# Service difficulty reports: N623UP

A list on [N623UP](https://openairdocs.org/aircraft/N623UP.md).

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

- [SDR IPXA2026092477052](https://openairdocs.org/sdr/IPXA2026092477052.md): Retainer · broken · Sep 10, 2026 · N623UP · Boeing 7478F · Passenger/Crew Doors
  > FOUND L1 ENTRY DOOR DOORWAY RETAINER BROKEN AT AFT LOWER SIDE. (REPLACE). I.A.W AMM 52-09-06-000-801 REV.51 AND AMM 52-09-06-400-801 REV.51 REPLACED L1 ENTRY DOOR DOORWAY RETAINER AT AFT LOWER SIDE. R
- [SDR IPXA2026091077052](https://openairdocs.org/sdr/IPXA2026091077052.md): Retainer · broken · Sep 10, 2026 · N623UP · Boeing 7478F · Passenger/Crew Doors
  > FOUND L1 ENTRY DOOR DOORWAY RETAINER BROKEN AT AFT LOWER SIDE.
- [SDR IPXA2026091348961](https://openairdocs.org/sdr/IPXA2026091348961.md): Skin · punctured · Sep 9, 2026 · N623UP · Boeing 7478F · Trailing Edge Flaps
  > PUNCTURED SKIN, LOWER FACE OF LT WING NR 4 FLAP TRACK AFT FAIRING TAIL CONE..I.A.W. 747-8F SRM 57-53-70-2R-1 REFER TO SRM 51-70-05-2R-0 AND SRM 51-70-05-2R-2 REV.49 PERFORM REPAIR AS BELOW STEP:1.1 REMOVE THE UNWANTED MATERIALS AND CLEAN.1.2 MEASURE THE DAMA
- [SDR IPXA2026091548959](https://openairdocs.org/sdr/IPXA2026091548959.md): Fairing · damaged · Sep 9, 2026 · N623UP · Boeing 7478F · Trailing Edge Flaps
  > NO.5 FLAP TRACK AFT FAIRING, AFT LOWER SKIN DAMAGE. I.A.W. 747-8F SRM 57-53-70-2R-1 REFER TO SRM 51-70-05-2R-1 REV. 49 PERFORM REPAIR AS BELOW STEP:1.1 REMOVE THE DAMAGE MATERIALS AND CLEAN.1.2 MEASURE THE DAMAGE AREA ( DIA: 1", 7.7" FROM AFT EDGE AND 33.8"
- [SDR IPXA2026091548999](https://openairdocs.org/sdr/IPXA2026091548999.md): Fairing · debonded · Sep 9, 2026 · N623UP · Boeing 7478F · Trailing Edge Flaps
  > NO.5 FLAP TRACK AFT FAIRING, INBOARD FWD SIDE DAMAGE. I.A.W. 747-8F SRM 57-53-70-2R-1 REFER TO SRM 51-70-05-2R-1 AND SRM 51-70-05-2R-0 REV. 49 PERFORM REPAIR AS BELOW STEP:1.1 REMOVE THE DISBONDED MATERIAL AND CLEAN.1.2 MEASURE THE DAMAGE AREA ( DIA: 1", 58.5
- [SDR IPXA2026091549019](https://openairdocs.org/sdr/IPXA2026091549019.md): Fairing · debonded · Sep 9, 2026 · N623UP · Boeing 7478F · Trailing Edge Flaps
  > NO.5 FLAP TRACK AFT FAIRING, INBOARD LOWER SKIN DAMAGE. I.A.W. 747-8F SRM 57-53-70-2R-1 REFER TO SRM 51-70-05-2R-1 AND SRM 51-70-05-2R-0 REV. 49 PERFORM REPAIR AS BELOW STEP:1.1 REMOVE THE DISBONDED MATERIALS AND CLEAN.1.2 MEASURE THE DAMAGE AREA ( DIA: 1",
- [SDR IPXA2026091549051](https://openairdocs.org/sdr/IPXA2026091549051.md): Fairing · dented · Sep 9, 2026 · N623UP · Boeing 7478F · Trailing Edge Flaps
  > NR 6 AFT FLAP TRACK FAIRING, FWD LOWER SKIN ONE DENT. I.A.W. 747-8F SRM 57-53-70-2R-1 REFER TO SRM 51-70-05-2R-1 REV. 49 PERFORM REPAIR AS BELOW STEP:1.1 REMOVE THE DAMAGE MATERIALS AND CLEAN. 1.2 MEASURE THE DAMAGE AREA ( DIA: 1", 26" FROM FWD EDGE AND 39"
- [SDR IPXA2026091449035](https://openairdocs.org/sdr/IPXA2026091449035.md): Seal · damaged · Sep 9, 2026 · N623UP · Boeing 7478F · Leading Edge Devices
  > FAULT - NO.17 V.C FLAP, OUTBOARD MOLDING SEAL DAMAGE. REMOVE THE RAIN EROSION SHIELDS AND CLEAN. APPLY THE ADHESIVE TO REPAIR AREA CURED AT 80°F FOR 10 HOURS.
- [SDR IPXA2026091721657](https://openairdocs.org/sdr/IPXA2026091721657.md): Web · cracked · Sep 7, 2026 · N623UP · Boeing 7478F · Ailerons
  > CRACKED CHORD, AFT SIDE OF LT WING INBD AILERON INBD WEB UPPER CHORD, WBL 445. ACCOMPLISHED REPAIR IAW EO-98639-REQ1 REV.1 AND EGAT EI F2026A57M-1866 REV 1.
- [SDR IPXA2026091123185](https://openairdocs.org/sdr/IPXA2026091123185.md): Fairing · eroded · Sep 7, 2026 · N623UP · Boeing 7478F · Aerodynamic Fairings
  > ERODED PANEL, WING TO BODY FAIRING PANEL 192AR FWD EDGE. I.A.W. 747-8F SRM 53-00-70-2R-1 REFER TO SRM 51-70-04-2R-1 AND SRM 51-80-03-0G-0 REV. 49 PERFORM REPAIR AS BELOW STEP:1.1 REMOVE THE EROSION MATERIALS AND CLEAN.1.2 MEASURE THE DAMAGE AREA ( L: 7", W
- [SDR IPXA2026091223189](https://openairdocs.org/sdr/IPXA2026091223189.md): Panel · eroded · Sep 7, 2026 · N623UP · Boeing 7478F · Aerodynamic Fairings
  > EROSION - PANEL, WING TO BODY FAIRING PANEL 192AGR FWD EDGE. IAW SRM 53-00-70-2R-1 REFER TO SRM 51-70-05-2R-1 AND SRM 51-80-03-0G-0 REV. 49 PERFORM REPAIR AS BELOW STEP:1.1 REMOVE THE EROSION MATERIALS AND CLEAN. 1.2 MEASURE THE DAMAGE AREA ( L: 14", W: 1.2
- [SDR IPXA2026091223226](https://openairdocs.org/sdr/IPXA2026091223226.md): Panel · eroded · Sep 7, 2026 · N623UP · Boeing 7478F · Aerodynamic Fairings
  > ERODED PANEL, WING TO BODY FAIRING PANEL 191FFL FWD EDGE. I.A.W. 747-8F SRM 53-00-70-2R-1 REFER TO SRM 51-70-05-2R-1 AND SRM 51-80-03-0G-0 REV. 49 PERFORM REPAIR AS BELOW STEP:1.1 REMOVE THE EROSION MATERIALS AND CLEAN.1.2 MEASURE THE DAMAGE AREA ( L: 5.5",
- [SDR IPXA2026090797965](https://openairdocs.org/sdr/IPXA2026090797965.md): Elevator · not reported · Sep 5, 2026 · N623UP · Boeing 7478F · Empennage Structure
  > ADD SDR FOR EO-85445-JIC2. ACCOMPLISHED EO-85445-JIC2.
- [SDR IPXA2026090797876](https://openairdocs.org/sdr/IPXA2026090797876.md): Elevator · not reported · Sep 5, 2026 · N623UP · Boeing 7478F · Empennage Structure
  > ADD SDR FOR EO-85445-JIC1. ACCOMPLISHED EO-85445-JIC1.
- [SDR IPXA2026042760169](https://openairdocs.org/sdr/IPXA2026042760169.md): Landing Gear · inoperative · Apr 24, 2026 · N623UP · Boeing 7478F · Landing Gear Retraction/Extension System
  > AIR TURN BACK, WHEN RAISING GEAR ON TAKE OFF WITH GEAR DIDN€™T RAISE. RECIEVED GEAR DISAGREE AND GEAR DOOR EICAS MESSAGES. RESULTED IN AIR TURN BACK MX NOTED EICAS MSGS & PLF (MSG: 32717,32715,32677,32675). PSEU REPLACED AS PER AMM 32-09-03/401. NO HELP.
- [SDR IPXA2026042460169](https://openairdocs.org/sdr/IPXA2026042460169.md): Landing Gear · failed · Apr 24, 2026 · N623UP · Boeing 7478F · Landing Gear Retraction/Extension System
  > ATB, WHEN RAISING GEAR ON TAKE OFF WITH GEAR DIDN`T RAISE. RECIEVED GEAR DISAGREE AND GEAR DOOR EICAS MESSAGES. RESULTED IN AIR TURN BACK
- [SDR IPXA2024032608357](https://openairdocs.org/sdr/IPXA2024032608357.md): Skin · damaged · Feb 28, 2024 · N623UP · Boeing 7478F · Rudder, Plate/Skin
  > *SUPPLEMENTAL SDR* LIGHTNING STRIKE DAMAGE FOUND BETWEEN GAP OF THE UPPER RUDDER AFT UPPER CORNER AND LOWER AFT TRAILING EDGE VERTICAL STAB SKIN- MARKED WITH TAPE REPAIRED LIGHTNING STRIKE DAMAGE REF EO-89659-REQ 4. THIS REPAIR IS PERMANENT D ITEM IS CLEAR. RE
- [SDR IPXA2024030108357](https://openairdocs.org/sdr/IPXA2024030108357.md): Skin · damaged · Feb 28, 2024 · N623UP · Boeing 7478F · Rudder, Plate/Skin
  > *SDR FILED OPEN* LIGHTNING STRIKE DAMAGE FOUND BETWEEN GAP OF THE UPPER RUDDER AFT UPPER CORNER AND LOWER AFT TRAILING EDGE VERTICAL STAB SKIN- MARKED WITH TAPE SUBMITTED TO ENGINEERING FOR REPAIR.<BR>ITEM REMAINS ON DEFERRAL.
- [SDR IPXA2024020403692](https://openairdocs.org/sdr/IPXA2024020403692.md): Bulb · inoperative · Feb 4, 2024 · N623UP · Boeing 7478F · Emergency Lighting
  > EMERGENCY LIGHT ENTRYWAY IN MAIN CARGO CEILING NEAR L1 DOOR U/S REMOVED AND REPLACED EMERGENCY ENTRYWAY LIGHT LAMPS IAW. AMM 33-51-07-960-801 REV.43. OPS TEST SATIS.
- [SDR IPXA2023112187702](https://openairdocs.org/sdr/IPXA2023112187702.md): Skin · damaged · Nov 21, 2023 · N623UP · Boeing 7478F · Cargo/Baggage Doors
  > *MAJOR REPAIR* MAIN CARGO DOOR LWR FWD CORNER SKIN DAMAGE REPAIR. REF T3F18E000NTVW REPAIRED MCD IAW EO-85298-REQ6, DEFERRAL REQUIRED.
- [SDR IPXA2024010191370](https://openairdocs.org/sdr/IPXA2024010191370.md): Panel · damaged · Oct 9, 2023 · N623UP · Boeing 7478F · Vertical Stabilizer, Plate/Skin
  > MAJOR REPAIR LIGHTNING STRIKE ON LH UPPER VERTICAL STAB PANEL COMPLETED ALL STEPS OF EO 88253 AS REQUIRED THIS ACTION CLOSES BAR CODE T3F18E0033LSN
- [SDR IPXA2023041808906](https://openairdocs.org/sdr/IPXA2023041808906.md): Bottle · low pressure · Apr 17, 2023 · N623UP · Boeing 7478F · Escape Slide
  > DURING PDC FOUND UPPER DECK ESCAPE SLIDE BOTTLE PRESSURE IS IN RED BAND. FOUND BOTTLE PRESSURE IN RED BAND. DEFERRED UPPER DECK ESCAPE SLIDE IAW MEL 25-68-1 REV 2. ADDITIONAL DEFERRAL NEEDED. DEFERRED ALSO UPPER DECK CREW SERVICE DOOR PER MEL 52-13-1 REV 2. DM
- [SDR IPXA2023040500530](https://openairdocs.org/sdr/IPXA2023040500530.md): Rivet · damaged · Mar 24, 2023 · N623UP · Boeing 7478F · Fuselage Main, Plate/Skin
  > *MAJOR REPAIR* LIGHTNING STRIKE DAMAGE, BURNT RIVET, R/H STA. 827 WL 177 COMPLETED EO-86420-REQ1.
- [SDR IPXA2023112115896](https://openairdocs.org/sdr/IPXA2023112115896.md): Skin · dented · Jan 17, 2023 · N623UP · Boeing 7478F · Cargo/Baggage Doors
  > *SUPPLEMENTAL SDR* *MAJOR REPAIR* S/M - SIDE CARGO DOOR LOWER OUTER SKIN SHALLOW DENT***SM40/LMX8*** REINSTALLED MCD UPPER DECK SIDE DOOR LOWER FWD LOCK RODS AND MAIN LOCKING ACTUATOR TORQUE TUBE ASSY IAW MM 52-32-00, 52-32-11, 52-32-12. EO 85298 ACCOMPLISHED
- [SDR IPXA2023011715896](https://openairdocs.org/sdr/IPXA2023011715896.md): Unknown · unknown · Jan 17, 2023 · N623UP · Boeing 7478F · Cargo/Baggage Doors
  > *SDR FILED OPEN* *MAJOR REPAIR* S/M - SIDE CARGO DOOR LOWER OUTER SKIN SHALLOW DENT***SM40/LMX8*** REMOVED INTERIOR LINER ON MCD SIDE DOOR FOR S/M ACCESS REF AMM 52-32-00.
- [SDR IPXA2021080472436](https://openairdocs.org/sdr/IPXA2021080472436.md): Pseu · faulted · Aug 3, 2021 · N623UP · Boeing 7478F · Landing Gear Position and Warning
  > GEAR MONITOR STATUS MESSAGE ON TAXI-IN. REMOVED AND REPLACED PSE PER AMM 32-09-03 PSEU GND TEST PASS OK FOR SERVICE
- [SDR IPXA2021080272315](https://openairdocs.org/sdr/IPXA2021080272315.md): Status Message · false activation · Jul 31, 2021 · N623UP · Boeing 7478F · Landing Gear Position and Warning
  > INSPECTION TYPE:N/AAFTER LANDING STATUS MSG (GEAR MONITOR)T/S PER FIM 32-60-00-810-801 NO TROUBLE FOUND AT THIS TIME. INTERMITTENT FAULT
- [SDR IPXA2021042568596](https://openairdocs.org/sdr/IPXA2021042568596.md): Life Raft · low pressure · Apr 25, 2021 · N623UP · Boeing 7478F · Life Raft
  > INSPECTION TYPE:NA1 CREW LIFE RAFT SHOWS 0 PRESSURE ON GAUGE. REMOVED AND REPLACED FWD LIFE RAFT IAW B747 AMM 25 62 01 700 801 ALL CHECKS GOOD ESR: 25 62 01 02

## 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 = 'N623UP' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N623UP/reports

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