# Service difficulty reports: N344KD

A list on [N344KD](https://openairdocs.org/aircraft/N344KD.md).

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

- [SDR 9WGA2026101234402](https://openairdocs.org/sdr/9WGA2026101234402.md): Hmu · faulted · Oct 10, 2026 · N344KD · Boeing 747446 · Fuel Controlling System
  > LOG PAGE 251714, ITEM 1, ENGINE #4 LOST THRUST IN CRUISE N1, 32% FUEL FLOW 0.3 ALL ENGINE INDICATIONS WERE NORMAL IN DESCENT AT LOW ENGINE POWER EICAS ENGINE FAIL MSG SHOWED WITH OIL PRESS GETTING LOW PROPTING PRECAUTIONARY SHUTDOWN, AFTER ARRIVAL TO ANC, MAIN
- [SDR 9WGA2026052134401](https://openairdocs.org/sdr/9WGA2026052134401.md): Buss Protection · faulty · May 21, 2026 · N344KD · Boeing 747446 · AC Power Distribution System
  > AFTER TAKE-OFF FROM NRT, INDICATION, AC BUS 1 FAIL, RETURNED TO NRT, MAINTENANCE PERFORMED PER FIM 24-23 TASK 812, REMOVED AND REPLACED BCU, TESTED EPGS (GCU1) AND EPGS 2 (GCU2) GROUND TEST COMPLIED WITH, TEST PASSED.
- [SDR 9WGA2025102134401](https://openairdocs.org/sdr/9WGA2025102134401.md): Circuit Card · dirty · Oct 22, 2025 · N344KD · Boeing 747446 · Fire Detection
  > CONTINOUS MASTER WARNING FIRE MAIN DECK FWD INFLIGHT, TROUBLESHOT PER FIM 26-16, TASK 864, CLEAN CIRCUIT CARD PER AMM 26-10-01, FIRE SYSTEM TEST, AMM 26-11-00, PASS NO FAULTS.
- [SDR 9WGA202508250203](https://openairdocs.org/sdr/9WGA202508250203.md): Manifold · cracked · Aug 23, 2025 · N344KD · Boeing 747446 · Turbine Engine Oil System
  > ENGINE #3 OIL QUANTITY WENT TO ZERO IN CRUISE FOLLOWED QRH FOR ENGINE 3 OIL PRESSURE. ENGINE SHUT DOWN PER QRH. REMOVED AND REPLACED LUBE SCAVENGE PUMP DISCHARGE MANIFOLD PER AMM 79-32-01. LEAK CHECKS GOOD.
- [SDR 9WGA2025041934411](https://openairdocs.org/sdr/9WGA2025041934411.md): Plate · corroded · Apr 19, 2025 · N344KD · Boeing 747446 · Fuselage Miscellaneous Structure
  > RIGHT WING TRAILING EDGE FUSELAGE RUB PLATE FOR TRAILINGEDGEFLAPS HAS MULTIPLE SPOTS OF EXFOLIATION CORROSION VISIBLE. RH RUBPLATE CORROSION REMOVED AND BLENDED IAW SRM 53-40-05-1A-2-5. FASTENER HOLES STOP DRILLED COMPLETE AND DIMPLE WASHERS ADDAED AT REASSEM
- [SDR 9WGA2025021734409](https://openairdocs.org/sdr/9WGA2025021734409.md): Support Fitting · cracked · Feb 15, 2025 · N344KD · Boeing 747446 · Fuselage Miscellaneous Structure
  > R5 DOOR STOP SUPPORT FITTING @ (STA 2231/STR 24) AT THE LOWER FASTENER HOLE HAS A CRACK @ THE 8 O'CLOCK POSITION IN THE THIRD METAL LAYER. REPAIRED FASTENER HOLE AT R5 DOOR STOP SUPPORT FITTING STA. 2231, STR. 24AT 8 O'CLOCK IAW B747-400 EAM 4453-019R2 13 FEB
- [SDR 9WGA20250217010](https://openairdocs.org/sdr/9WGA20250217010.md): Support Fitting · cracked · Feb 15, 2025 · N344KD · Boeing 747446 · Fuselage Miscellaneous Structure
  > L5 DOOR STOP SUPPORT FITTING @ (STA 2231/STR 25) AT THE LOWER FASTENER HOLE HAS A CRACK @ THE 3 O'CLOCK POSITION IN THE FIRST METAL LAYER.
- [SDR 9WGA20250217009](https://openairdocs.org/sdr/9WGA20250217009.md): Support Fitting · cracked · Feb 15, 2025 · N344KD · Boeing 747446 · Fuselage Miscellaneous Structure
  > R5 DOOR STOP SUPPORT FITTING @ (STA 2231/STR24) AT THE LOWER FASTENER HOLE HAS A CRACK @ THE 8 O'CLOCK POSITION IN THE THIRDMETAL LAYER.
- [SDR 9WGA2025021234408](https://openairdocs.org/sdr/9WGA2025021234408.md): Attach Fitting · damaged · Feb 8, 2025 · N344KD · Boeing 747446 · Fuselage, Stabilizer Attach Fittings
  > HORIZONTAL STAB ATTACH FITTING R/H OUTBOARD UPPER TENSION BOLT HOLE HAS EVIDENCE OF CORROSION/CRACK INDICATION, REPAIRED R/H OUTBOARD UPPER TENSION BOLT HOLE IAW B747-400 EAM 4453014 R3. NO DEFECTS NOTED. AIRCRAFT APPROVED FOR RETURN TO SERVICE.
- [SDR 9WGA2025021234407](https://openairdocs.org/sdr/9WGA2025021234407.md): Attach Fitting · damaged · Feb 8, 2025 · N344KD · Boeing 747446 · Fuselage, Stabilizer Attach Fittings
  > HORIZONTAL STAB ATTACH FITTING R/H UPPER MIDDLE OUTBOARD TENSION BOLT HOLE HAS EVIDENCE OF CORROSION/CRACK INDICATION. REPAIRED R/H UPPER MIDDLE OUTBOARD TENSION BOLT HOLE IAW B747-400 EAM 4453014 R3. NO DEFECTS NOTED. AIRCRAFT APPROVED FOR RETURN TO SERVIC
- [SDR 9WGA2025021234406](https://openairdocs.org/sdr/9WGA2025021234406.md): Attach Fitting · corroded · Feb 8, 2025 · N344KD · Boeing 747446 · Fuselage, Stabilizer Attach Fittings
  > HORIZONTAL STABILIZER ATTACH FITTING LEFT HAND LOWER INBD CROSSBOLT HOLE HAS EVIDENCE OF CORROSION.
- [SDR 9WGA2025021234405](https://openairdocs.org/sdr/9WGA2025021234405.md): Case · corroded · Feb 8, 2025 · N344KD · Boeing 747446 · Turbine Engine Air Inlet Section
  > ENG #2 FAN CASE FOUND CORROSION UNDER MID OUTER LINER SEGMENT #3. REMOVED CORROSION AT ENG #2 FAN CASE, UNDER MID OUTER LINER SEGMENT #3. FOUND WITHIN LIMITS IAW B747-400 CF6-80C2 EM GEK 92451 REV 99, 12/01/2024, ESM 72-22-01, MAT. REMOVED 0.002. AIRCRAFT AP
- [SDR 9WGA2025021234404](https://openairdocs.org/sdr/9WGA2025021234404.md): Case · corroded · Feb 8, 2025 · N344KD · Boeing 747446 · Turbine Engine Air Inlet Section
  > ENGINE #3 FAN CASE FOUND SLIGHTLY CORROSION BETWEEN 04:00TO 06:00 O'CLOCK. REMOVED CORRSOION AT ENGINE #3 FAN CASE BTW 0400 TO 0600 O'CLOCK, MATERIAL REMOVED 0.003, IAW CF6-30C2 W/M GEK 924 51 REV. 99, 12/01/2024 CFM 72-22-01. ALODINED AND PRIMED AREA IAW B7
- [SDR 9WGA2025021234403](https://openairdocs.org/sdr/9WGA2025021234403.md): Case · corroded · Feb 8, 2025 · N344KD · Boeing 747446 · Turbine Engine Air Inlet Section
  > ENGINE #4 FAN CASE FOUND SLIGHTLY CORROSION AT 04:00 TO 06:00 O'CLOCK UNDER OGV #40 TO #44. REMOVED LIGHT CORROSION AT ENG #4 FAN CASE AT 04:00 06:00 O'CLOCK MAT. REMOVED 0.002, FOUND WITHIN LIMITS IAW B747-400. CFA-80C2 E/M GEK 92451 REV. 99 12/01/2024, ESM
- [SDR 9WGA2025020534402](https://openairdocs.org/sdr/9WGA2025020534402.md): Fuel Tank · corroded · Feb 5, 2025 · N344KD · Boeing 747446 · Fuel Storage
  > EVIDENCE OF CORROSION STA 1240 LBL 60 LH SIDE CANTED PRESS DECK AREA ON TOP OF THE CENTER FUEL TANK. REMOVED CORROSION AT STATION 1240 LBL 60 L/H CANTED SIDE PRESS DECK AREA TOP OF FUEL TANK IAW B747-400 SRM 51-10-10-02-06-0, ALODINED, PRIMED AREA IAW B747-40
- [SDR 9WGA2025020534401](https://openairdocs.org/sdr/9WGA2025020534401.md): Pressure Deck · corroded · Feb 5, 2025 · N344KD · Boeing 747446 · Fuselage Main, Structure
  > EVIDENCE OF CORROSION STA 1240 ON THE RH CANTED PRESSURE DECK AREA ON THE OUTBOARD WALL. REMOVED CORROSION AT STA 1240 R/H CANTED PRESSURE DECK O/B WALL IAW B747-400 SRM 51-17-02-06-0, ALODINED, PRIMED AND TOP COATED IAW B747-400 SRM 51-20-01-06-0, PRIMED, AM
- [SDR 9WGA20250205037](https://openairdocs.org/sdr/9WGA20250205037.md): Pressure Deck · eroded · Jan 13, 2025 · N344KD · Boeing 747446 · Fuselage Main, Structure
  > EVIDENCE OF CORROSION STA 1240 ON THE RH CANTED PRESSURE DECK AREA ON THE OUTBOARD WALL.
- [SDR 9WGA202412234401](https://openairdocs.org/sdr/9WGA202412234401.md): Engine · surges · Dec 20, 2024 · N344KD · Boeing 747446 · Engine (Turbine/Turboprop)
  > AIR RETURN TO ORD DUE TO ENGINE 1 SURGE, ALL INDICATIONS ABNORMAL. QRH PERFORMED, ENGINE SHUT DOWN. NO EICAS ALERTS OR STATUS MESSAGES.
- [SDR 2024F00269](https://openairdocs.org/sdr/2024F00269.md): Circuit Card · dirty · Nov 5, 2024 · N344KD · Boeing 747446 · Detection System
  > DISCREPANCY: TWO CONSECUTIVE FALSE "FIRE MAIN DECK AFT" AT 1942Z IN CRUISE. CORRECTIVE ACTION: CLEANED AFOLTS CARD YW8A005 PER FIM 2C-16 TASK 877. FIRE SYSTEM TEST PASSED. FIRE SYSTEM GROUND TEST PERFORMED IAW AMM 26-11-00. SYSTEM OK.
- [SDR 9WGA202409300247](https://openairdocs.org/sdr/9WGA202409300247.md): Control Panel · inoperative · Sep 26, 2024 · N344KD · Boeing 747446 · Autopilot System
  > AIR RETURN DUE TO HEADING SWITCH MCP UNRESPONSIVE IN ROLL MODE. REMOVED AND REPLACED MODE CONTROL PANEL IAW AMM 22-11-02. OPS TEST PASSES.
- [SDR 9WGA2024051034401](https://openairdocs.org/sdr/9WGA2024051034401.md): Skin · ground damage · May 10, 2024 · N344KD · Boeing 747446 · Fuselage Main, Plate/Skin
  > DURING WALK AROUND INSPECTION ORD, FOUND DAMAGE TO FUSELAGE SKIN AT BS 200 - 210 BETWEEN S-45L TO S45R, 30-INCH-LONG DENTED, 0.5 INCH DEEP, CAUSED BY GSE EQUIPMENT STRIKING AIRCRAFT. TEMPORARY REPAIR PERFORMED IAW EA 81-2024-083 REV IR, PREPPED FOR SPECIAL FER
- [SDR 9WGA2023082234401](https://openairdocs.org/sdr/9WGA2023082234401.md): Unknown · unknown · Aug 22, 2023 · N344KD · Boeing 747446F · Hydraulic Power System
  > DISCREPANCY: 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.
- [SDR 9WGA2021111534401](https://openairdocs.org/sdr/9WGA2021111534401.md): Warning Message · illuminated · Nov 15, 2021 · N344KD · Boeing 747446F · Fire Detection
  > IN CRUISE FLIGHT, EICAS MSG "FIRE MN DK AFT" APPEARED NUMEROUS TIMES WITH FIRE BELL & WARNING.
- [SDR 9WGA2021110934401](https://openairdocs.org/sdr/9WGA2021110934401.md): None · none · Nov 9, 2021 · N344KD · Boeing 747446F · Fire Detection
  > ATB, MAIN DECK CARGO FIRE WARNING.
- [SDR 9WGA2021062734401](https://openairdocs.org/sdr/9WGA2021062734401.md): Warning Message · false indication · Jun 27, 2021 · N344KD · Boeing 747446 · Detection System
  > MAIN DECK CARGO FORWARD DETECTION LOOP B STATUS MESSAGE. DIVERT TO ICN
- [SDR 9WGA2021060534401](https://openairdocs.org/sdr/9WGA2021060534401.md): A/C Pack · faulted · Jun 5, 2021 · N344KD · Boeing 747446 · Cabin Cooling System
  > PACK 2 - DIVERTED TO SHV UNABLE TO MAINTAIN FL320, CAB ALT 8300 +100 - STABLE AT FL280.
- [SDR 9WGA2021032934401](https://openairdocs.org/sdr/9WGA2021032934401.md): Fire Warning · illuminated · Mar 29, 2021 · N344KD · Boeing 747446 · Fire Detection
  > FIRE MAIN DECK EICAS MESSAGE, CREW AND PASSENGER OXYGEN USED, OVERWEIGHT LANDING 311,600KG.
- [SDR 9WGA2021013134401](https://openairdocs.org/sdr/9WGA2021013134401.md): Flap System · fault message · Jan 31, 2021 · N344KD · Boeing 747446F · Leading Edge Slat Position Indicating System
  > AFTER TAKEOFF WHEN RETRACTING FLAPS FROM 20 TO 10 WE GOT AN EICAS MSG, FLAPS PRIMARY FOLLOWED BY FLAPS DRIVE.
- [SDR 9WGA2020121234401](https://openairdocs.org/sdr/9WGA2020121234401.md): Compressor · stalled · Dec 12, 2020 · N344KD · Boeing 747446F · Engine (Turbine/Turboprop)
  > ENGINE NR 1 HIGH EGT, COMPRESSOR STALL, VIBRATION. RAN ENGINE LIMIT SURGE/STALL CHECKLIST. SHUTDOWN ENGINE AND RETURNED TO SHV.
- [SDR 9WGA2020051534401](https://openairdocs.org/sdr/9WGA2020051534401.md): Warning System · activated · May 14, 2020 · N344KD · Boeing 747446F · Trailing Flap Position Indicating System
  > EICAS ALERT - FLAPS DRIVE
- [SDR 9WGA20200504201](https://openairdocs.org/sdr/9WGA20200504201.md): Unknown · malfunctioned · May 2, 2020 · N344KD · Boeing 747446 · Landing Gear Retraction/Extension System
  > AIR RETURN DUE GEAR WOULD NOT RETRACT, NUMEROUS EICAS MSGS ON MULTIPLE SYSTEMS. SEE PRINTOUT MTC.
- [SDR 9WGA20181129801](https://openairdocs.org/sdr/9WGA20181129801.md): Clamp · detached · Nov 28, 2018 · N344KD · Boeing 747446F · Pneumatic Distribution System
  > EICAS 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.
- [SDR KO0R201601280047](https://openairdocs.org/sdr/KO0R201601280047.md): Light · inoperative · Jan 28, 2016 · N344KD · Boeing 747446 · Emergency Lighting
  > EMERGENCY AISLE LIGHT 610C IS INOPERATIVE.
- [SDR KO0R201601280046](https://openairdocs.org/sdr/KO0R201601280046.md): Light · inoperative · Jan 28, 2016 · N344KD · Boeing 747446 · Emergency Lighting
  > EMERGENCY AISLE LIGHT 742C IS INOPERATIVE.
- [SDR KO0R201601280045](https://openairdocs.org/sdr/KO0R201601280045.md): Light · inoperative · Jan 28, 2016 · N344KD · Boeing 747446 · Emergency Lighting
  > EMERGENCY AISLE LIGHT 675R IS INOPERATIVE.
- [SDR KO0R201601280044](https://openairdocs.org/sdr/KO0R201601280044.md): Light · inoperative · Jan 28, 2016 · N344KD · Boeing 747446 · Emergency Lighting
  > EMERGENCY AISLE LIGHT 715L IS INOPERATIVE.
- [SDR KO0R201601280043](https://openairdocs.org/sdr/KO0R201601280043.md): Light · inoperative · Jan 28, 2016 · N344KD · Boeing 747446 · Emergency Lighting
  > EMERGENCY AISLE SIGN 620C LIGHT IS INOPERATIVE.
- [SDR KO0R201601280042](https://openairdocs.org/sdr/KO0R201601280042.md): Light · inoperative · Jan 28, 2016 · N344KD · Boeing 747446 · Emergency Lighting
  > EMERGENCY AISLE LIGHT 530C IS INOPERATIVE.

## 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 = 'N344KD' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N344KD/reports

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