# Boeing 747-4B5F - Type: Aircraft model (FAA registry) - Registry code: 13848BH - Manufacturer (registry): BOEING - Model: 747-4B5F - Aircraft type: Fixed wing multi engine - Category: Airplane - Engines: 4 ยท Turbo-fan - Seats: 490 - Weight class: 20,000 lb and over - Certification: Type certificated - Registered aircraft: 11 - Page: https://openairdocs.org/model/boeing-747-4b5f Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. None matched. ## Registered aircraft (11) - [N445MC](https://openairdocs.org/aircraft/N445MC): [Atlas Air Inc](https://openairdocs.org/faa-owner/ATLAS%20AIR%20INC), [Purchase, NY](https://openairdocs.org/faa-place/NY/Purchase), built 2003, S/N 33515 - [N446MC](https://openairdocs.org/aircraft/N446MC): [Atlas Air Inc](https://openairdocs.org/faa-owner/ATLAS%20AIR%20INC), [Purchase, NY](https://openairdocs.org/faa-place/NY/Purchase), built 2004, S/N 33517 - [N701CK](https://openairdocs.org/aircraft/N701CK): [Kalitta Air LLC](https://openairdocs.org/faa-owner/KALITTA%20AIR%20LLC), [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti), built 2000, S/N 26416 - [N702CK](https://openairdocs.org/aircraft/N702CK): [Kalitta Air LLC](https://openairdocs.org/faa-owner/KALITTA%20AIR%20LLC), [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti), built 2000, S/N 26411 - [N705CK](https://openairdocs.org/aircraft/N705CK): [Kalitta Air LLC](https://openairdocs.org/faa-owner/KALITTA%20AIR%20LLC), [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti), built 2001, S/N 26413 - [N706CK](https://openairdocs.org/aircraft/N706CK): [Kalitta Air LLC](https://openairdocs.org/faa-owner/KALITTA%20AIR%20LLC), [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti), built 2001, S/N 27073 - [N710CK](https://openairdocs.org/aircraft/N710CK): [Kalitta Air LLC](https://openairdocs.org/faa-owner/KALITTA%20AIR%20LLC), [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti), built 1997, S/N 26406 - [N712CK](https://openairdocs.org/aircraft/N712CK): [Kalitta Air LLC](https://openairdocs.org/faa-owner/KALITTA%20AIR%20LLC), [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti), built 2002, S/N 26414 - [N713CK](https://openairdocs.org/aircraft/N713CK): [Kalitta Air LLC](https://openairdocs.org/faa-owner/KALITTA%20AIR%20LLC), [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti), built 2003, S/N 32808 - [N715CK](https://openairdocs.org/aircraft/N715CK): [Kalitta Air LLC](https://openairdocs.org/faa-owner/KALITTA%20AIR%20LLC), [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti), built 2002, S/N 32809 - [N716CK](https://openairdocs.org/aircraft/N716CK): [Kalitta Air LLC](https://openairdocs.org/faa-owner/KALITTA%20AIR%20LLC), [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti), built 1998, S/N 26408 ## NTSB investigations (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB DCA22LA038](https://openairdocs.org/ntsb/DCA22LA038), Nov 29, 2021: Boeing 747-4B5F (N705CK), Miami, FL, substantial damage. Probable cause: Incorrect lubrication of the foreflap fitting assembly. ## FAA accident and incident reports None matched to aircraft with this model. ## Service difficulty reports (664, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR KCSA2026101361](https://openairdocs.org/sdr/KCSA2026101361), Oct 13, 2026: DOOR. NO DISCREPANCY. DOOR F/D OVHD. INSPECTED AND OPS CHECK F/D OVHD DOOR IAW AMM 52-21-00. OPS CHECK GOOD, NO DEFECTS NOTED. - [SDR KCSA202609291222](https://openairdocs.org/sdr/KCSA202609291222), Sep 29, 2026: SUPPORT. DAMAGED. CENTER HINGE LWR SUPPORT CHORD DAMAGED ON LEFT SIDE NLG - [SDR KCSA202609291221](https://openairdocs.org/sdr/KCSA202609291221), Sep 29, 2026: SUPPORT. DAMAGED. FWD HINGE LWR SUPPORT CHORD DAMAGED ON LEFT SIDE NLG - [SDR KCSA2026092757](https://openairdocs.org/sdr/KCSA2026092757), Sep 27, 2026: BEARING. FAULTED. FLAPS DRIVE EICAS QRH. R & R TORQUE TUBE SUPPORT BEARING ASSY ON RT WING BETWEEN WS 128.45-515 IAW AMM 27-51-20. OPS CHECK IAW AMM 27-51-00. OPS CHECK GOOD NO D - [SDR KCSA2026092755](https://openairdocs.org/sdr/KCSA2026092755), Sep 27, 2026: WARNING MESSAGE. FALSE ACTIVATION. DOOR F/D OVHD ADVISORY. PERFORMED OPS CHECK FOR CREW COMPARTMENT OVERHEAD HATCH IAW AMM 52-21-00. OPS CHECK GOOD. NO DEFECTS NOTED. - [SDR KCSA202609091207](https://openairdocs.org/sdr/KCSA202609091207), Sep 9, 2026: WEB. CRACKED. DURING W/O 713028794 SURFACE HFEC INSPECTION AT RT WBL 432.65 FIXED RIB WB, CRACK FOUND. - [SDR KCSA202609091206](https://openairdocs.org/sdr/KCSA202609091206), Sep 9, 2026: SKIN. DAMAGED. FOUND LIGHTNING STRIKE DAMAGES ON THE UPPER FUSELAGE AREA BS 600 S-0 TO S-1L ( 2 SPOTS). - [SDR KCSA202609091205](https://openairdocs.org/sdr/KCSA202609091205), Sep 9, 2026: SKIN. DAMAGED. FOUND A LIGHTNING STRIKE DAMAGE ON THE UPPER FUSELAGE AREA. STA 680 TO 700, S-0 TO S-1R - [SDR KCSA202609091204](https://openairdocs.org/sdr/KCSA202609091204), Sep 9, 2026: FRAME. CRACKED. DURING EO 5312-21-02 OPEN HOLE HFEC INSPECTION, A CRACK SIGNAL INDICATION ON FRAME AT BS 860 RT 3 EA HOLE. - [SDR KCSA202609091203](https://openairdocs.org/sdr/KCSA202609091203), Sep 9, 2026: TENSION TIE. CRACKED. DURING EO 5312-21-02 INSPECTION, A CRACK WAS FOUND IN THE RT 860 TENSION TIE FWD CHANNEL. - [SDR KCSA202609091202](https://openairdocs.org/sdr/KCSA202609091202), Sep 9, 2026: TENSION TIE. CRACKED. DURING OPEN HOLE INSPECTION, EO 5312-21-02, CRACK SIGNAL INDICATION AT L/H STA 860 3 EA FRAME HOLE - [SDR KCSA202609091201](https://openairdocs.org/sdr/KCSA202609091201), Sep 9, 2026: FRAME. CRACKED. DURING OPEN HOLE HFEC INSPECTION, CRACK SIGNAL INDICATIONAT LT BS 840 FRAME AND CHORD 3EA, FWD DOUBLER 1 EA, AFT DOUBLER 1 EA. - [SDR KCSA202609091200](https://openairdocs.org/sdr/KCSA202609091200), Sep 9, 2026: TENSION TIE. CRACKED. DURING EO 5312-21-02 INSPECTION, A CRACK WAS FOUND IN THE LT BS 860 TENSION TIE FWD CHANNEL - [SDR KCSA202609091199](https://openairdocs.org/sdr/KCSA202609091199), Sep 9, 2026: TENSION TIE. CRACKED. DURING EO 5312-21-02 INSPECTION, A CRACK WAS FOUND IN THE LT 840 TENSION TIE FWD CHANNEL. - [SDR KCSA202609091198](https://openairdocs.org/sdr/KCSA202609091198), Sep 9, 2026: TENSION TIE. CRACKED. ONE HOLE CRACK INDICATION FOUND DURING OPEN HOLE HFEC INSPECTION OF THE LT BS 820 AFT CHANNEL. - [SDR KCSA202609091197](https://openairdocs.org/sdr/KCSA202609091197), Sep 9, 2026: TENSION TIE. CRACKED. DURING OPEN HOLE HFEC INSPECTION, CRACK SIGNAL INDICATIONAT LT BS 720 FWD CHANNEL. - [SDR KCSA2026090854](https://openairdocs.org/sdr/KCSA2026090854), Sep 8, 2026: BATTERY. INOPERATIVE. TWO EMERGENCY LIGHTS INOPERATIVE ON CEILING TOWARDS REAR OF CABIN AREA. REMOVED & REPLACED BATTERY POWER SUPPLY, ALL CHECKS GOOD IAW AMM 33-51-04. - [SDR KCSA2026083052](https://openairdocs.org/sdr/KCSA2026083052), Aug 30, 2026: ACTUATOR. DAMAGED. HYD PRESS SYS 1. FOUND NLG DOOR ACTUATOR RAM HOUSING BROKEN. REMOVED & REPLACED NLG DOOR ACTUATOR ASSEMBLY IAW AMM 32-34-14. SERVICED NR 1 HYD SYS. ALL CHECKS G - [SDR KCSA2026083051](https://openairdocs.org/sdr/KCSA2026083051), Aug 30, 2026: SEAL. FAULTED. ADV MSG DOOR F/D OVHD DESCENDING FL300. MEL 52-73-01. CAT C ITEM, DUE 9/10/26, PLACARDS INSTALLED. TRANSFERRED TO DMI #100351457 BY MXC IAW MEL 52-73-01. CAT C - [SDR KCSA2026082650](https://openairdocs.org/sdr/KCSA2026082650), Aug 26, 2026: SCAVENGE TUBE. LEAKING. FUEL IMBALANCE MAIN 2 MAIN 3. MAIN 2 13,000LBS MORE THAN MAIN 3. RAN QRH. PERFORMED M2/M3 FUEL MANIFOLD LEAK TEST IAW B747 FIM 28-20 TASK SUPPORT. M2/M3 FUEL MA - [SDR KCSA2026082549](https://openairdocs.org/sdr/KCSA2026082549), Aug 25, 2026: WARNING MESSAGE. FALSE ACTIVATION. DOOR F/D OVHD. CABIN PRESSURE NORMAL. PERFORMED OPS CHECK IAW AMM 52-21-00. OPS CHECK GOOD. ACFT OK FOR SERVICE. - [SDR KCSA202608191195](https://openairdocs.org/sdr/KCSA202608191195), Aug 19, 2026: LAMP. INOPERATIVE. MAIN ENTRY L1 DOOR FWD EMERGENCY LIGHT INOPERATIVE. - [SDR KCSA202608041105](https://openairdocs.org/sdr/KCSA202608041105), Aug 4, 2026: ANGLE. CRACKED. NR 5 LT OTBD AILERON HINGE FITTING LOWER ANGLE CRACKED AT FWD END. APPROX WS 1310 - [SDR KCSA202608030146](https://openairdocs.org/sdr/KCSA202608030146), Aug 1, 2026: WARNING MESSAGE. ILLUMINATED. DOOR F/D OVHD. CLOSED OVHD F/D DOOR IAW B747 AMM 52-21-00 STATUS CLEARED. - [SDR KCSA2026073045](https://openairdocs.org/sdr/KCSA2026073045), Jul 30, 2026: DOOR. UNLATCHED. DOOR F/D OVHD ADVISORY. FOUND DOOR NOT LATCHED ALL THE WAY. LATCHED IAW B747 FIM 52-71 TASK 828. OPS CHECK GOOD. - [SDR KCSA2026072744](https://openairdocs.org/sdr/KCSA2026072744), Jul 27, 2026: ELEC CONNECTOR. LOOSE. DOOR ENTRY L5 ADVISORY IN FLIGHT ACCOMPLISHED QRH PROCEDURE. PRESSURIZATION NORMAL. TRANSFERRED TO DMI 100338109 IAW KA MEL 52-73-01. CAT C. DUE 8.6.26. M PROCE - [SDR KCSA2026072643](https://openairdocs.org/sdr/KCSA2026072643), Jul 26, 2026: DOOR. NO DISCREPANCY. DOOR ENTRY L5. VERIFIED #5 ENTRY DOOR WARN SWITCH IAW B747-400 AMM 52-11-01. OPS CHECK GOOD. - [SDR KCSA2026071439](https://openairdocs.org/sdr/KCSA2026071439), Jul 14, 2026: WARNING MESSAGE. FALSE ACTIVATION. DOOR F/D OVHD (IN CLIMB). PERFORMED OPERATIONAL CHECK IAW AMM 52-71-00. NO DEFECTS NOTED. - [SDR KCSA2026070938](https://openairdocs.org/sdr/KCSA2026070938), Jul 9, 2026: DOOR. FAULTED. DOOR F/D OVHD. RESET OVHD DOOR IAW AMM 52-21-00. NO FURTHER DEFECTS. - [SDR KCSA2026062335](https://openairdocs.org/sdr/KCSA2026062335), Jun 23, 2026: WARNING MESSAGE. FALSE ACTIVATION. DOOR F/D OVHD. OPENED AND CLOSED OVERHEAD HATCH, VERIFIED LATCHES TO BE OPERATING NORMAL IAW AMM 52-21-00. NO DEFECTS NOTED. - [SDR KCSA20260619733](https://openairdocs.org/sdr/KCSA20260619733), Jun 17, 2026: OIL SYSTEM. LOW. ON DESCENT NOTICED STRONG ODOR OF OIL ON UPPER DECK AND MAIN DECK CREW REPORTED LOW OIL ON ENG 4, INDICATED 4 QUARTS. PERFORMED CONDITIONAL INSPECTION OF #4 ENG - [SDR KCSA2026061532](https://openairdocs.org/sdr/KCSA2026061532), Jun 15, 2026: WARNING MESSAGE. FALSE ACTIVATION. DOOR F/D OVHD ADVISORY MSG AT 24600 LEVEL, PX NORMAL. CYCLED F/D OVHD DOOR IAW AMM 52-00-00. ADVISORY CLEARED. DOOR INDICATING CLOSED. - [SDR KCSA202606041079](https://openairdocs.org/sdr/KCSA202606041079), Jun 4, 2026: RIB. DAMAGED. R/H HORIZONTAL STAB CLOSURE RIB AT STAB BL 421.5 UPPER CHORD HAS EVIDENCE OF LIGHTNING STRIKE AT FASTENER HOLES APPROX 2 AND 4 INCHES AFT OF STAB L/E. - [SDR KCSA202606041078](https://openairdocs.org/sdr/KCSA202606041078), Jun 4, 2026: RIB. DAMAGED. R/H HORIZONTAL STAB CLOSURE RIB AT STAB BL 421.5 HAS EVIDENCE OF LIGHTNING STRIKE ON LOWER CHORD AT FASTENER HOLE APPROX 2 INCHES AFT OF STAB L/E. - [SDR KCSA202606031077](https://openairdocs.org/sdr/KCSA202606031077), Jun 3, 2026: SIGN. INOPERATIVE. FOUND EMERGENCY SIGN OVER THE UPPER DECK CREW SERVICE DOOR TO BE INOP. - [SDR KCSA202606031076](https://openairdocs.org/sdr/KCSA202606031076), Jun 3, 2026: RIB. DAMAGED. INNERMOST RIB IS DAMAGED WHERE LOWER SPRING TUBE OF ACCORDIAN SEAL COMES THROUGH ON THE RT INBD FOREFLAP - [SDR KCSA202606031075](https://openairdocs.org/sdr/KCSA202606031075), Jun 3, 2026: STRINGER. CRACKED. FUSELAGE STRINGER 3AR FOUND TO HAVE 2EA. CRACKED HOLES AT STA 499 - [SDR KCSA202606031074](https://openairdocs.org/sdr/KCSA202606031074), Jun 3, 2026: SKIN. CORRODED. LEFT WING FUEL TANK ACCESS CUTOUT 545BB HAS EVIDENCE OF CORROSION - [SDR KCSA202606031073](https://openairdocs.org/sdr/KCSA202606031073), Jun 3, 2026: SKIN. CORRODED. LEFT WING FUEL TANK ACCESS CUTOUT 544AB HAS EVIDENCE OF CORROSION - [SDR KCSA202606031072](https://openairdocs.org/sdr/KCSA202606031072), Jun 3, 2026: SKIN. CORRODED. LEFT WING FUEL TANK ACCESS CUTOUT 553BB HAS EVIDENCE OF CORROSION - [SDR KCSA202606031071](https://openairdocs.org/sdr/KCSA202606031071), Jun 3, 2026: SKIN. CORRODED. LEFT WING FUEL TANK ACCESS CUTOUT 553EB HAS EVIDENCE OF CORROSION - [SDR KCSA202606031070](https://openairdocs.org/sdr/KCSA202606031070), Jun 3, 2026: SKIN. CORRODED. LEFT WING FUEL TANK ACCESS CUTOUT 552GB HAS EVIDENCE OF CORROSION - [SDR KCSA202606031069](https://openairdocs.org/sdr/KCSA202606031069), Jun 3, 2026: SKIN. CORRODED. LEFT WING FUEL TANK ACCESS CUTOUT 552FB HAS EVIDENCE OF CORROSION - [SDR KCSA202606031068](https://openairdocs.org/sdr/KCSA202606031068), Jun 3, 2026: SKIN. CORRODED. LEFT WING FUEL TANK ACCESS CUTOUT 552EB HAS EVIDENCE OF CORROSION - [SDR KCSA202606031067](https://openairdocs.org/sdr/KCSA202606031067), Jun 3, 2026: SKIN. CORRODED. LEFT WING FUEL TANK ACCESS CUTOUT 552DB HAS EVIDENCE OF CORROSION - [SDR KCSA202606031066](https://openairdocs.org/sdr/KCSA202606031066), Jun 3, 2026: SKIN. CORRODED. LEFT WING FUEL TANK ACCESS CUTOUT 552CB HAS EVIDENCE OF CORROSION - [SDR KCSA202606031065](https://openairdocs.org/sdr/KCSA202606031065), Jun 3, 2026: SKIN. CORRODED. LEFT WING FUEL TANK ACCESS CUTOUT 552BB HAS EVIDENCE OF CORROSION - [SDR KCSA202606031064](https://openairdocs.org/sdr/KCSA202606031064), Jun 3, 2026: SKIN. CORRODED. LEFT WING FUEL TANK ACCESS CUTOUT 552AB HAS EVIDENCE OF CORROSION - [SDR KCSA202606031063](https://openairdocs.org/sdr/KCSA202606031063), Jun 3, 2026: SKIN. CORRODED. LEFT WING FUEL TANK ACCESS CUTOUT 545AB HAS EVIDENCE OF CORROSION - [SDR KCSA202606031062](https://openairdocs.org/sdr/KCSA202606031062), Jun 3, 2026: SKIN. CORRODED. LEFT WING FUEL TANK ACCESS CUTOUT 546BB HAS EVIDENCE OF CORROSION All 664: https://openairdocs.org/model/boeing-747-4b5f/reports.md --- 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.