Boeing 747-446F

Service difficulty reports · 19

Newest first. General aviation reporting is voluntary.

Query with SQL
duckdb -csv -c "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 = '747446F'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR U2RA2026081100048Skin · dentedDURING C-CHECK AT HANGAR, LT WING V/C FLAP NR 1E FOLDING NOSE SKIN WAS FOUND WITH DENT. PERMANENT REPAIR ACCOMPLISHED IAW SRM 57-43-02, REPAIR 2.Jul 15, 2026 · N537CA · Boeing 747446F · Trailing Edge FlapsSDR 9WGA2026062435601Unknown · unknownENGINE 2 SHUTDOWN EICAS, CONTINUOUS CLICKING BEHIND FIRE HANDLE PANEL, LESS THAN 68% NO CLICKING, AFTER LANDING CLICKING CONTINUED, OIL PRESS SNS 2, ENG 2 FUEL SHUTOFF VALVE.Jun 24, 2026 · N356KD · Boeing 747446F · Central WarningSDR U2RA2026071400035Battery Pack · inoperativeBATTERY PACK DID NOT PASS CAPACITY TEST.Jun 23, 2026 · N537CA · Boeing 747446F · Emergency LightingSDR U2RA202508060021Power Supply · no testDURING HEAVY CHECK C AT KSAT FOUND ON UPPER DECK RH DOOR EMERGENCY TEST FAIL (EMERGENCY S W 51541) ,LOW BATTERY VOLTAGE.Aug 6, 2025 · N936CA · Boeing 747446F · Emergency LightingSDR U2RA2024012400002Panel · missingHORIZONTAL STABILIZER FIXED PANEL MISSING UPON LANDING. FABRICATED AND INSTALLED TEMPORARY PANEL PER FLIGHT VEHICLES CONSULTING ENGINEERING ORDER 24013-1 REVISION IR DATED 01/23/2024. DATA APPROVED ON FAA FORM 8110-3 DATED 01/24/2024 BY R. MANASHI DERT 87627Jan 24, 2024 · N537CA · Boeing 747446F · Horizontal Stabilizer, Plate/SkinSDR U2RA2023111100047Unknown · unknownDURING ACCOMPLISHMENT OF BOEING SB 747-53-2721 AT A-CHECK AT HANGAR 901 EDFH, FOUND CHAFING DAMAGE TO SKIN STA 2557.5 - 2598 STR 1-3. ACCOMPLISHED REPAIR IAW SB 747-53-2721 PART 4 AND BOEING MESSAGE NUMBER MUA-MUA-23-0153-07B.Oct 31, 2023 · N537CA · Boeing 747446F · Fuselage Main, Plate/SkinSDR 9WGA2023090235601Hmu · inoperativeDISCREPANCY: ENGINE #2 FAILURE ON SHORT FINAL. CORRECTIVE ACTION: REMOVED AND REPLACED HMU IAW B747 AMM 73-21-14. #2 ENGINE RUN SUCCESSFUL. NO LEAKS NOTED.Sep 2, 2023 · N356KD · Boeing 747446F · Engine Fuel and ControlSDR 9WGA2023082234401Unknown · unknownDISCREPANCY: AIR TURN BACK DUE TO LOSS OF #4 HYDRAULIC FLUID. 50% REDUCTION IN 2 HOURS OF FLIGHT. CORRECTIVE ACTION: UPON ARRIVAL AT GATE ALL FOUR HYD SYSTEMS WERE IN THE GREEN BAND. PERFORMED LEAK CK ON #4 EDP AS PER AMM 29-11-08, NO LEAKS NOTED.Aug 22, 2023 · N344KD · Boeing 747446F · Hydraulic Power SystemSDR 9WGA2023081935601Unknown · unknownDISCREPANCY: DURING HIGH-SPEED PORTION OF TAKEOFF ROLL, ENGINE 1 OVERTEMP. DURING CLIMB ENGINE 2 OVERTEMP. CORRECTIVE ACTION: PERFORMED ENGINE OVERTEMP INSPECTION OF ENGINE 1 & 2 IAW 72-00-00. NO DEFECTS NOTED, ENGINE OK FOR SERVICE.Aug 19, 2023 · N356KD · Boeing 747446F · Engine Temperature Indicating SystemSDR 9WGA2023042935601Unknown · unknownDISCREPANCY: GEAR DISAGREE DURING RETRACTION, NOSE GEAR. CORRECTIVE ACTION: FOUND GEAR PIN INSTALLED ON NLG WITH STREAMER "REMOVE BEFORE FLIGHT" MISSING. REMOVED GEAR PIN IAW B747 AMM 32-00-15.Apr 29, 2023 · Boeing 747446F · Landing Gear Retraction/Extension SystemSDR 9WGA2022020235601Bracket · brokenAIR RETURN BACK TO LAX DUE TO ENGINE 4 SURGE. ENGINE 4 SURGED MULTIPLE TIMES DURING CRUISE, SURGE WAS INTERMITTENT. PERFORMED SURGE CHECKLIST. REMOVED AND REPLACED VSV ACTUATOR LEVER PIVOT BRACKET & BOLT/STUD AS PER AMM 72-36-00. OPS CHECK GOOD.Feb 2, 2022 · N356KD · Boeing 747446F · Engine (Turbine/Turboprop)SDR 9WGA2021111534401Warning Message · illuminatedIN CRUISE FLIGHT, EICAS MSG "FIRE MN DK AFT" APPEARED NUMEROUS TIMES WITH FIRE BELL & WARNING.Nov 15, 2021 · N344KD · Boeing 747446F · Fire DetectionSDR 9WGA2021110934401None · noneATB, MAIN DECK CARGO FIRE WARNING.Nov 9, 2021 · N344KD · Boeing 747446F · Fire DetectionSDR 9WGA2021013134401Flap System · fault messageAFTER TAKEOFF WHEN RETRACTING FLAPS FROM 20 TO 10 WE GOT AN EICAS MSG, FLAPS PRIMARY FOLLOWED BY FLAPS DRIVE.Jan 31, 2021 · N344KD · Boeing 747446F · Leading Edge Slat Position Indicating SystemSDR 9WGA2020121234401Compressor · stalledENGINE NR 1 HIGH EGT, COMPRESSOR STALL, VIBRATION. RAN ENGINE LIMIT SURGE/STALL CHECKLIST. SHUTDOWN ENGINE AND RETURNED TO SHV.Dec 12, 2020 · N344KD · Boeing 747446F · Engine (Turbine/Turboprop)SDR 9WGA2020051534401Warning System · activatedEICAS ALERT - FLAPS DRIVEMay 14, 2020 · N344KD · Boeing 747446F · Trailing Flap Position Indicating SystemSDR MK1Y201904210002Tension Tie · mislocatedTENSION TIES FRAME STA 1160&1200 BETWEEN L/RBL48-L/RBL70 STA 1200-THE DWG REQUIRES 47 FASTENERS HOLES DIA 1/4" ON EACH SIDE BUT 55 HOLES WERE DRILLED. STA 1160-THE DWG REQUIRES 53 FASTENERS HOLES DIA 1/4" ON EACH SIDE BUT 59 HOLES WERE DRILLEDMar 7, 2019 · N356KD · Boeing 747446F · Fuselage Main, StructureSDR 9WGA20181129801Clamp · detachedEICAS MESSAGE AT TOP OF CLIMB "BLD DUCT LEAK (2)". RETURNED TO KORD FOR REPAIRS. FOUND CLAMP BLOWN OFF LEADING EDGE DUCT ON LEFT HAND SIDE.Nov 28, 2018 · N344KD · Boeing 747446F · Pneumatic Distribution SystemSDR KCSA11089Slide · defectiveMAINTENANCE WORKING CREW UPPER DECK DOOR WARNING LIGHT INADVERTENTLY DEPLOYED LT UPPER DECK SLIDE. SLIDE PARTIALLY DEPLOYED. REMOVED AND REPLACED UPPER DECK SLIDE IAW B747-400 MM 25-68-01.Dec 13, 2011 · N744CK · Boeing 747446F · Escape Slide
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