# Service difficulty reports: N729CA

A list on [N729CA](https://openairdocs.org/aircraft/N729CA.md).

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

- [SDR U2RA2026071600037](https://openairdocs.org/sdr/U2RA2026071600037.md): Pump · leaking · Jul 12, 2026 · N729CA · Boeing 747412 · Hydraulic Pump (Electric/Engine), Main
  > EICAS -HYD QTY LOW 1- DISPLAYED DURING CRUISE. REPLACED LEAKING NR 1 AIR DRIVEN HYDRAULIC PUMP.
- [SDR U2RA2026042800008](https://openairdocs.org/sdr/U2RA2026042800008.md): Skin · punctured · Apr 23, 2026 · N729CA · Boeing 747412 · Fuselage Main, Plate/Skin
  > PUNCTURED FUSELAGE SKIN BETWEEN BS 2742.64 AND BS 2753.10 AND BETWEEN BL0 AND RBL15.0 - ACCOMPLISHED MAJOR REPAIR.
- [SDR U2RA2026042800009](https://openairdocs.org/sdr/U2RA2026042800009.md): Skin · punctured · Apr 23, 2026 · N729CA · Boeing 747412 · Fuselage Main, Plate/Skin
  > PUNCTURED FUSELAGE SKIN BETWEEN BS 2742.64 AND BS 2753.10 AND BETWEEN LBL 1.57 AND LBL 10.0. ACCOMPLISHED MAJOR REPAIR.
- [SDR U2RA2026022400031](https://openairdocs.org/sdr/U2RA2026022400031.md): Warning Message · false activation · Feb 19, 2026 · N729CA · Boeing 747446 · Fire Detection
  > DURING TAXI, EICAS MESSAGE FIRE APU - APU FIRE BOTTLE DISCHARGED. - UPON INSPECTION, NO EVIDENCE OF FIRE. APU PLACED ON A DEFERRED MAINTENANCE ITEM PER MINIMUM EQUIPMENT LIST 49-11-01-01.
- [SDR U2RA2025122900026](https://openairdocs.org/sdr/U2RA2025122900026.md): Generator · failed · Dec 12, 2025 · N729CA · Boeing 747412 · AC Generator-Alternator
  > DURING CREW PREFLIGHT CHECKS (AIRCRAFT DOORS OPEN), APU FIRE AND APU AUTOSHUTDOWN DISPLAYED. - FOUND #1 APU GENERATOR MECHANICAL FAILURE CAUSING FIRE IN APU COMPARTMENT. FIRE CONTAINED TO APU COMPARTMENT AND WAS EXTINGUISHED BY CREW PERFORMING APU FIRE EXTING
- [SDR U2RA2025110300024](https://openairdocs.org/sdr/U2RA2025110300024.md): Skin · damaged · Oct 9, 2025 · N729CA · Boeing 747446 · Fuselage Main, Plate/Skin
  > AIRCRAFT SUSTAINED GROUND DAMAGE TO THE LOWER FUSELAGE SKIN, FORWARD OF THE FORWARD LOWER CARGO DOOR, STA 539.125, BETWEEN STRINGERS S-33R AND S-34R, MEASURING 3.875" LONG AND STA 574.750 BETWEEN STRINGERS S-33R AND S-34R MEASURING 4.875" LONG - ACCOMPLISHED C
- [SDR U2RA2025020600010](https://openairdocs.org/sdr/U2RA2025020600010.md): Rib · cracked · Feb 6, 2025 · N729CA · Boeing 747412 · Wing, Rib/Bulkhead
  > DURING INSPECTION OF DATUM AIRCRAFT PER TASK CARD 57-934-01-01 (NOT AD INSPECTION), CRACKS WERE FOUND ON THE REF. /B/ RIB WEB, REF. /CL RIB UPPER CHORD AND REF. !DI RIB LOWER CHORD OF REF/A/ RHW FIXED TRAILING EDGE RIB INSTL AT WBL 255.692. PLEASE REFER TO FIG
- [SDR U2RA2025020400001](https://openairdocs.org/sdr/U2RA2025020400001.md): Support Bracket · worn · Feb 4, 2025 · N729CA · Boeing 747412 · Fuselage Miscellaneous Structure
  > DURING AIRCRAFT HEAVY CHECK IN XMV, HAECO MAINTENANCE DISCOVERED 1EA EXISTING REPAIR DOUBLER WAS INSTALLED ON REF. /A/ L1 MED FWD FRAME WEB. THE EXISTING DOUBLER WAS FOUND WORN DAMAGE DUE TO INTERFERENCE WITH THE REF. /C/ DOOR CUTOUT FWD FRAME SUPPORT BRACKET.
- [SDR U2RA2025013100011](https://openairdocs.org/sdr/U2RA2025013100011.md): Skin · deformed · Jan 31, 2025 · N729CA · Boeing 747428 · Fuselage Main, Plate/Skin
  > DURNING C CHECK IN HAECO SECTION 41 FUSELAGE SKIN, BETWEEN STA 488 AND STA 520 AND BETWEEN 22L AND STR -257 WAS FOUND WITH BLENDOUT DENT DAMAGE
- [SDR U2RA202502050009](https://openairdocs.org/sdr/U2RA202502050009.md): Skin · damaged · Jan 30, 2025 · N729CA · Boeing 747412 · Fuselage Main, Plate/Skin
  > DURING INSPECTION OF DATUM AIRCRAFT, ON SECTION 41 FUSELAGE SKIN, BETWEEN STA 488 AND STA 520 AND BETWEEN STR-22L AND STR-25L, WAS FOUND WITH BLEND OUT AND DENT DAMAGE.
- [SDR U2RA2025020400003](https://openairdocs.org/sdr/U2RA2025020400003.md): Skin · worn · Jan 2, 2025 · N729CA · Boeing 747412 · Fuselage Main, Plate/Skin
  > DURING INSPECTION OF THE DATUM AIRCRAFT, 2EA CRACKS (BOTH 0.5” LENGTH) WERE FOUND ON FUSELAGE SKIN (P/N: 65B07618 - 261) BETWEEN BSTA 338/BSTA 340 & BETWEEN STR-7L/STR-8L, AT AFT LOWER CORNER OF LHS NO. 3 FLIGHT COMPARTMENT WINDOW.
- [SDR U2RA2025010100013](https://openairdocs.org/sdr/U2RA2025010100013.md): Skin · dented · Jan 1, 2025 · N729CA · Boeing 747428 · Fuselage Main, Plate/Skin
  > DURING AIRCRAFT HEAVY CHECK IN XMV (XIAMEN, CHINA), HAECO MAINTENANCE DISCOVERED (2 EA.) DENTS ON THE SECTION 46 FUSELAGE SKIN. SEE FIGURE 1 FOR DETAILS. THE DAMAGE WAS EVALUATED PER REF /A/ AND FOUND TO BE BEYOND PUBLISHED LIMITS (A/Y <30). THE SKIN IS MADE F
- [SDR U2RA2025020400007](https://openairdocs.org/sdr/U2RA2025020400007.md): Tee Angle · cracked · Jan 1, 2025 · N729CA · Boeing 747412 · Fuselage Miscellaneous Structure
  > LHW REFUEL SERVICE DOOR 2EA SUPPORT ZEES (P/N: 65B12724-2/-3) WERE FOUND CRACKED. THE ORIGINAL MATERIAL OF ZEE (P/N: 65B12724-2/-3) IS PLASTIC GLASS FABRIC REINFORCED EPOXY LAMINATE PER BAC5470. LAMINATIONS PER BMS8-79, CLASS I, TYPE 181.
- [SDR U2RA2025020400008](https://openairdocs.org/sdr/U2RA2025020400008.md): Spar · corroded · Dec 31, 2024 · N729CA · Boeing 747412 · Fuselage Main, Frame
  > CORROSION DAMAGE WAS FOUND ON WING CENTER SECTION REAR SPAR WEB P/N 111U1007-1 AFT SURFACE SAT JETTISON PUMP CUTOUT. DAMAGE WAS BLENDED OUT HOWEVER THE REMOVAL MATERIAL THICKNESS WAS MORE THEN 15%OF ORIGINAL
- [SDR U2RA2025020400006](https://openairdocs.org/sdr/U2RA2025020400006.md): Strap · chafed · Dec 28, 2024 · N729CA · Boeing 747412 · Fuselage Main, Frame
  > DURING INSPECTION OF DATUM AIRCRAFT, CHAFING DAMAGE WAS FOUND ON BSTA 1265 FRAME STRAP PIN 65B15428-604 BETWEEN S-17R/S-18R, AT R3 MED CUTOUT.
- [SDR U2RA2025020400005](https://openairdocs.org/sdr/U2RA2025020400005.md): Panel · chipped · Dec 28, 2024 · N729CA · Boeing 747412 · Wing, Plate/Skin
  > DISCOVERED EDGE DAMAGE TO THE RIGHT WING UPPER FIXED TRAILING EDGE PANEL.. THE DAMAGE WAS EVALUATED PER REF /A/. THE DAMAGE IS REPAIRABLE PER REF /B/ AND REF /C/. THE PANEL IS MADE FROM BMS8-79 CLASS I, TYPE 120, 181, 182, OR 184 PLASTIC GLASS FABRIC REINFORC
- [SDR U2RA2025020400004](https://openairdocs.org/sdr/U2RA2025020400004.md): Panel · cracked · Dec 28, 2024 · N729CA · Boeing 747412 · Wing, Plate/Skin
  > DURING AIRCRAFT HEAVY CHECK IN XMV (XIAMEN, CHINA), HAECO MAINTENANCE DISCOVERED A CRACK IN THE LOWER SURFACE OF THE LEFT-WING MID FLAP COVE PANEL. SEE FIGURE 1 FOR DETAILS. THE DAMAGE WAS EVALUATED PER REF /A/ AND FOUND TO BE BEYOND PUBLISHED LIMITS. THE DAMA
- [SDR U2RA2024110400065](https://openairdocs.org/sdr/U2RA2024110400065.md): Skin · damaged · Oct 29, 2024 · N729CA · Boeing 747412 · Nacelle/Pylon, Plate/Skin
  > "DURING A-CHECK INSPECTION, IT WAS DISCOVERED THAT THE SKIN, LOCATED ON THE OUTBOARD ENGINE CORE COWL OF ENGINE 3 HAD A A MISSING PIECE OF OUTER LAYER MATERIAL NEAR THE LOWER-FORWARD CORNER. A REPAIR WAS EMBODIED AND CLASSIFIED AS ""MAJOR"" VIA FVCI EO 24193-3
- [SDR U2RA2024110400064](https://openairdocs.org/sdr/U2RA2024110400064.md): Skin · gouged · Oct 29, 2024 · N729CA · Boeing 747412 · Nacelle/Pylon, Plate/Skin
  > "DURING A-CHECK INSPECTION, IT WAS DISCOVERED THAT THE SKIN, LOCATED ON THE OUTBOARD ENGINE CORE COWL OF ENGINE 2 HAD A DEEP GOUGE NEAR THE OIL ACCESS PANEL. A REPAIR WAS EMBODIED AND CLASSIFIED AS ""MAJOR"" VIA FVCI EO 24193-2. REF NAL M-8A 63130-44."
- [SDR U2RA2024110400063](https://openairdocs.org/sdr/U2RA2024110400063.md): Seal · damaged · Oct 29, 2024 · N729CA · Boeing 747412 · Engine (Turbine/Turboprop)
  > "DURING A-CHECK INSPECTION, IT WAS DISCOVERED THAT THE AFT SEAL, LOCATED ON THE OUTBOARD ENGINE CORE COWL OF ENGINE 1 HAD A MISSING PORTION NEAR THE LOWER CORNER. A REPAIR WAS EMBODIED AND CLASSIFIED AS ""MAJOR"" VIA FVCI EO 24193-1. REF NAL M-8A 63130-12."
- [SDR U2RA(20240807)014](https://openairdocs.org/sdr/U2RA(20240807)014.md): Fire Warning · false activation · Aug 4, 2024 · N729CA · Boeing 747412F · Fire Protection System
  > MOMENTARY (LESS THAN 5 SECONDS) MAIN DECK FIRE WARNING DURING CRUISE FL 410 PERFORMED OPS CHECK PER AMM 26-14-00 WITH NO FAULTS NOTED
- [SDR U2RA2024080700015](https://openairdocs.org/sdr/U2RA2024080700015.md): Warning Light · no indication · Jul 7, 2024 · N729CA · Boeing 747412F · Central Warning
  > L/H U/D DOOR "BATT OK" LIGHT NOT ILLUMINATED. ITEM DEFFERED PER MEL 52-23-07-01 DISCREPANCY TRASFERRED TO DMI 240012-876 MX ACTION C/W M-4 PLACARD INSTALLED CAT C-FR DUE 08/06/2024
- [SDR U2RA2023061600025](https://openairdocs.org/sdr/U2RA2023061600025.md): Unknown · unknown · Jun 13, 2023 · N729CA · Boeing 747412 · Emergency Lighting
  > UPPER DECK EMERGENCY LIGHT AFT OF RIGHT DOOR INOPERATIVE - DEFERRED PER MINIMUM EQUIPMENT LIST 33-51-01-01.
- [SDR U2RA2023052700024](https://openairdocs.org/sdr/U2RA2023052700024.md): Cartridge · burned · May 27, 2023 · N729CA · Boeing 747412 · Doors
  > DURING REINSTALLATION OF LEFT UPPER DOOR SLIDE PACK TO FACILITATE OTHER SCHEDULED MAINTENANCE, A CHECK OF THE EMERGENCY POWER RESERVOIR, PER AMM 52-23-13-406-045, FAILED (BATTERY OK GREEN LIGHT DID NOT ILLUMINATE). TROUBLESHOOTING FOUND BURN MARKS ON CIRCUIT B
- [SDR U2RA2023052700023](https://openairdocs.org/sdr/U2RA2023052700023.md): Bulb · inoperative · May 27, 2023 · N729CA · Boeing 747412 · Emergency Lighting
  > DURING SCHEDULED A-CHECK MAINTENANCE, OPERATIONAL CHECK OF THE EMERGENCY EXIT LIGHT SYSTEM RESULTED IN FINDING OF INOPERATIVE LIGHT BULB. LIGHT BULB REPLACED IAW AMM 33-51-07 REV. 107, SATIS
- [SDR U2RA2023041100020](https://openairdocs.org/sdr/U2RA2023041100020.md): Unknown · unknown · Apr 12, 2023 · N729CA · Boeing 747412 · Fuel Storage
  > FUEL VENTED OUT OF LEFT WING VENT. WING OVER FILL LIGHT ILLUMINATED. - DEFERRED AUTO REFUELING SYSTEM PER MINIMUM EQUIPMENT LIST 28-21-01-01.
- [SDR U2RA2022122300064](https://openairdocs.org/sdr/U2RA2022122300064.md): Light · inoperative · Dec 22, 2022 · N729CA · Boeing 747412 · Emergency Lighting
  > 2 EACH UPPER DECK EMERGENCY CEILING LIGHTS INOPERATIVE.
- [SDR U2RA2022122300063](https://openairdocs.org/sdr/U2RA2022122300063.md): Sign · inoperative · Dec 22, 2022 · N729CA · Boeing 747412 · Emergency Lighting
  > LEFT UPPER DECK DOOR EXIT SIGNS INOPERATIVE.
- [SDR U2RA2022032200006](https://openairdocs.org/sdr/U2RA2022032200006.md): Bulb · inoperative · Mar 22, 2022 · N729CA · Boeing 747412 · Emergency Lighting
  > EMERGENCY LIGHT FORWARD OF THE UPPER DECK DOOR IS INOPERATIVE. - REPLACED BULB PER B747-400 AMM 33-51-01.
- [SDR U2RA2022021600002](https://openairdocs.org/sdr/U2RA2022021600002.md): None · none · Feb 16, 2022 · N729CA · Boeing 747412 · Engine Exhaust System
  > NUMBER 1 ENGINE OUTBOARD EXHAUST SLEEVE MISSING SECTION OF EXIT LINER AT THE 7 OCLOCK POSITION. - PLACED ON ADMINISTRATIVE CONTROL ITEM IN ACCORDANCE WITH AIRCRAFT MAINTENANCE MANUAL 72-54-01, TO BE REPLACED WITHIN 50 FLIGHT HOURS.
- [SDR U2RA2021102200066](https://openairdocs.org/sdr/U2RA2021102200066.md): None · none · Oct 20, 2021 · N729CA · Boeing 747412 · Emergency Lighting
  > UPPER DECK DOOR BATTERY OK LIGHT IS INOPERATIVE - RECHARGED BATTERY PER AIRCRAFT MAINTENANCE MANUAL 52-23-14.
- [SDR U2RA2021092000053](https://openairdocs.org/sdr/U2RA2021092000053.md): Fire Bottle · discharged · Sep 20, 2021 · N729CA · Boeing 747412 · Extinguishing System
  > DURING TAXI - AIRCRAFT BLOCKING IN, THE APU FIRE WARNING CAME ON. FIRE HANDLE WAS PULLED BUT BOTTLE NOT DISCHARGED. POST EVENT INSPECTION FOUND NO INDICATION OF A FIRE HAVING OCCURRED IN APU COMPARTMENT. ALSO DISCOVERED THAT APU FIRE BOTTLE HAD BEEN DISCHARGE
- [SDR U2RA2021082300050](https://openairdocs.org/sdr/U2RA2021082300050.md): Duct · damaged · Aug 18, 2021 · N729CA · Boeing 747412 · Engine Thrust Reverser
  > REF. HAITEC W/O H1-21-06-00016/16444, NRC #0022, AND FVCI EO #21149-1: DAMAGE DISCOVERED ON THE #4 ENGINE INBOARD THRUST REVERSER INNER DUCT, OUTER ACOUSTIC PANEL AT THE 7 O’CLOCK POSITION. ACCOMPLISHED INTERIM REPAIR (EPOXY RESIN INJECTION) TO DAMAGED AREA
- [SDR U2RA2021061100021](https://openairdocs.org/sdr/U2RA2021061100021.md): Skin · gouged · Jun 10, 2021 · N729CA · Boeing 747412 · Fuselage Main, Plate/Skin
  > FUSELAGE SKIN P/N 65B07657-8 AT BODY STATION 510, BETWEEN STRINGERS S22L AND S23L FOUND TO BE GOUGED. - ACCOMPLISHED INTERIM MAJOR REPAIR IN ACCORDANCE WITH FLIGHT VEHICLES CONSULTING, INC ENGINEERING ORDER CONTROL NUMBER 21103-1 REVISION IR DATED 06/10/2021.
- [SDR U2RA2021043022217](https://openairdocs.org/sdr/U2RA2021043022217.md): Battery Pack · inoperative · Apr 30, 2021 · N729CA · Boeing 747412 · Emergency Lighting
  > UPPER DECK STAIRS EMERGENCY LIGHT BATTERY PACK WILL NOT CHARGE - REPLACED BATTERY PACK PER AIRCRAFT MAINTENANCE MANUAL 33-51-04.
- [SDR U2RA2021043022216](https://openairdocs.org/sdr/U2RA2021043022216.md): Battery Pack · inoperative · Apr 30, 2021 · N729CA · Boeing 747412 · Emergency Lighting
  > LEFT AFT UPPER DECK WINDOW EMERGENCY LIGHT BATTERY PACK WILL NOT CHARGE - REPLACED BATTERY PACK PER AIRCRAFT MAINTENANCE MANUAL 33-51-04.
- [SDR U2RA2021043022215](https://openairdocs.org/sdr/U2RA2021043022215.md): Battery Pack · inoperative · Apr 30, 2021 · N729CA · Boeing 747412 · Emergency Lighting
  > RIGHT UPPER DECK DOOR EMERGENCY LIGHT BATTERY PACK WILL NOT CHARGE - REPLACED BATTERY PACK PER AIRCRAFT MAINTENANCE MANUAL 33-51-04.
- [SDR U2RA2020121600008](https://openairdocs.org/sdr/U2RA2020121600008.md): Fairing · damaged · Mar 21, 2021 · N729CA · Boeing 747412 · Trailing Edge Flaps
  > NR 6 FLAP TRACK FIXED FAIRING P/N 65B15532- 26, S/N UNKNOWN, DAMAGED. ACCOMPLISHED INTERIM EXTERNAL DOUBLER MAJOR REPAIR(S) IN ACCORDANCE WITH FLIGHT VEHICLES CONSULTING, INC ENGINEERING ORDER CONTROL NUMBER 21056-6 REVISION IR DATED 03/20/2021, DATA APPROVED
- [SDR U2RA2021032500006](https://openairdocs.org/sdr/U2RA2021032500006.md): Skin · damaged · Mar 21, 2021 · N729CA · Boeing 747412 · Trailing Edge Flaps
  > REFERENCE NATIONAL AIRLINES AIRCRAFT MAINTENANCE LOG ITEM 45453-1: RIGHT INBOARD AFT FLAP P/N 65B02070-52, S/N 000158; LEADING EDGE SKIN PANELS DAMAGED. ACCOMPLISHED INTERIM EXTERNAL DOUBLER MAJOR REPAIR(S) IN ACCORDANCE WITH FLIGHT VEHICLES CONSULTING, INC
- [SDR U2RA2021032500005](https://openairdocs.org/sdr/U2RA2021032500005.md): Skin · damaged · Mar 21, 2021 · N729CA · Boeing 747412 · Trailing Edge Flaps
  > RIGHT INBOARD MID FLAP P/N 65B02025-86, S/N 000159; LEADING EDGE SKIN PANEL DAMAGED. ACCOMPLISHED INTERIM EXTERNAL DOUBLER MAJOR REPAIR(S) IN ACCORDANCE WITH FLIGHT VEHICLES CONSULTING, INC ENGINEERING ORDER CONTROL NUMBER 21056-3 REVISION IR DATED 03/20/2021
- [SDR U2RA2021032500004](https://openairdocs.org/sdr/U2RA2021032500004.md): Skin · damaged · Mar 21, 2021 · N729CA · Boeing 747412 · Trailing Edge Flaps
  > LEFT INBOARD AFT FLAP P/N 65B02070-103, S/N 0002993; LEADING EDGE SKIN PANEL DAMAGED. ACCOMPLISHED INTERIM EXTERNAL DOUBLER MAJOR REPAIR(S) IN ACCORDANCE WITH FLIGHT VEHICLES CONSULTING, INC ENGINEERING ORDER CONTROL NUMBER 21056-2 REVISION IR DATED 03/20/202
- [SDR U2RA2021032500003](https://openairdocs.org/sdr/U2RA2021032500003.md): Skin · damaged · Mar 21, 2021 · N729CA · Boeing 747412 · Trailing Edge Flaps
  > LEFT INBOARD MID FLAP P/N 65B02025-77, S/N 000269; LEADING EDGE & UPPER SKIN PANELS DAMAGED. ACCOMPLISHED INTERIM EXTERNAL DOUBLER MAJOR REPAIR(S) IN ACCORDANCE WITH FLIGHT VEHICLES CONSULTING, INC ENGINEERING ORDER CONTROL NUMBER 21056-1 REVISION A DATED 03/

## 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 = 'N729CA' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N729CA/reports

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