# Boeing 747-4B5

- Type: Aircraft model (FAA registry)
- Registry code: 13848BQ
- Manufacturer (registry): BOEING
- Model: 747-4B5
- Aircraft type: Fixed wing multi engine
- Category: Airplane
- Engines: 4 · Turbo-fan
- Seats: 495
- Weight class: 20,000 lb and over
- Certification: Type certificated
- Registered aircraft: 5
- Page: https://openairdocs.org/model/boeing-747-4b5

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 (5)

- [N707CK](https://openairdocs.org/aircraft/N707CK): [Kalitta Air LLC](https://openairdocs.org/faa-owner/KALITTA%20AIR%20LLC), [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti), built 1992, S/N 26395
- [N708CK](https://openairdocs.org/aircraft/N708CK): [Kalitta Air LLC](https://openairdocs.org/faa-owner/KALITTA%20AIR%20LLC), [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti), built 1991, S/N 25275
- [N709CK](https://openairdocs.org/aircraft/N709CK): [Kalitta Air LLC](https://openairdocs.org/faa-owner/KALITTA%20AIR%20LLC), [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti), built 1993, S/N 26396
- [N785CK](https://openairdocs.org/aircraft/N785CK): [Kalitta Air LLC](https://openairdocs.org/faa-owner/KALITTA%20AIR%20LLC), [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti), built 1997, S/N 26404
- [N786CK](https://openairdocs.org/aircraft/N786CK): [Kalitta Air LLC](https://openairdocs.org/faa-owner/KALITTA%20AIR%20LLC), [Ypsilanti, MI](https://openairdocs.org/faa-place/MI/Ypsilanti), built 1998, S/N 26407

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20220629012749I](https://openairdocs.org/incident/20220629012749I), Jun 29, 2022: Boeing 747-4B5 (N707CK), Anchorage, AK, Substantial damage. On 06/29/2022 aircraft [privacy data omitted]was pushed back from vhhh for flight to panc. After departure during the climb as flaps were retracted a heavy…

## Service difficulty reports (241, newest 50)

As reported by operators and repair stations, by the model named in the report.

- [SDR KCSA2026101260](https://openairdocs.org/sdr/KCSA2026101260), Oct 12, 2026: BATTERY. NO TEST. LEFT EMERGENCY DOOR BATTERY TEST FAILED. REPLACED LH EMERGENCY DOOR BATTERY PACK IAW B747-400 AMM 52-23-14. OPS CHECK GOOD. NO DEFECTS NOTED. PLACARDS REMOVED. 
- [SDR KCSA202609221220](https://openairdocs.org/sdr/KCSA202609221220), Sep 22, 2026: BATTERY PACK. INOPERATIVE. BATTERY LIGHT DOES NOT ILLUMINATE FOR L/H FLOOR MOUNTED ESCAPE SLIDE
- [SDR KCSA202609221219](https://openairdocs.org/sdr/KCSA202609221219), Sep 22, 2026: BULB. INOPERATIVE. UPPER DECK EMERGENCY LIGHTS INOP AT APPROX BS 420, 520 AND 620
- [SDR KCSA202609221218](https://openairdocs.org/sdr/KCSA202609221218), Sep 22, 2026: STRINGER. CRACKED. STRINGER 10R AT STA 500 CRACKED
- [SDR KCSA202609221217](https://openairdocs.org/sdr/KCSA202609221217), Sep 22, 2026: STIFFENER. CRACKED. AFT CARGO DOOR FORWARD VENT DOOR FORWARD AND AFT STIFFENERS CRACKED ON LOWER RADIUS
- [SDR KCSA202609221216](https://openairdocs.org/sdr/KCSA202609221216), Sep 22, 2026: FLOORBEAM. CORRODED. RT UPPER DECK FLOOR FRAME UPPER TEE, AT BS 340 CORRODED AT RBL 32.
- [SDR KCSA202609221215](https://openairdocs.org/sdr/KCSA202609221215), Sep 22, 2026: SHEAR WEB. CORRODED. SHEAR WEB ON UPPER DECK FLOOR, BS 340-360, BL 0 HAD CORROSION
- [SDR KCSA202609221214](https://openairdocs.org/sdr/KCSA202609221214), Sep 22, 2026: MOUNT. CRACKED. FORWARD CARGO DOOR FORWARD ROTARY ACTUATOR LIFT LINK ATTACH FITTING MOUNT CRACKED.
- [SDR KCSA202609221213](https://openairdocs.org/sdr/KCSA202609221213), Sep 22, 2026: STRINGER. CRACKED. STRINGER 10L, BS 500 CRACKED.
- [SDR KCSA202609221212](https://openairdocs.org/sdr/KCSA202609221212), Sep 22, 2026: FLOOR SUPPORT. CRACKED. FORWARD CARGO INTERCOSTAL CRACKED, LBL 45.5, BS 827-832.
- [SDR KCSA202609221211](https://openairdocs.org/sdr/KCSA202609221211), Sep 22, 2026: FLOOR SUPPORT. CRACKED. FORWARD CARGO INTERCOSTAL CRACKED, LBL 45.5, BS 504
- [SDR KCSA202609221210](https://openairdocs.org/sdr/KCSA202609221210), Sep 22, 2026: CARGO TRACK. CORRODED. RIGHT AFT CARGO TRACK AT BS 1820, RBL 25 CORRODED AT TWO FASTENER LOCATIONS.
- [SDR KCSA202609221209](https://openairdocs.org/sdr/KCSA202609221209), Sep 22, 2026: ATTACH ANGLE. CRACKED. RIGHT NLG WW SIDEWALL STIFFENER TO VERTICAL BEAM ATTACH ANGLE AT BS 340, WL 170, CRACKED.
- [SDR KCSA202609221208](https://openairdocs.org/sdr/KCSA202609221208), Sep 22, 2026: ATTACH ANGLE. CRACKED. LEFT NLG WW SIDEWALL STIFFENER TO VERTICAL BEAM ATTACH ANGLE AT BS 340, WL 170, CRACKED.
- [SDR KCSA2026051826](https://openairdocs.org/sdr/KCSA2026051826), May 18, 2026: SLIDE. DEPLOYED. 100326532: UPPER DECK LH DOOR SLIDE DEPLOYED. REMOVED AND REPLACED LH DOOR SLIDE IAW B747-400 AMM 25-68-01, TEST NORMAL.
- [SDR KCSA202604201622](https://openairdocs.org/sdr/KCSA202604201622), Apr 16, 2026: ARMING LEVER. BINDING. ARMING LEVER FOR ESCAPE SLIDE HARD TO MOVE TO AUTO/ARM POSITION, DOOR UPPER DECK RT A/T. INSPECTED & LUBED ARMING LEVER MECHANISM & SYS OPS CHK GOOD IAW AMM 52-
- [SDR KCSA202604111030](https://openairdocs.org/sdr/KCSA202604111030), Apr 11, 2026: BATTERY. INOPERATIVE. FO'S EMERGENCY FLASHLIGHT INOP
- [SDR KCSA202604111029](https://openairdocs.org/sdr/KCSA202604111029), Apr 11, 2026: BATTERY. INOPERATIVE. CA'S EMERGENCY FLASHLIGHT INOP.
- [SDR KCSA202603311027](https://openairdocs.org/sdr/KCSA202603311027), Mar 31, 2026: PRESSURE DECK. CRACKED. RIGHT WING GEAR WHEEL WELL CANTED PRESSURE DECK COMPOSITE PANEL HAS EVIDENCE OF A CRACK
- [SDR KCSA202603311026](https://openairdocs.org/sdr/KCSA202603311026), Mar 31, 2026: WEB. CRACKED. L/H HORIZONTAL STAB OTBD CLOSURE RIB WEB CRACKED
- [SDR KCSA202603311025](https://openairdocs.org/sdr/KCSA202603311025), Mar 31, 2026: SUPPORT ANGLE. CRACKED. L/H HORIZONTAL STAB UPPER TIP FAIRING SUPPORT CRACKED APPROX 26 IN. FROM STAB T/E
- [SDR KCSA202603311024](https://openairdocs.org/sdr/KCSA202603311024), Mar 31, 2026: SUPPORT ANGLE. CRACKED. L/H HORIZONTAL STAB LWR TIP FAIRING SUPPORT CRACKED APPROX 38.5 IN. FROM STAB T/E
- [SDR KCSA202603311023](https://openairdocs.org/sdr/KCSA202603311023), Mar 31, 2026: SPAR. CORRODED. CORROSION FOUND EXTERIOR AFT SPAR AT CENTER TANK R/H OVRD/ JETTISON PUMP
- [SDR KCSA202603311022](https://openairdocs.org/sdr/KCSA202603311022), Mar 31, 2026: SUPPORT ANGLE. CRACKED. L/H HORIZONTAL STAB LOWER TIP FAIRING SUPPORT CRACKED APPROX 29.5 IN. FROM STAB T/E
- [SDR KCSA202603311021](https://openairdocs.org/sdr/KCSA202603311021), Mar 31, 2026: BEAM. CORRODED. FOUND EVIDENCE OF CORROSION ON FORWARD (STA. 660-680) CARGO COMPARTMENT LATERAL BEAM ACCESS DOOR.
- [SDR KCSA202603311020](https://openairdocs.org/sdr/KCSA202603311020), Mar 31, 2026: PRESSURE DECK. CRACKED. RIGHT WING GEAR WHEEL WELL CANTED PRESSURE DECK WEB CRACKED AT STA 1238, RBL 75
- [SDR KCSA202603311019](https://openairdocs.org/sdr/KCSA202603311019), Mar 31, 2026: WEB. CRACKED. R/H HORIZONTAL STAB OTBD CLOSURE RIB WEB CRACKED
- [SDR KCSA202603311018](https://openairdocs.org/sdr/KCSA202603311018), Mar 31, 2026: SUPPORT. CRACKED. R/H HORIZONTAL STAB TIP RIB HAS CRACK ON PANEL SUPPORT EDGE LOWER CHORD
- [SDR KCSA202603311017](https://openairdocs.org/sdr/KCSA202603311017), Mar 31, 2026: SUPPORT. CRACKED. R/H HORIZONTAL STAB TIP RIB HAS CRACK ON PANEL SUPPORT EDGE LOWER CHORD
- [SDR KCSA202603311016](https://openairdocs.org/sdr/KCSA202603311016), Mar 31, 2026: SUPPORT. CRACKED. R/H HORIZONTAL STAB TIP RIB HAS CRACK ON PANEL SUPPORT EDGE UPPER CHORD
- [SDR KCSA202603311015](https://openairdocs.org/sdr/KCSA202603311015), Mar 31, 2026: SUPPORT. CRACKED. R/H HORIZONTAL STAB TIP RIB HAS CRACK ON PANEL SUPPORT EDGE UPPER CHORD
- [SDR KCSA202603311014](https://openairdocs.org/sdr/KCSA202603311014), Mar 31, 2026: SUPPORT. CRACKED. RT HORIZONTAL STAB TIP RIB HAS CRACK ON PANEL SUPPORT EDGE LOWER CHORD.
- [SDR KCSA202603311013](https://openairdocs.org/sdr/KCSA202603311013), Mar 31, 2026: FRAME. CRACKED. R2 DOOR INTERIOR STRUCTURE HAS CRACK, LOWER AFT CORNER.
- [SDR KCSA202603311012](https://openairdocs.org/sdr/KCSA202603311012), Mar 31, 2026: FRAME. CRACKED. R4 DOOR STRUCTURE IS CRACKED, LOWER AFT CORNER
- [SDR KCSA2026033017](https://openairdocs.org/sdr/KCSA2026033017), Mar 30, 2026: LIGHT. INOPERATIVE. MULTIPLE SIDEWALL LIGHTS INOP ON MAIN DECK. REMOVED AND REPLACED MULTIPLE SIDEWALL LIGHTS IAW AMM 33-51-00. ALL CHECKS GOOD. NO DEFECTS NOTED.
- [SDR KCSA202601061000](https://openairdocs.org/sdr/KCSA202601061000), Jan 6, 2026: RESERVOIR. LOW PRESSURE. LEFT FWD FLOOR EVACUATION SLIDE RESERVOIR FOUND TO BE NOT WITHIN PRESSURE LIMITS
- [SDR KCSA202511271227](https://openairdocs.org/sdr/KCSA202511271227), Nov 27, 2025: LAMP. INOPERATIVE. ONE LIGHT INOP IN MAIN DECK EMERGENCY LIGHT ASSEMBLY.
- [SDR KCSA202512121245](https://openairdocs.org/sdr/KCSA202512121245), Nov 26, 2025: LAMP. INOPERATIVE. AFT EMERGENCY LIGHT ON L/H UPPER DECK INOP
- [SDR KCSA2025111865](https://openairdocs.org/sdr/KCSA2025111865), Nov 18, 2025: PUMP. FAULTED. 100280839: HYD QTY LOW 1 DEMAND PUMP AND ENGINE PUMP BOTH OFF BEFORE SYS FLUID 0. ACTION TAKEN: REMOVED AND REPLACED #1 EDP HYD 1. IAW B747-400 AMM 29-11-05-004
- [SDR KCSA2025111263](https://openairdocs.org/sdr/KCSA2025111263), Nov 12, 2025: ACTUATOR. UNSERVICEABLE. GEAR DOOR ACTION TAKEN: REMOVED & REPLACED RH BODY LANDING GEAR DOOR ACTUATOR IAW B747-400 AMM 32-33-27. GEAR DOOR REMAINED INOP. SEE SDR SECTION 5. SPECIFIC PA
- [SDR KCSA2025111800263](https://openairdocs.org/sdr/KCSA2025111800263), Nov 12, 2025: ACTUATOR. UNSERVICEABLE. GEAR DOOR, R & R RT BODY LANDING GEAR DOOR ACTUATOR IAW AMM 32-33-27. GEAR DOOR REMAINED INOPERATIVE. R & R BODY GEAR ALT-EXT ACTUATOR ROTARY IAW AMM 32-35-01. 
- [SDR KCSA202509201168](https://openairdocs.org/sdr/KCSA202509201168), Sep 20, 2025: BULB. INOPERATIVE. LADDER EMERGENCY LIGHT INOP
- [SDR KCSA2025080268](https://openairdocs.org/sdr/KCSA2025080268), Aug 2, 2025: ACCESS DOOR. OUT OF ADJUST. UPPER DECK ACCESS DOOR LATCHES WILL NOT LOCK. ADJUSTED AND ALIGNED UPPER DECK ACCESS DOOR LATCHES IAW AMM 20-00-00
- [SDR KCSA202512080268](https://openairdocs.org/sdr/KCSA202512080268), Aug 2, 2025: LATCH. OUT OF ADJUST. UPPER DECK ACCESS DOOR LATCHES WILL NOT LOCK. ADJUSTED AND ALIGNED UPPER DECK ACCESS DOOR LATCHES IAW B747-400 AMM 20-00-00
- [SDR KCSA202507021108](https://openairdocs.org/sdr/KCSA202507021108), Jul 2, 2025: BULKHEAD WEB. CRACKED. L/H BODY LANDING GEAR WHEEL WELL BULKHEAD HAS A CRACK IN WEB AT STA 1480 WL 100 APPROX
- [SDR KCSA202507011107](https://openairdocs.org/sdr/KCSA202507011107), Jul 1, 2025: SIGN. INOPERATIVE. SELF ILLUMINATED EXIT SIGNS FAIL OPS CHECK
- [SDR KCSA202507011106](https://openairdocs.org/sdr/KCSA202507011106), Jul 1, 2025: SEAL DEPRESSOR. CRACKED. R/H UPPER DECK CREW DOOR FWD UPPER CORNER SEAL DEPRESSOR CRACKED
- [SDR KCSA202507011105](https://openairdocs.org/sdr/KCSA202507011105), Jul 1, 2025: SEAL DEPRESSOR. CRACKED. L/H UPPER DECK CREW DOOR FWD UPPER CORNER SEAL DEPRESOR CRACKED
- [SDR KCSA202506261104](https://openairdocs.org/sdr/KCSA202506261104), Jun 26, 2025: INTERCOSTAL. CRACKED. LWR FWD CARGO DOOR AT APPROX BS 580 JUST AFT OF THE FWD LIFT ACTUATOR ON THE DOOR STRUCTURE THE INTERCOSTAL WEB IS CRACKED ABOUT 3" LONG
- [SDR KCSA202506261103](https://openairdocs.org/sdr/KCSA202506261103), Jun 26, 2025: ESCAPE REEL. UNWANTED DEPLOY. FLIGHT DECK EMERGENCY DESCENT DEVICE P/N 379103D-21 S/N 11800 EVIDENCE OF DEPLOYMENT

All 241: https://openairdocs.org/model/boeing-747-4b5/reports.md

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