs.org/sdr/IPXA2025112822937.md): Drag Fitting · damaged · Oct 23, 2025 · N409UP · Boeing 75724APF · Wing Miscellaneous Structure
  > LEFT WING UPPER SKIN HOLES, UPPON VISUAL INSPECTION, IT WAS FOUND NR 1 HOLE CSK WITH CHATTERING, NR 8 HOLE CSK WITH CORROSION, NR 3 & 5 HOLES HAVE VISUAL DEFECTS NOTED AND VERIFIED HOLES BY MEASURES. ACCOMPLISHED REPAIR PER EO-95917-REQ1 AND VT-SAA EA 757-570
- [SDR IPXA2025112816445](https://openairdocs.org/sdr/IPXA2025112816445.md): Skin · damaged · Oct 23, 2025 · N409UP · Boeing 75724APF · Trailing Edge Flaps
  > RIGHT WING OUTBOARD MAIN FLAP L/E SKIN HAS A GOUGE AT APPROX WS 652.50. CCOMPLISHED THE PERMANENT REPAIR PER EO-95912-REQ1 AND VT-SAA EA 757-5700-01-B0636, REV. IR.
- [SDR IPXA2025110922681](https://openairdocs.org/sdr/IPXA2025110922681.md): Skin · corroded · Oct 23, 2025 · N409UP · Boeing 75724APF · Wing, Plate/Skin
  > RIGHT WING UPPER SKIN HAS EVIDENCE OF CORROSION AT APPROX BBL 70.50 AND STGR U-14 AREA, ACCOMPLISH REPAIR IN ACCORDANCE WITH EO-95795-REQ1 AND VT-SAA EA 757-5700-01-B0633 REV IR PRIOR TO FURTHER FLIGHT.
- [SDR IPXA2025120998823](https://openairdocs.org/sdr/IPXA2025120998823.md): Access Door · corroded · Oct 22, 2025 · N409UP · Boeing 75724APF · Fluid Service Doors
  > CORROSION AT LOWER HINGE OF LAV DUMP ACCESS DOOR. AIRFRAME SIDE. INSTALLED 1EA FWD TOILET SERVICE DOOR AND (1EA) LOWER HINGE ASSY FROM FORWARD TOILET SERVICE PAN IAW AMM 52-49-06-404-012 AND SRM 51-40-02-0G-0
- [SDR IPXA2025110198823](https://openairdocs.org/sdr/IPXA2025110198823.md): Hinge · corroded · Oct 22, 2025 · N409UP · Boeing 75724APF · Fuselage, Door Hinge
  > CORROSION AT LOWER HINGE OF LAV DUMP ACCESS DOOR. AIRFRAME SIDE. 61-009. OPEN
- [SDR IPXA2025112675242](https://openairdocs.org/sdr/IPXA2025112675242.md): Nut Plate · corroded · Oct 21, 2025 · N409UP · Boeing 75724APF · Fuselage Main, Attach Fittings
  > BULK CARGO CEILING AREA AT STA. 1681 HAS 3EA CORRODED NUTPLATES (FWD AND AFT SIDES OF FLOOR BEAM). 83-011 ATA 53-10. INSTALLED NUTPLATE ASSY 3EA P/N146N5693-5 PER DWG 146N5693/SAMPLE PARTS, IAW B757-200PF SRM 51-40-02-OG-0.
- [SDR IPXA2025111975189](https://openairdocs.org/sdr/IPXA2025111975189.md): Nut Plate · corroded · Oct 21, 2025 · N409UP · Boeing 75724APF · Fuselage Main, Attach Fittings
  > BULK CARGO CEILING AREA AT STA. 1720 HAS 8EA NUTPLATES WITH CORROSION. INSTALLED NUTPLATE ASSY AT BULK CARGO CEILING AREA AT STA. 1720 PER DWG 146N5693 IAW B757-200PF SRM 51-40-02-OG-0.
- [SDR IPXA2025110575242](https://openairdocs.org/sdr/IPXA2025110575242.md): Nut Plate · corroded · Oct 21, 2025 · N409UP · Boeing 75724APF · Fuselage Main, Attach Fittings
  > BULK CARGO CEILING AREA AT BS 1681 HAS 3EA CORRODED NUTPLATES (FWD AND AFT SIDES OF FLOOR BEAM). 83-011 ATA 53-10 REVIEWED
- [SDR IPXA2025112848914](https://openairdocs.org/sdr/IPXA2025112848914.md): Skin · dented · Oct 19, 2025 · N409UP · Boeing 75724APF · Fuselage Main, Plate/Skin
  > PROTRUDING DENT AT APROX STA 1620-1640 STR 23L-24L NEAR LT OUTFLOW VALVE. ACCOMPLISHED REPAIR IAW EO-95813-REQ1 AND VT-SAA EA 757-5300-01-B0619, REV IR.
- [SDR IPXA2025112848783](https://openairdocs.org/sdr/IPXA2025112848783.md): Skin · dented · Oct 19, 2025 · N409UP · Boeing 75724APF · Fuselage Main, Plate/Skin
  > THREE DENTS FOUND BETWEEN BS 1460 & 1480. STR 25L-26L. ACCOMPLISHED REPAIR IAW EO-95807-REQ1 & VT-SAA EA 757-5300-01-B0620 REV IR.
- [SDR IPXA2025111949614](https://openairdocs.org/sdr/IPXA2025111949614.md): Shim · damaged · Oct 19, 2025 · N409UP · Boeing 75724APF · Fuselage Main, Plate/Skin
  > FUSELAGE SKIN HAS A BULGE AT BS 1460 STR 28R, FABRICATED, LOCATED, AND DRILLED NEW SHIM IAW B757-200 SRM 51-40-05-0G-0 AND DWG# 146N3400. REVIEWED
- [SDR IPXA2025082538528](https://openairdocs.org/sdr/IPXA2025082538528.md): Skin · damaged · Jul 26, 2025 · N409UP · Boeing 75724APF · Trailing Edge Flaps
  > WHILE PERFORMING WALK AROUND PER PS1 FOUND LT WING #2 FLAP UPPER SURFACE AFT OF L/E PREVIOUS REPAIR HAS PEELED OFF. C/W ALL STEPS OF EO-94534-REQ3. THIS REPAIR IS CONSIDERED PERMANENT. MAJOR REPAIR.
- [SDR IPXA2025072938528](https://openairdocs.org/sdr/IPXA2025072938528.md): Repair · peeling · Jul 26, 2025 · N409UP · Boeing 75724APF · Trailing Edge Flaps
  > MAJOR REPAIR, WHILE PERFORMIN WALK AROUND PER PS1 FOUND L/H WING #2 FLAP UPPER SURFACE AFT OF L/E PREVIOUS REPAIR HAS PEELED OFF. DEFERRED IAW EO-94534-REQ1.
- [SDR IPXA2025040160383](https://openairdocs.org/sdr/IPXA2025040160383.md): Latch · broken · Mar 26, 2025 · N409UP · Boeing 75724APF · Emergency Equipment
  > **SUPPLEMENTAL SDR** FO EMERGENCY ESCAPE ROPE DOOR LATCH BROKEN. R&R FO EMERGENCY ESCAPE ROPE DOOR LATCH REF IPC 25-61-52-02. CHECKS OK.
- [SDR IPXA2025032660383](https://openairdocs.org/sdr/IPXA2025032660383.md): Latch · broken · Mar 26, 2025 · N409UP · Boeing 75724APF · Emergency Equipment
  > FO EMERGENCY ESCAPE ROPE DOOR LATCH BROKEN DEFERRED FO ESCAPE ROPE DOOR IAW EO-93193
- [SDR IPXA2025010731065](https://openairdocs.org/sdr/IPXA2025010731065.md): Buss Bar · arced · Jan 4, 2025 · N409UP · Boeing 75724APF · Window System Wiring
  > *SUPPLEMENTAL SDR* R1 WINDOW: LOWER BUSS BAR HAS SIGNS OF ARCING WITH MOISTURE INGRESS ALONG OUTBOARD AREA REMOVED AND REPLACED R1 WINDOW, OPS CHECK GOOD. AMM 56-11-01
- [SDR IPXA2025010631065](https://openairdocs.org/sdr/IPXA2025010631065.md): Buss Bar · arced · Jan 4, 2025 · N409UP · Boeing 75724APF · Window System Wiring
  > R1 WINDOW: LOWER BUSBAR HAS SIGNS OF ARCING WITH MOISTURE INGRESS ALONG OUTBOARD AREA ACCOMPLISHED STEPS UP TO 2.D.(6) OF R1 WINDOW REMOVAL IN REF TO AMM 56-11-01.
- [SDR IPXA2024022778715](https://openairdocs.org/sdr/IPXA2024022778715.md): Door · binding · Feb 27, 2024 · N409UP · Boeing 75724APF · Passenger/Crew Doors
  > CREW ENTRY DOOR HANDLE DIFFICULT TO LATCH/UNLATCH ADJUSTED LOWER CREW ENTRY DOOR LATCH ROLLER IAW 757 AMM 52-12-00-825-007. CREW ENTRY DOOR OPERATES NORMAL. OK TO CONTINUE
- [SDR IPXA2023102715039](https://openairdocs.org/sdr/IPXA2023102715039.md): Door · cracked · Oct 17, 2023 · N409UP · Boeing 75724APF · Doors
  > MAJOR REPAIR, L/H DRY FUEL PANEL 532FZ HAS A CRACK IN THE UPPER CORNER. DOT 33-040. REFINISH THE REPAIR WITH 156 BATH 4167988 IAW-757-SRM-51-70-07-0G-O PARA. 5 K. 7-8-9. PERFORMED POST REPAIR INSP ON THE L/H DRY BAY PANEL 532FZ IAW PART 1 51-01-01, PART 4 51-
- [SDR IPXA2023102715115](https://openairdocs.org/sdr/IPXA2023102715115.md): Door · cracked · Oct 17, 2023 · N409UP · Boeing 75724APF · Doors
  > MAJOR REPAIR, L/H DRY BAY FUEL PANEL 532HZ HAS A CRACK IN THE UPPER CORNER. DOT 33-041. REFINISH THE REPAIR WITH 156 BATCH 4167988 IAW-757-SRM-51-70-07-0G-0 PARA. 5.K 7-8-9. PERFORMED POST REPAIR INSP ON THE L/H DRY BAY FUEL PANEL 532HZ IAW PART 1 51-01-01, P
- [SDR IPXA2023110617707](https://openairdocs.org/sdr/IPXA2023110617707.md): Unknown · unknown · Oct 11, 2023 · N409UP · Boeing 75724APF · Fuselage Structure (General)
  > *MAJOR REPAIR* FAULT: AFT CARGO COMPT, STA 1560, FOUND EXISTEN FRAME REPAIR AT S-26R. VERIFIED ALL WORK ACCOMPLISJED C/W UPS EO: EO-88497-REQ1 AND VTMAE EA 757-5360-27-A3395. REF STEP 45. INSPECTED AND VERIFIED ALL WORKIS COMPLETED. INSPECTION COMPLETED.
- [SDR IPXA2023110891455](https://openairdocs.org/sdr/IPXA2023110891455.md): Latch · gouged · Oct 9, 2023 · N409UP · Boeing 75724APF · Passenger/Crew Doors
  > CREW ENTRY DOOR UPPER AND LOWER CAM LATCHES HAVE GOUGE. DOT # 89-005. BLENDED OUT GOUGE IN ENTRY DOOR LACHES UPPER AND LOWER IAW B757 SRM 51-10-02 AND (STEP 1) EO NO. B757-5210-14721-B. TREATRED AND PRIMED AREA IAW SRM 51-20-01.
- [SDR IPXA2023110891326](https://openairdocs.org/sdr/IPXA2023110891326.md): Pad · worn · Oct 9, 2023 · N409UP · Boeing 75724APF · Passenger/Crew Doors
  > CREW ENTRY DOOR STOP PAD 10 EA HAVE WEAR MARKS. DOT # 89-004. AFTER FURTHER EVALUATION IN CREW ENTRY DOOR STOP PAD (10 EA) THEY WERE FOUND IN PERFECT CONDITION IT WAS ONLY CLEANED IAW B 757 SOPM 20-30-03 PAS 9.
- [SDR IPXA2023101091455](https://openairdocs.org/sdr/IPXA2023101091455.md): Unknown · unknown · Oct 9, 2023 · N409UP · Boeing 75724APF · Doors
  > *** SDR FILED OPEN *** FAULT - CREW ENTRY DOOR UPPER AND LOWER CAM LATCHES HAVE GOUGE. DOT # 89-005 APPROVED
- [SDR IPXA2023100333546](https://openairdocs.org/sdr/IPXA2023100333546.md): Support · cracked · Oct 1, 2023 · N409UP · Boeing 75724APF · Cargo/Baggage Doors
  > FOUND CRACKS ON FWD CARGO DOOR SUPPORT LINK ASSEMBLY. VERIFIED INSTALLATION OF MCD FWD CARGO LINK REF AMM 52-32-04
- [SDR IPXA2023090659216](https://openairdocs.org/sdr/IPXA2023090659216.md): Light · inoperative · Aug 28, 2023 · N409UP · Boeing 75724APF · Emergency Lighting
  > *** SUPPLEMENTAL SDR *** INTERIOR EMERGENCY LIGHTS INOP R&R'D BATTERY AND CHARGER IAW AMM 33-51-07. OPS CHK GOOD. PLACARD REMOVED.
- [SDR IPXA2023082859216](https://openairdocs.org/sdr/IPXA2023082859216.md): Unknown · unknown · Aug 28, 2023 · N409UP · Boeing 75724APF · Emergency Lighting
  > INTERIOR EMERGENCY LIGHTS INOP DERFERRAL MEL 33-51-1-1. PLACARD INSTALLED
- [SDR IPXA2022011878008](https://openairdocs.org/sdr/IPXA2022011878008.md): None · none · Jan 18, 2022 · N409UP · Boeing 75724APF · Horizontal Stabilizer Structure
  > INSPECTION TYPE:SEG4MAIN CABIN SEAT TRACK ASSY LBL 24, STA 1060 TO STA 1080 O/B FLANGE CORRODED AROUND FASTENERS. DOT 49-001REMOVED T CHORD SECTION OF ASSY AND FABRICATED NEW T CHORD ON TRAVELER #T22/1594098, INSTALL T CHORD. INSTALLED PER SRM 51-40-02.
- [SDR IPXA2021122277161](https://openairdocs.org/sdr/IPXA2021122277161.md): A/C Pack · fumes · Dec 21, 2021 · N409UP · Boeing 75724APF · Cabin Cooling System
  > INSPECTION TYPE:N/AR. PACK SMELLS CONTINOUSLY LIKE OIL, BOTH PACKS ON IS DEAFENINGT/S CONTAMINATION IN AC SYS PER FIM 21-00-01 PG BLK 301, OIL SMELL APPEARS TO BE COMING FROM RT SYS. C/W REMOVAL OF OIL FR AC SYS & PNEU SYS PER AMM 21-00-01. NO HELP. UP TO STE
- [SDR IPXA2021111776073](https://openairdocs.org/sdr/IPXA2021111776073.md): None · none · Nov 16, 2021 · N409UP · Boeing 75724APF · Passenger/Crew Doors
  > INSPECTION TYPE:N/ADOOR OPEN MSG FROM CREW ENTRY DOOR CAME ON DURING TAKEOFF. DOOR WAS CONFIRMED CLOSED & LOCKED. LIGHT WENT OUT AFTER A FEW SECONDS AFTER PUSHING ON DOOR. SUSPECTED FAULTY SWITCH.C/W MM INSPECTION PER 52-12-00-705-001, LUBED ROLLERS OPS CK'D D
- [SDR IPXA2020111962567](https://openairdocs.org/sdr/IPXA2020111962567.md): Cover · inoperative · Nov 19, 2020 · N409UP · Boeing 75724APF · Emergency Lighting
  > INSPECTION TYPE: N/A EMERGENCY EXIT LIGHT SPRING LOADED COVER IS NOT OPERATING PROPERLY. R & R EMERGENCY LIGHT SWITCH PANEL, PER AMM 33-51-00. OPERATIONS CHECK GOOD EFF SOURCE, REF AIPC 33-51-08-02.
- [SDR IPXA2020111262304](https://openairdocs.org/sdr/IPXA2020111262304.md): Warning Message · false activation · Nov 11, 2020 · N409UP · Boeing 75724APF · Airspeed/Mach Indicator
  > INSPECTION TYPE: NA ATB-AC OOS. EMERGENCY DECLARED, LANDING W/OUT INCIDENT, NO EQUIPMENT USED. IN CLIMB AIRSPEED LOW EICAS MESSAGE, CAPT & F/O A/S MATCHED. F/O SIDE MIN MANEVERING SPEED CONSISTENTLY DISPLAY 15 KTS BELOW INDICATED. SWITCHING AIR DATA NO HEL
- [SDR IPXA202002051801](https://openairdocs.org/sdr/IPXA202002051801.md): Stringer · corroded · Feb 4, 2020 · N409UP · Boeing 75724APF · Fuselage Main, Longeron/Stringer
  > INSPECTION TYPE:SEG3AFT CARGO COMPT STA 1450 S-29L CORROSION ON BOTH SIDESREMOVED CORROSION, INSTALLED REPAIRS SPLICE3 IAW EO B757-5310-75340-A
- [SDR IPXA2020013151607](https://openairdocs.org/sdr/IPXA2020013151607.md): Skin · punctured · Jan 31, 2020 · N409UP · Boeing 75724APF · Leading Edge Devices
  > INSPECTION TYPE:SEG3, LEFT WING NR 2 SLAT I/B EXTERNAL UPPER SKIN PUNCTURED. REPAIRED IAW SRM 57-43-02-2R-1, AND SRM 51-70-10-2R-2 300.
- [SDR IPXA2020012751442](https://openairdocs.org/sdr/IPXA2020012751442.md): Skin · damaged · Jan 27, 2020 · N409UP · Boeing 75724APF · Leading Edge Devices
  > INSPECTION TYPE:SEG4, NR 3 SLAT WAS DENTED AND DELAMINATED ON UPPER EXTERNAL SKIN T/E WEDGE. REPAIRED THE DAMAGED AREA IAW SRM 51-10-70-2R-4, IAW SREO 57-43-02-2R-1
- [SDR IPXA2019111328924](https://openairdocs.org/sdr/IPXA2019111328924.md): Fault Message · false activation · Nov 9, 2019 · N409UP · Boeing 75724APF · Door Warning System
  > INSPECTION TYPE:N/AL FWD ENTRY DOOR EICAS ILLUMINATED DURING TAKE OFF THEN EXTINGUISHED @500 FEETPER FIM 52-90-01-44 AMM TASK 52-71-00-735-053 DOOR SYSTEM TEST NO FAULTS NOTED AT THIS TIME OK TO CONTINUE
- [SDR IPXA2019110878742](https://openairdocs.org/sdr/IPXA2019110878742.md): Sensor · faulted · Nov 7, 2019 · N409UP · Boeing 75724APF · Cabin Cooling System
  > ON TAKEOFF ROLL BEFORE 80KTS, NOTED PACK TEMP EICAS MESSAGE. REJECTED TAKEOFF APPROXIMATELY 60 KTS. DEFERRED LEFT PACK PER 21-51-1ACCOMP FIM 21-51-00-815-803. FAULT FOUND MIX MAN SENSOR. R & R THE TS5296 SENSOR IAW AMM 21-51-08-004-001. OPS CHECKED OK.
- [SDR IPXA2019022099217](https://openairdocs.org/sdr/IPXA2019022099217.md): Support Bracket · damaged · Feb 19, 2019 · N409UP · Boeing 75724APF · Passenger/Crew Doors
  > ON TOUCHDOWN, EICAS MSG. L FWD ENTRY DOOR DISPLAYED MOMENTARILY. R/R SWITCH SUPPORT BRACKET PER AMM 52-71-00. OPS CK NORMAL.
- [SDR IPXA2018101234932](https://openairdocs.org/sdr/IPXA2018101234932.md): A/C Pack · shutdown · Oct 11, 2018 · N409UP · Boeing 75724APF · Cabin Cooling System
  > BOTH PACKS SHUT OFF IN FLIGHT. DIVERTED, REPLACED THE LT AND RT HPSOV, REPLACED RH HP PILOT VALVE, REPLACED BOTH BARROMETRIC SENSORS, REPLACED BOTH LT AND RT BLEED CONTROL CARDS. PERFORMED HEALTH CHECK NO DEFECTS FOUND AND RAN ENGINES, OPS CHECKED NORMAL
- [SDR IPXA2018012425840](https://openairdocs.org/sdr/IPXA2018012425840.md): Stringer · corroded · Jan 13, 2018 · N409UP · Boeing 75724APF · Fuselage Main, Longeron/Stringer
  > INSPECTION TYPE: SEG2, AFT CARGO STRINGER 26R BETWEEN BS 1600 - 1620 HAS CORROSION. THE STRINGER WAS REPAIR IAW SRM 53-00-03-2R-1.
- [SDR IPXA2018011625579](https://openairdocs.org/sdr/IPXA2018011625579.md): Floor Panel · broken · Jan 10, 2018 · N409UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE: SEG2, MAIN CABIN FLOOR PANEL 241XCF BROKEN. FABRICATED A NEW FLOOR PANEL IAW SREO B757-5320-9692K.
- [SDR IPXA2018011625577](https://openairdocs.org/sdr/IPXA2018011625577.md): Floor Panel · damaged · Jan 10, 2018 · N409UP · Boeing 75724APF · Fuselage Floor Panel
  > INSPECTION TYPE: SEG2, MAIN CABIN FLOOR PANEL 241XHF HAS CORNER EDGE DAMAGED. FABRICATED A NEW FLOOR PANEL IAW SREO B757-5320-9692-K.
- [SDR IPXA2017112023714](https://openairdocs.org/sdr/IPXA2017112023714.md): Seat Track · not reported · Nov 19, 2017 · N409UP · Boeing 75724APF · Fuselage, Seat/Cargo Attach Fittings
  > MD CARGO COMPARTMENT SEAT TRACK REPAIR AT STA 1587 AND 1595 LBL 25. REPLACING FULL SECTION AND R SEAT TRACK IAW SRM 51-51-40-02AND DRAWING 146N5217.
- [SDR IPXA2017110723337](https://openairdocs.org/sdr/IPXA2017110723337.md): Seat Track · damaged · Nov 6, 2017 · N409UP · Boeing 75724APF · Fuselage, Seat/Cargo Attach Fittings
  > SEAT TRACK STA 1590 LBL 45.50 HAS TRACK LODES ELONGATED. REPAIRED IAW EO B757-5310-66169-B.
- [SDR IPXA2016012098112](https://openairdocs.org/sdr/IPXA2016012098112.md): Proximity Sensor · malfunctioned · Jan 20, 2016 · N409UP · Boeing 75724APF · Door Warning System
  > INSPECTION TYPE: L, FWD ENTRY DOOR LIGHT AND EICAS DISPLAYS WITH DOOR CLOSED. R & R CREW ENTRY DOOR PROXIMITY SENSOR IAW AMM 52-71-00-000-802 AND WDM 52-71-31. 4. OPS CHECKED GOOD IAW AMM 52-71-00-735-053.
- [SDR IPXA2015061290093](https://openairdocs.org/sdr/IPXA2015061290093.md): Unknown · odor · Jun 12, 2015 · N409UP · Boeing 75724APF · Air Distribution System
  > AFTER TAKEOFF BACKLIGHTING IN ENGINE START PANEL WENT OUT A WHILE LATER SMELLED A CHEMICAL ODOR FOLLOWED BY AN ODOR OF BURNING OR CHANED PAPER. DONNED OXYGEN MASKS AND TROUBLSHOT INDIVIDUAL PACKS TO NO AVAIL. EXAMINED INSPECTED WIRING & SURROUNDING AREAS OF
- [SDR IPXA2014110484780](https://openairdocs.org/sdr/IPXA2014110484780.md): Valve · inoperative · Nov 1, 2014 · N409UP · Boeing 75724APF · Pneumatic Distribution System
  > LOSS OF RT & LT ENGINE BLEED PRESSURE. REPLACED RT AND LT ENGINE FAM VALVES IAW AMM 36-11-16. BOTH RT AND LT CHECKED GOOD IAW AMM 36-00-22. ALSO, PERFORMED TASKS 36-11-00-710-801 W/OUT DISC.

Next page: https://openairdocs.org/aircraft/N409UP/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 = 'N409UP' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N409UP/reports

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