# Service difficulty reports: N634UP

A list on [N634UP](https://openairdocs.org/aircraft/N634UP.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 · 114 reports

- [SDR IPXA2026100557659](https://openairdocs.org/sdr/IPXA2026100557659.md): Door · cracked · Oct 2, 2026 · N634UP · Boeing 7478F · Standard Practices/Structures
  > MAJOR REPAIR, EO-97169-REQ1.
- [SDR IPXA2026100252112](https://openairdocs.org/sdr/IPXA2026100252112.md): Fairing · punctured · Sep 27, 2026 · N634UP · Boeing 7478F · Trailing Edge Flaps
  > PUNCTURED SKIN, LT WING NR 4 FLAP TRACK AFT FAIRING EXTERNAL SKIN. REMOVE THE PUNCTURED MATERIALS AND CLEAN. BOND THE REPAIR PLIES WITH RESIN CURED AT 200F FOR 240 MINUTES WITH MINIMUM VACUUM OF 22 IN/HG. IAW SRM 57-53-70-2R-1 REFER TO SRM 51-70-04-2R-1 AND SR
- [SDR IPXA2026100853404](https://openairdocs.org/sdr/IPXA2026100853404.md): Collar · obstructed · Sep 27, 2026 · N634UP · Boeing 7478F · Fuselage Main, Structure
  > MAJOR REPAIR, DEVIATION DURING PERFORM SB EO-97169-REQ 1, HAD ONE COLLAR THAT CAN NOT BE INSTALLED. ACCOMPLISH IAW EO-97169-REQ4, REV 1, & EI F2026A53M-2113, REV 0, & REV 1.
- [SDR IPXA2026100352096](https://openairdocs.org/sdr/IPXA2026100352096.md): Seal · broken · Sep 27, 2026 · N634UP · Boeing 7478F · Trailing Edge Flaps
  > BROKEN-MOLDING SEAL, LT WING NR 1,FLAP EXTERNAL SKIN MOLDING SEAL AREA. REMOVE THE RAIN EROSION SHIELDS AND CLEAN. APPLY THE SEALANT TO REPAIR AREA CURED AT 70F FOR 20 HOURS IAW SRM 57-43-02-2R-4 REV.49 REFER TO SOPM 20-50-12 REV. 160.
- [SDR IPXA2026100338652](https://openairdocs.org/sdr/IPXA2026100338652.md): Door · dented · Sep 26, 2026 · N634UP · Boeing 7478F · Leading Edge Devices
  > DENTED SKIN, RT WING S/S DOOR FAIRING EXTERNAL SURFACE. MEASURE THE DAMAGE AREA ( DIA: 1", 13" FROM FWD EDGE, 3.3" FROM OUTBD EDGE). BOND THE REPAIR PLIES WITH FILM ADHESIVE CURED AT 260°F FOR 130 MINUTES WITH MINIMUM VACUUM OF 22 IN/HG. IAW SRM 52-80-02-2R
- [SDR IPXA2026100523567](https://openairdocs.org/sdr/IPXA2026100523567.md): Channel · cracked · Sep 25, 2026 · N634UP · Boeing 7478F · Horizontal Stabilizer Miscellaneous Structure
  > DURING PERFORM EO-84432-JIC1, FOUND WEDGE CHANNEL CRACK AT L/H STAB BL 421.5.
- [SDR IPXA2026100523556](https://openairdocs.org/sdr/IPXA2026100523556.md): Channel · cracked · Sep 25, 2026 · N634UP · Boeing 7478F · Horizontal Stabilizer Miscellaneous Structure
  > DURING PERFORM EO-84432-JIC1, FOUND WEDGE CHANNEL CRACK AT RT STAB BL 421.5. PERFORMED THE HEAT TREATMENT FROM O TO T62 CONDITION. IAW SREO-92949-REQ1, REV 1, STEP 5.
- [SDR IPXA2026033001233](https://openairdocs.org/sdr/IPXA2026033001233.md): Handle · faulted · Mar 27, 2026 · N634UP · Boeing 7478F · Passenger/Crew Doors
  > MAIN ENTRY DOOR EXTERIOR HANDLE DOES NOT RETURN TO FLUSH WHEN OPERATED INTERNALLY OR EXTERNALLY. LUBRICATED MAIN ENTRY DOOR EXTERIOR HANDLE IAW AMM 52-11-13. DOOR HANDLE OPS CHECK GOOD FROM BOTH SIDES.
- [SDR IPXA2026032793659](https://openairdocs.org/sdr/IPXA2026032793659.md): Valve · faulted · Mar 26, 2026 · N634UP · Boeing 7478F · Air Distribution System
  > AIR TURN BACK ONCE AIRBORNE F/D, U/D & C/R TEMP UNCONTROLLABLE IN AUTO OR MANUAL MODE. NO MAGENTA REF. TEMP SETTINGS WERE DISPLAYED. TEMP IN F/D VARIED FROM 63F TO 87F. CREW REST DROPPED TO 50F. ATB ACCOMPLISHED. SEE BARCODE T3F18E008JN5Z. R AND R UD TRIM AIR
- [SDR IPXA2026032687247](https://openairdocs.org/sdr/IPXA2026032687247.md): Fmc · inoperative · Mar 26, 2026 · N634UP · Boeing 7478F · Flight Management Computing Hardware System
  > AIR TURN BACK DUE TO NO NAVIGATION INFO ON ND. FMC LT & RT NORMAL. CURRENT LEG FAULT FMC-L FAIL INTERMITTENT AND FMC-R INTERNAL LOW PRIORITY FAILURE. REPLACED LEFT AND RIGHT FMC€™S REF AMM 34-61-01. VERIFIED CORRECT SOFTWARE PART NUMBERS ON CAPT AND F/O MCDU
- [SDR IPXA2025032475709](https://openairdocs.org/sdr/IPXA2025032475709.md): Battery · inoperative · Mar 21, 2025 · N634UP · Boeing 7478F · Emergency Equipment
  > CAPTAIN`S EMERGENCY FLASHLIGHT NOT CHARGING. R/R CAPTAIN EMERGENCY FLASHLGIHT BATTERY OPS TEST NORMAL IAW AMM25-60-60/201.DEFER CLEARED AND PLACARD RMVD.
- [SDR IPXA2024103046577](https://openairdocs.org/sdr/IPXA2024103046577.md): Actuator · faulted · Oct 30, 2024 · N634UP · Boeing 7478F · Rudder Control System
  > AIR TURN BACK, RUDDER RATIO SINGLE EICAS MESSAGE. RESULTED IN ATB. REMOVED AND REPLACED UPPER RUUDER RATIO CHANGER ACTUATOR SERVO M520 IAW AMM 27-21-12, OPS CHECK GOOD MSG CLEARED. RIG PIN R4 REMOVED. C/W RII REQUIREMENTS, VERIFIED RIG PIN R4 REMOVED, REF GMM
- [SDR IPXA2024100933902](https://openairdocs.org/sdr/IPXA2024100933902.md): Skin · damaged · Oct 9, 2024 · N634UP · Boeing 7478F · Trailing Edge Flaps
  > FOR REPAIR RIGHT WING INBOARD AFTER FLAP LOWER SURFACE. REMOVE DAMAGE AREA AND SURFACE MOISTURE AND CLEAN I.A.W. 747-8F SRM 57-53-01-2R-1 REFER TO SRM 51-70-05-2R-1 PARAGRAPH 5.A.(1), (2) REV.43. REMOVE THE DAMAGE AND TAPER SAND. RECORD THE DAMAGE AREA (1. L:0
- [SDR IPXA2024101015452](https://openairdocs.org/sdr/IPXA2024101015452.md): Stringer · cracked · Oct 8, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, FWD SIDE AND AFT SIDE OF STA 2180, S-13L. (REPAIR) ACCOMPLISH REPAIR PER EO-91491-REQ1 AND EGAT EI F2024A53M-2168, REV.
- [SDR IPXA2024101495837](https://openairdocs.org/sdr/IPXA2024101495837.md): Elevator · no discrepancy · Oct 7, 2024 · N634UP · Boeing 7478F · Elevator Structure
  > RH OUTBOARD ELEVATOR FRONT SPAR AND RIB REINFORCEMENT) ACCOMPLISHED SDR. C/W EO 85445
- [SDR IPXA2024101495833](https://openairdocs.org/sdr/IPXA2024101495833.md): Elevator · no discrepancy · Oct 7, 2024 · N634UP · Boeing 7478F · Elevator Structure
  > *SUPPLEMENTAL SDR* ADD SDR FOR EO-85445-JIC1 (B747-8: LH OUTBOARD ELEVATOR FRONT SPAR AND RIB REINFORCEMENT) ACCOMPLISHED SDR. C/W EO 85445
- [SDR IPXA2024100795837](https://openairdocs.org/sdr/IPXA2024100795837.md): Rib · no discrepancy · Oct 7, 2024 · N634UP · Boeing 7478F · Standard Practices/Structures
  > *SDR FILED OPEN* ADD SDR FOR EO-85445-JIC2 (B747-8: RH OUTBOARD ELEVATOR FRONT SPAR AND RIB REINFORCEMENT)
- [SDR IPXA2024100795833](https://openairdocs.org/sdr/IPXA2024100795833.md): Spar · no discrepancy · Oct 7, 2024 · N634UP · Boeing 7478F · Standard Practices/Structures
  > *SDR FILED OPEN* ADD SDR FOR EO-85445-JIC1 (B747-8: LH OUTBOARD ELEVATOR FRONT SPAR AND RIB REINFORCEMENT)
- [SDR IPXA2024092767623](https://openairdocs.org/sdr/IPXA2024092767623.md): Stringer · cracked · Sep 7, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, AFT SIDE OF STA 1960, S-13L (REPAIR). REPAIR DAMAGE AREA I.A.W. UPS EO-91487-REQ1 REV.1.
- [SDR IPXA2024092467635](https://openairdocs.org/sdr/IPXA2024092467635.md): Stringer · cracked · Sep 7, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, FWD SIDE OF STA 2180, S-23R (REPAIR). ACCOMPLISHED REPAIR I.A.W UPS EO-91492-REQ1.
- [SDR IPXA2024091907248](https://openairdocs.org/sdr/IPXA2024091907248.md): Stringer · cracked · Sep 4, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, FWD SDIE OF STA 2180, S-9R. (REPAIR). ACCOMPLISHED REPAIR I.A.W UPS EO-91431-REQ1 REV.1 AND SRM 53-00-03-2R-7 REV.43 AND SRM 53-60-03-2R-3 REV.43 AND EGAT WORK SHEET NO.40801 AND NO.40795.
- [SDR IPXA2024092307825](https://openairdocs.org/sdr/IPXA2024092307825.md): Stringer · cracked · Sep 4, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, AFT SIDE OF STA 1740 S-18R.(REPAIR). ACCOMPLISHED REPAIR I.A.W. UPS EO-91486-REQ1 REV.1 AND SRM 53-60-03-2R-5 REV.43 AND EGAT WORK SHEET NO.40802.
- [SDR IPXA2024101494833](https://openairdocs.org/sdr/IPXA2024101494833.md): Slide · interference · Sep 3, 2024 · N634UP · Boeing 7478F · Escape Slide
  > UPPER DECK CREW SERVICE DOOR INTERFERES WITH SLIDE PACK WHEN DOOR IS MOVED AFT (REPLACE). C/W MXP-25-068-00-01-JIC.
- [SDR IPXA2024090394833](https://openairdocs.org/sdr/IPXA2024090394833.md): Door · obstructed · Sep 3, 2024 · N634UP · Boeing 7478F · Passenger/Crew Doors
  > UPPER DECK CREW SERVICE DOOR INTERFERES WITH SLIDE PACK WHEN DOOR IS MOVED AFT (REPLACE) OK TO WORK
- [SDR IPXA2024101485474](https://openairdocs.org/sdr/IPXA2024101485474.md): Seal · broken · Sep 2, 2024 · N634UP · Boeing 7478F · Emergency Equipment
  > FOUND COCKPIT FLASHLIGHT SHIELD - TAMPER BROKEN TOTAL 2EA. (REPLACE). I.A.W AMM 25-60-60-960-801 REV 45 REPLACE COCKPIT FLASHLIGHT TAMPER SHIELD TOTAL 2 EA.
- [SDR IPXA2024101484112](https://openairdocs.org/sdr/IPXA2024101484112.md): Seal · damaged · Sep 2, 2024 · N634UP · Boeing 7478F · Passenger/Crew Doors
  > MAIN ENTRY DOOR - AFT LOWER SEAL DAMAGE. (REPLACE). I.A.W AMM52-09-06-000-801 REV 45 AND AMM 52-09-06-400-801 REV 45 REPLACED SEAL AND RETAINER.
- [SDR IPXA2024090385474](https://openairdocs.org/sdr/IPXA2024090385474.md): Flashlight · unsecure · Sep 2, 2024 · N634UP · Boeing 7478F · Emergency Equipment
  > FOUND COCKPIT FLASHLIGHT SHIELD - TAMPER BROKEN TOTAL 2EA. (REPLACE) OK TO WORK
- [SDR IPXA2024090384112](https://openairdocs.org/sdr/IPXA2024090384112.md): Seal · damaged · Sep 2, 2024 · N634UP · Boeing 7478F · Passenger/Crew Doors
  > MAIN ENTRY DOOR - AFT LOWER SEAL DAMAGE. (REPLACE) OK TO WORK
- [SDR IPXA2024092734608](https://openairdocs.org/sdr/IPXA2024092734608.md): Rib · cracked · Aug 30, 2024 · N634UP · Boeing 7478F · Wing, Rib/Bulkhead
  > CRACKED CHORD, L/H WING INBD T/E CAVITY RIB UPPER CHORD, WS 737. (REPAIR). ACCOMPLISH REPAIR PER EO-91290-REQ1 AND EGAT EI F2024A57M-2243, REV. 0 AND 1.
- [SDR IPXA2024091412361](https://openairdocs.org/sdr/IPXA2024091412361.md): Stringer Splice · cracked · Aug 29, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER SPLICE CRACK, AFT SIDE OF STA 740 S-47L. (REPLACE). ACCOMPLISHED REPAIR I.A.W. SRM 53-20-03-2R-5 REV.43 AND EGAT WORK SHEET NO.40746 AND UPS EO-91403-REQ1 REV.1.
- [SDR IPXA2024091412322](https://openairdocs.org/sdr/IPXA2024091412322.md): Stringer Splice · cracked · Aug 29, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER SPLICE CRACK, AFT SIDE OF STA 740 S-45L. (REPLACE). ACCOMPLISHED REPAIR I.A.W. UPS EO-91402-REQ1 REV.1 AND EGAT WORK SHEET NO.40749 SRM 53-20-03-2R-5 REV.43.
- [SDR IPXA2024092595314](https://openairdocs.org/sdr/IPXA2024092595314.md): Rib · cracked · Aug 28, 2024 · N634UP · Boeing 7478F · Wing, Rib/Bulkhead
  > CRACKED UPPER CHORD, RH WING TE WBL 448.70 RIB (REPAIR). ACCOMPLISH REPAIR PER EO-91263-REQ1 AND EGAT EI F2024A57M-2242, REV. 0 AND 1.
- [SDR IPXA2024100995376](https://openairdocs.org/sdr/IPXA2024100995376.md): Skin · damaged · Aug 28, 2024 · N634UP · Boeing 7478F · Trailing Edge Flaps
  > FAULT - ITEMS IDENTIFIED BY BUYER - RIGHT INBD MAIN FLAP - OUTER PANEL - IMPACT DAMAGE, MISSING PLIES. (REPAIR). REMOVE DAMAGE AREA AND SURFACE MOISTURE AND CLEAN I.A.W. 747-8F SRM 57-53-01-2R-1 REFER TO SRM 51-70-04-2R-1 PARAGRAPH 5.A.(1), (2) REV.43. REMOVE
- [SDR IPXA2024100892500](https://openairdocs.org/sdr/IPXA2024100892500.md): Stringer · cracked · Aug 28, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, FWD SIDE OF STA 2360 S-2R. (REPAIR). ACCOMPLISHED REPAIR I.A.W UPS EO-91494-REQ1 REV1.
- [SDR IPXA2024100492463](https://openairdocs.org/sdr/IPXA2024100492463.md): Stringer · cracked · Aug 28, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, FWD SIDE OF STA 2360 S-1L. (REPAIR). ACCOMPLISHED REPAIR I.A.W UPS EO-91493-REQ1 REV.1.
- [SDR IPXA2024100292480](https://openairdocs.org/sdr/IPXA2024100292480.md): Stringer · cracked · Aug 28, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, FWD SIDE OF STA 2360 S-2L. (REPAIR). ACCOMPLISHED REPAIR I.A.W UPS EO-91575-REQ1 REV1.
- [SDR IPXA2024100292485](https://openairdocs.org/sdr/IPXA2024100292485.md): Stringer · cracked · Aug 28, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, FWD SIDE OF STA 2360 S-1R. (REPAIR). ACCOMPLISHED REPAIR I.A.W UPS EO-91576-REQ1 REV.1.
- [SDR IPXA2024092892407](https://openairdocs.org/sdr/IPXA2024092892407.md): Stringer · cracked · Aug 28, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, AFT SIDE OF STA 2180, S-12L. (REPAIR). ACCOMPLISHED REPAIR I.A.W UPS EO-91430-REQ1 REV.1 AND SRM 53-60-03-2R-3 REV.43 AND SRM 53-00-03-2R-7 REV.43 AND EGAT WORK SHEET NO.40759 AND NO.40797.
- [SDR IPXA2024092892542](https://openairdocs.org/sdr/IPXA2024092892542.md): Stringer · cracked · Aug 28, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, FWD SIDE OF STA 2360 S-21R. (REPAIR). ACCOMPLISHED REPAIR I.A.W UPS EO-91432-REQ1 REV1.
- [SDR IPXA2024092892502](https://openairdocs.org/sdr/IPXA2024092892502.md): Stringer · cracked · Aug 28, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, FWD SIDE OF STA 2360 S-7R. (REPAIR). ACCOMPLISHED REPAIR I.A.W UPS EO-91472-REQ1 REV.1.
- [SDR IPXA2024092893245](https://openairdocs.org/sdr/IPXA2024092893245.md): Stringer · cracked · Aug 28, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, FWD SIDE OF STA 1960, S-11L. (REPAIR). ACCOMPLISHED REPAIR I.A.W UPS EO-91521-REQ1 REV.1 AND SRM 53-60-03-2R-4 REV.43 AND EGAT WORK SHEET NO.40753.
- [SDR IPXA2024093055314](https://openairdocs.org/sdr/IPXA2024093055314.md): Rib · cracked · Aug 28, 2024 · N634UP · Boeing 7478F · Wing, Rib/Bulkhead
  > CRACKED UPPER RIB CHORD, RT WING TE WBL 448.70. ACCOMPLISHED REPAIR PER EO-91263-REQ1 AND EGAT EI F2024A57M-2242, REV. 0 AND 1. OPEN
- [SDR IPXA2024092893135](https://openairdocs.org/sdr/IPXA2024092893135.md): Stringer · cracked · Aug 28, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, AFT SIDE OF STA 1960, S-23R. (REPAIR). ACCOMPLISHED REPAIR I.A.W UPS EO-91520-REQ1 REV.1 AND EGAT WORK SHEET NO.40754, SRM 53-60-03-2R-4 REV.43.
- [SDR IPXA2024092792636](https://openairdocs.org/sdr/IPXA2024092792636.md): Stringer · cracked · Aug 28, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, AFT SIDE OF STA 1960, S-13R. (REPAIR). ACCOMPLISHED REPAIR I.A.W UPS EO-91468-REQ1 REV1.
- [SDR IPXA2024092792583](https://openairdocs.org/sdr/IPXA2024092792583.md): Stringer · cracked · Aug 28, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, AFT SIDE OF STA 1960, S-16R. (REPAIR). ACCOMPLISHED REPAIR I.A.W UPS EO-91488-REQ1.
- [SDR IPXA2024092792658](https://openairdocs.org/sdr/IPXA2024092792658.md): Stringer · cracked · Aug 28, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, FWD SIDE OF STA 1960, S-13R. (REPAIR). ACCOMPLISHED REPAIR I.A.W UPS EO-91468-REQ1 REV1.
- [SDR IPXA2024092792404](https://openairdocs.org/sdr/IPXA2024092792404.md): Stringer · cracked · Aug 28, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, FWD SIDE AND AFT SIDE OF STA 2180, S-13L. (REPAIR) ACCOMPLISHED REPAIR I.A.W UPS EO-91491-REQ1 REV.1.
- [SDR IPXA2024092793166](https://openairdocs.org/sdr/IPXA2024092793166.md): Stringer · cracked · Aug 28, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, FWD SIDE OF STA 1960, S-24R. (REPAIR). ACCOMPLISHED REPAIR I.A.W UPS EO-91489-REQ1 REV.1.
- [SDR IPXA2024092792610](https://openairdocs.org/sdr/IPXA2024092792610.md): Stringer · cracked · Aug 28, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, FWD SIDE OF STA 1960 S-16R. (REPAIR). ACCOMPLISHED REPAIR I.A.W UPS EO-91488-REQ1 REV.1.
- [SDR IPXA2024092793211](https://openairdocs.org/sdr/IPXA2024092793211.md): Stringer · cracked · Aug 28, 2024 · N634UP · Boeing 7478F · Fuselage Main, Longeron/Stringer
  > STRINGER CRACK, AFT SIDE OF STA 1960, S-24R. (REPAIR). ACCOMPLISHED REPAIR I.A.W UPS EO-91489-REQ1 REV.1.

Next page: https://openairdocs.org/aircraft/N634UP/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 = 'N634UP' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N634UP/reports

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