FABRICATED A NEW BUSHING PER BOEING SOPM 20-43-04 & EA 747-53-40-28-130537. NO FURTHER DEFECTS NOTED.
) - [SDR UIEA2025080401079](https://openairdocs.org/sdr/UIEA2025080401079.md): Trunnion · damaged · Aug 2, 2025 · N471MC · Boeing 747412 · Fuselage, Landing Gear Attach Fittings > LH BODY GEAR WHEEL WELL INBD TRUNNION FITTING FWD AFT & INBD 3 EA MOUNTING BOLT HOLE INNER BORES HAS SCORING(REMOVED SCORING PER EA 747 5340-28-B0538 & SRM 53-40-90-2R REPAIR 1. NO FURTHER DEFECTS NOTED.
) - [SDR UIEA2025080401080](https://openairdocs.org/sdr/UIEA2025080401080.md): Trunnion · damaged · Aug 2, 2025 · N471MC · Boeing 747412 · Fuselage, Landing Gear Attach Fittings > RH BODY GEAR WHEEL WELL TRUNNION FWD MOUNTING BOLT HOLE INNER BORE HAS SCORING(REMOVED SCORING ON THE INNER HOLE PER EA 747 5340-28-B0538 & SRM 53-40-90 REPAIR 2. NO FURTHER DEFECTS NOTED.
) - [SDR UIEA2025080401081](https://openairdocs.org/sdr/UIEA2025080401081.md): Trunnion · damaged · Aug 2, 2025 · N471MC · Boeing 747412 · Fuselage, Landing Gear Attach Fittings > RH BODY GEAR WHEEL WELL INBD TRUNNION OTBD AND AFT MOUNTING BOLT HOLE INNER BORES HAVE SCORING(REMOVED SCORING DAMAGE 2 EA INNER BORES PER EA 747 5340-28-B05301R & SRM 53-40-90 REPAIR 1. NO FURTHER DEFECTS NOTED.
) - [SDR UIEA2025080401082](https://openairdocs.org/sdr/UIEA2025080401082.md): Trunnion · damaged · Aug 2, 2025 · N471MC · Boeing 747412 · Fuselage, Landing Gear Attach Fittings > RH BODY GEAR WHEEL WELL INBD TRUNNION OTBD AND AFT MOUNTING HOLE INNER BORES HAS SCORING(REMOVED SCORING DAMAGE 2 EA INNER BORES PER EA 747 5340-28-B0538 1R & SRM 53-40-90 REPAIR 1. NO FURTHER DEFECTS NOTED.
) - [SDR UIEA2025080401083](https://openairdocs.org/sdr/UIEA2025080401083.md): Trunnion · damaged · Aug 2, 2025 · N471MC · Boeing 747412 · Fuselage, Landing Gear Attach Fittings > LH BODY GEAR TRUNNION FITTING FWD MOUNTING HOLE INNER BORE HAS SCORING(REMOVED SCORING PER EA 747 5340-28-B0438 REV 1 & SRM 53-40-90. NO FURTHER DEFECTS NOTED.
) - [SDR UIEA2025072501022](https://openairdocs.org/sdr/UIEA2025072501022.md): Skin · damaged · Jul 28, 2025 · N471MC · Boeing 747412 · Trailing Edge Flaps > RH INBD FLAP T/E FORE FLAP MIDSECTION UPPER SURFACE HAS A SMALL HOLE 0.250 DIAMETER. ACCOMPLISHED REINFORCING REPAIR ON RH INBD FLAP T/E FORE FLAP UPPER SURFACE PER SRM 51-70-03-0G-0. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025072501024](https://openairdocs.org/sdr/UIEA2025072501024.md): Skin · damaged · Jul 28, 2025 · N471MC · Boeing 747412 · Trailing Edge Flaps > RH INBD FLAP T/E FORE FLAP HAS DAMAGE NEAR THE INBD TOGGLE HOOK L/E LOWER SKIN. ACCOMPLISHED REINFORCING REPAIR ON RH INBD FLAP T/E FORE FLAP PER SRM 51-70-07-0G-0 PARG 5A, 4C, 4E & 4G. NO FURTHER DEFECTS NOTED. - [SDR U2RA2025060500016](https://openairdocs.org/sdr/U2RA2025060500016.md): Fire Detector · false indication · Jun 1, 2025 · N702CA · Boeing 747412 · Fire Detection > IN CRUISE, FIRE MN DK AFT EICAS MESSAGE DISPLAYED INTERMITTANTLY - TROUBLESHOOTING IN PROGRESS - [SDR U2RA2025060200015](https://openairdocs.org/sdr/U2RA2025060200015.md): Smoke Detector · faulted · May 31, 2025 · N702CA · Boeing 747412 · Smoke Detection > FIRE MAIN DECK AFT EICAS MESSAGE DISPLAYED AT THE GATE - REPLACED MULTIPLE MAIN DECK CARGO COMPARTMENT AFT SMOKE DETECTORS. - [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 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 2025FA0000059](https://openairdocs.org/sdr/2025FA0000059.md): Tension Tie · cracked · Jan 3, 2025 · Boeing 747412 · Fuselage Main, Structure > TENSION TIE FRAME HOLES FOUND CRACKED WHILE ACCOMPLISHING ADSI 744530107 - [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 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 2025FA0000058](https://openairdocs.org/sdr/2025FA0000058.md): Shear Tie · cracked · Jan 1, 2025 · Boeing 747412 · Fuselage Internal Mounting Structure > SHEAR TIE WAS FOUND CRACKED DURING ACCOMPLISHMENT OF ADSI 744530259 - [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 U2RA2024120600067](https://openairdocs.org/sdr/U2RA2024120600067.md): Bracket · broken · Nov 28, 2024 · N756CA · Boeing 747412 · Auxiliary Power Unit (APU) Doors > DURING SCHEDULED A-CHECK AT HAECO (NE1Y345K), DURING INSPECTION & SERVICING OF THE APU, THE APU DOOR FIRE SENSOR FORWARD MOUNDING BRACKET WAS FOUND BROKE; REFERENCE HAECO NON-ROUTINE WO.4103802. A REPAIR WAS EMBODIED UNDER FVCI EO 24212-1 REV B. - [SDR UIEA2024103001066](https://openairdocs.org/sdr/UIEA2024103001066.md): Hydraulic Line · damaged · Oct 29, 2024 · N471MC · Boeing 747412 · Hydraulic System, Main > HYD QTY LOW 4 EICAS MESSAGE 90 MINUTES AFTER TAKEOFF. SYS SHOWS COMPLETELY EMPTY WITH GEAR MON STS MSG. CONTACTED CKG (DEP AIRPORT) AND FOUND TIRE DEBRIS ON RUNWAY. CALLED ANC TO ADVISE. CREW PERFORMED ALTERNATE GEAR EXTENSION ON LANDING PER THE QRH PROCEDURE( - [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 UIEA2024102001056](https://openairdocs.org/sdr/UIEA2024102001056.md): Tire · failed · Oct 18, 2024 · N471MC · Boeing 747412 · Tire > #11 MAIN WHEEL ASSY BURST ON TAKEOFF FROM ICN DAMAGING AIRCRAFT. R & R #11 WHEEL ASSY IAW AMM 32-45-01. #12 TIRE BLOWN ON TAXI. R/R WHEEL ASSY PER AMM 32-45-01. PN VERIFIED PER IPC 32-45-03-02. /LP 1795779 M5 & M6: R/R #11 & #12 BRAKE ASSY PER AMM 32 - [SDR UIEA2024092300929](https://openairdocs.org/sdr/UIEA2024092300929.md): Power Supply · no test · Sep 23, 2024 · N471MC · Boeing 747412 · Emergency Lighting > FOUND EMERGENCY LIGHT POWER SUPPLY FUNCTION CHECK FAIL (M5057, M5170, M5056).(
1. IAW AMM 33-51-04-002-009-001 & 33-51-04-402-012-001 REV=110 REPLACED EMERGENCY LIGHT BATTERY AT M5057 7 M5120. 2. IAW AMM 33-51-04-902-001-001 REV. 110 REPLACED EMERGENCY LIGHT - [SDR UIEA2024092300928](https://openairdocs.org/sdr/UIEA2024092300928.md): Bracket · corroded · Sep 23, 2024 · N471MC · Boeing 747412 · Aerodynamic Fairings > CORROSION - BRACKET FWD FUSELAGE LOWER SURFACE WING TO BODY AREA STA 920.(
1. REMOVED CORROSION BRACKETS IAW SRM 51-40-02-0G-0 REV=60. 2. INSTALLED NEW BRACKETS IAW DWG 65B06704 SH2 REV. H, 65B04118 SH2 REV. P AND SRM 51-40-02-0G-0 REV. 60. 3. CONDITION CHEC - [SDR UIEA2024092300927](https://openairdocs.org/sdr/UIEA2024092300927.md): Support Beam · corroded · Sep 23, 2024 · N471MC · Boeing 747412 · Wing Miscellaneous Structure > CORROSION DAMAGES ON THE UPPER CHORD OF LH WING FIXED TRAILING EDGE RIB AT ILES 994.50.(
1. REMOVED THE AFFECTED FASTENERS IAW SRM 51-40-02-0G-0 REV=60. 2. BLEND OUT THE DAMAGE AREA IAW SRM 51-10-02-0G-0 REV=60. 3. PFM NDT INSP REFER TO JOB CARD ATTACHING SH - [SDR UIEA2024092300926](https://openairdocs.org/sdr/UIEA2024092300926.md): Support Beam · corroded · Sep 23, 2024 · N471MC · Boeing 747412 · Wing Miscellaneous Structure > CORROSION DAMAGES ON THE UPPER CHORD OF LH WING FIXED TRAILING EDGE SUPPORT BEAM AT WBL 304.372.(
1. REMOVED THE AFFECTED FASTENERS IAW SRM 51-40-02-0G-0 REV=60. 2. BLEND OUT THE DAMAGE AREA IAW SRM 51-10-02-0G-0 REV=60. 3. PFM NDT INSP REFER TO JOB CARD ATT Next page: https://openairdocs.org/model/boeing-747-412/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 aircraft_model_key = '747412' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/model/boeing-747-412/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.