# Boeing 747-44AF

- Type: Aircraft model (FAA registry)
- Registry code: 13848B2
- Manufacturer (registry): BOEING
- Model: 747-44AF
- Aircraft type: Fixed wing multi engine
- Category: Airplane
- Engines: 4 · Turbo-fan
- Seats: 2
- Weight class: 20,000 lb and over
- Certification: Type certificated
- Registered aircraft: 7
- Page: https://openairdocs.org/model/boeing-747-44af

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 (7)

- [N570UP](https://openairdocs.org/aircraft/N570UP): [United Parcel Service Co](https://openairdocs.org/faa-owner/UNITED%20PARCEL%20SERVICE%20CO), [Louisville, KY](https://openairdocs.org/faa-place/KY/Louisville), built 2007, S/N 35667
- [N572UP](https://openairdocs.org/aircraft/N572UP): [United Parcel Service Co](https://openairdocs.org/faa-owner/UNITED%20PARCEL%20SERVICE%20CO), [Louisville, KY](https://openairdocs.org/faa-place/KY/Louisville), built 2007, S/N 35669
- [N573UP](https://openairdocs.org/aircraft/N573UP): [United Parcel Service Co](https://openairdocs.org/faa-owner/UNITED%20PARCEL%20SERVICE%20CO), [Louisville, KY](https://openairdocs.org/faa-place/KY/Louisville), built 2008, S/N 35662
- [N574UP](https://openairdocs.org/aircraft/N574UP): [United Parcel Service Co](https://openairdocs.org/faa-owner/UNITED%20PARCEL%20SERVICE%20CO), [Louisville, KY](https://openairdocs.org/faa-place/KY/Louisville), built 2008, S/N 35663
- [N575UP](https://openairdocs.org/aircraft/N575UP): [United Parcel Service Co](https://openairdocs.org/faa-owner/UNITED%20PARCEL%20SERVICE%20CO), [Louisville, KY](https://openairdocs.org/faa-place/KY/Louisville), S/N 35664
- [N576UP](https://openairdocs.org/aircraft/N576UP): [United Parcel Service Co](https://openairdocs.org/faa-owner/UNITED%20PARCEL%20SERVICE%20CO), [Louisville, KY](https://openairdocs.org/faa-place/KY/Louisville), built 2008, S/N 35665
- [N577UP](https://openairdocs.org/aircraft/N577UP): [United Parcel Service Co](https://openairdocs.org/faa-owner/UNITED%20PARCEL%20SERVICE%20CO), [Louisville, KY](https://openairdocs.org/faa-place/KY/Louisville), built 2009, S/N 35666

## NTSB investigations (2)

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 DCA23WA064](https://openairdocs.org/ntsb/DCA23WA064), Nov 11, 2022: Boeing 747-44AF (N573UP), Almaty, Kazakhstan, occurrence
- [NTSB DCA10RA092](https://openairdocs.org/ntsb/DCA10RA092), Sep 3, 2010: Boeing 747-44AF (N571UP), Dubai, United Arab Emirates, destroyed, 2 fatal

## 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.

- [Accident 20100903050449A](https://openairdocs.org/incident/20100903050449A), Sep 3, 2010: Boeing 747-44AF (N571UP), Dubai, Destroyed, 2 fatal. On September 3, 2010, at approximately 1941 local, N571UP, a Boeing 747-400, registered to and operated by united parcel service as a part 121 cargo only…

## Service difficulty reports (1,133, newest 50)

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

- [SDR IPXA2026102391622](https://openairdocs.org/sdr/IPXA2026102391622), Oct 23, 2026: LINE. LOOSE. ATB, ENG 3 OVHT/PRV EICAS MSG AFTER TAKE OFF CHECKLIST PROC. FOLLOWED UP WITH MSG RETURNING AT CRUISE POWER RESULTING IN NO NAI OR T/R ENG 3. FOUND PRV PNEUMATI
- [SDR IPXA2026102389310](https://openairdocs.org/sdr/IPXA2026102389310), Oct 23, 2026: LIFE VEST. TORN. SUPERNUMERARY LIFE VEST EXP TAG TORN. REMOVED AND REPLACED LT OTBD LIFE VEST IAW AMM 25-62-05
- [SDR IPXA2026102153875](https://openairdocs.org/sdr/IPXA2026102153875), Oct 21, 2026: WINDOW. CRACKED. ARRIVAL FOUND L1 WINDOW CRACK.
- [SDR IPXA2026101188731](https://openairdocs.org/sdr/IPXA2026101188731), Oct 10, 2026: BATTERY PACK. INOPERATIVE. FOUND UPPER DECK EMERGENCY LIGHT M4915, L1533, L5733,5767 INOPERATIVE. IAW AMM 33-51-04-002-009-001, 33-51-04-402-012-001, AND 33-51-04-902-001-001 REV.117 AND 
- [SDR IPXA2026093003820](https://openairdocs.org/sdr/IPXA2026093003820), Sep 30, 2026: HANDLE. BINDING. L1 DOOR IS DIFFICULT TO OPEN & CLOSE HANDLE SWINGS VIOLENTLY COULD CAUSE INSURY. LUB THE L1 DOOR HANDLE AS PER B747 AMM 12-21-04 P.301 AND PERFORMED L1 DOOR OPS
- [SDR IPXA2026092951034](https://openairdocs.org/sdr/IPXA2026092951034), Sep 21, 2026: DOOR. DAMAGED. UNKNOWN NOISE & VIBRATION FROM AIRCRAFT ON CLIMBOUT RESULTED IN AIR TURN BACK. FOUND #2 AIR INLET DOOR DAMAGED. INSTALLED NEW INLET DOOR ASSY IAW AMM 21-62-02.
- [SDR IPXA2026092251034](https://openairdocs.org/sdr/IPXA2026092251034), Sep 21, 2026: UNKNOWN. VIBRATION. ATB, UNKNOWN NOISE & VIBRATION FROM AIRCRAFT DURING CLIMBOUT. RESULTED IN AIR TURN BACK.
- [SDR IPXA2026092146237](https://openairdocs.org/sdr/IPXA2026092146237), Sep 21, 2026: LAMP. INOPERATIVE. MAIN CARGO COMPARTMENT ENTRY, EMERGENCY LIGHTS INOP. RELAMPED AND OPS CHKD IAW AMM 33-51-00.
- [SDR IPXA2026081096634](https://openairdocs.org/sdr/IPXA2026081096634), Aug 9, 2026: LIGHT. INOPERATIVE. DOOR 1L, EMERGENCY EXIT SIGN LIGHT INOPERATIVE. C/W AMM33-51-05-962-031, REV. 137, OPC O.K.
- [SDR IPXA2026080575871](https://openairdocs.org/sdr/IPXA2026080575871), Aug 2, 2026: BATTERY. INOPERATIVE. FOUND THE UPPER DECK AISLE EMERGENCY LIGHT INOP. IAW SSM 33-51-01 REV.47 PERFORMED THE UPPER DECK AISLE EMERGENCY LIGHT SYSTEM CHECK , FOUND THE EMERGENCY LIGHT
- [SDR IPXA2026080575748](https://openairdocs.org/sdr/IPXA2026080575748), Aug 2, 2026: BATTERY. INOPERATIVE. FOUND THE UPPER DECK EMERGENCY EXIT SIGN LIGHT INOP. I.A.W SSM 33-51-01 REV.47 PERFORMED THE UPPER DECK EMERGENCY EXIT SIGN LIGHT SYSTEM CHECK , FOUND THE EMERG
- [SDR IPXA2026080375748](https://openairdocs.org/sdr/IPXA2026080375748), Aug 2, 2026: LIGHT. INOPERATIVE. FOUND THE UPPER DECK EMERGENCY EXIT SIGN LIGHT INOP. (REPLACE)
- [SDR IPXA2026080375871](https://openairdocs.org/sdr/IPXA2026080375871), Aug 2, 2026: LIGHT. INOPERATIVE. FOUND THE UPPER DECK AISLE EMERGENCY LIGHT INOPERATIVE. (REPLACE)
- [SDR IPXA2026082710827](https://openairdocs.org/sdr/IPXA2026082710827), Jul 5, 2026: DOUBLER. GROUND DAMAGE. UPON REMOVAL, TAILSTAND CONTACTED STANCHION DOUBLER. ACCOMPLISHED ALL REQUIRED AMT STEPS AND VERIFIED ALL OTHER STEPS HAVE BEEN ACCOMPLISHED PER EO-97949-REQ1. 
- [SDR IPXA2026070878270](https://openairdocs.org/sdr/IPXA2026070878270), Jul 3, 2026: FLAP. CRACKED. FOUND RT WING OUTBD AFT FLAP INBD SIDE BOTTOM SURFACE CRACK. PERFORMED NDT/UT FOR THE REWORKED AREA & PLUS 2 INCHES AROUND HEATED AREA ,PER 747 NDT MANUAL PART 
- [SDR IPXA2026071560216](https://openairdocs.org/sdr/IPXA2026071560216), Jul 2, 2026: SKIN. CRACKED. CRACKED SKIN, NR 4 PYLON R/H FAIRING DOOR L/E AREA. I.A.W.AMM 54-62-03-404-005 REV117 INSTALLED NO.4 PYLON R/H FAIRING DOOR.
- [SDR IPXA2026070759188](https://openairdocs.org/sdr/IPXA2026070759188), Jul 2, 2026: COWLING. DENTED. DENTED SKIN, NR 2 ENG NOSE COWL INLET AT 10 O'CLOCK POSITION. CUT OUT THE DAMAGE AND CLEAN, MEASURE THE CUT OUT ( DIA : 0.5", 12.8" FROM AFT EDGE, 51.7" FROM LW
- [SDR IPXA2026070724623](https://openairdocs.org/sdr/IPXA2026070724623), Jun 30, 2026: SEAL. BROKEN. BROKEN MOLDING SEAL, LT WING NR 11 KRUEGER FLAP INBD SIDE MOLDING. CHECKED OK.
- [SDR IPXA2026070921962](https://openairdocs.org/sdr/IPXA2026070921962), Jun 30, 2026: WEB. CORRODED. CORRODED UPPER DECK FLOOR PNL WEB AT BS 480 - 520, LBL 10 - RBL 40 CORRODED. INSTALLED A NEW WEB IAW SRM 51-40-02-0G, REV 107.
- [SDR IPXA2026070724617](https://openairdocs.org/sdr/IPXA2026070724617), Jun 30, 2026: SEAL. BROKEN. BROKEN MOLDING SEAL, LT WING NR 6 VC FLAP INBD SIDE MOLDING. IAW SRM 57-43-02-2R-5 REV. 107 REFER TO SOPM 20-50-12 REV. 160 PERFORM REPAIR
- [SDR IPXA2026070624604](https://openairdocs.org/sdr/IPXA2026070624604), Jun 30, 2026: SEAL. BROKEN. BROKEN MOLDING SEAL, LT WING NR 3 VC FLAP INBD SIDE, IAW SRM 57-43-02-2R-5 REV. 107 REFER TO SOPM 20-50-12 REV. 160 PERFORM REPAIR.
- [SDR IPXA2026070624589](https://openairdocs.org/sdr/IPXA2026070624589), Jun 30, 2026: SEAL. BROKEN. BROKEN MOLDING SEAL, LT WING NR 2 VC FLAP INBD SIDE. REMOVED THE RAIN EROSION SHIELDS AND CLEANED. APPLY THE SEALANT TO REPAIR AREA.
- [SDR IPXA2026070324858](https://openairdocs.org/sdr/IPXA2026070324858), Jun 30, 2026: SKIN. DAMAGED. ABRADED SKIN, UPPER FACE OF LT WING INBD L/E REFUELING STATION LOWER DOOR, PANEL 521BB, IAW AMM 52-49-09-402-003, REV 116. INSTALLED REFUELING PANEL 521BB. COND
- [SDR IPXA2026070420634](https://openairdocs.org/sdr/IPXA2026070420634), Jun 30, 2026: FAIRING. DEBONDED. DEBONDED PANEL, AFT WING TO BODY FAIRING PANEL 193CL EXTERNAL SURFACE. IAW AMM 20-51-01-912-008 REV.116 INSTALL PANEL 193CL. CONDITION CHECK NORMAL.
- [SDR IPXA2026070524776](https://openairdocs.org/sdr/IPXA2026070524776), Jun 30, 2026: SKIN. CRACKED. CRACKED SKIN, RT WING T/E NEAR INBD AILERON PANEL 673AB. IAW SRM 57-51-01-2R-1 REFER TO SRM 51-70-07-0G-0 REV.107 PERFORM REPAIR AS BELOW STEP: REMOVE THE DAMAG
- [SDR IPXA2026070324807](https://openairdocs.org/sdr/IPXA2026070324807), Jun 30, 2026: SKIN. CRACKED. CRACKED SKIN, RT WING T/E NEAR INBD AILERON 673CB. IAW AMM 20-51-01-912-008 REV. 116 INSTALLED THE ACCESS PANEL 673CB. CONDITION CHECKED NORMAL.
- [SDR IPXA2026070624831](https://openairdocs.org/sdr/IPXA2026070624831), Jun 30, 2026: SKIN. CRACKED. CRACKED SKIN, LOWER FACE OF LT WING INBD L/E REFUELING STATION LOWER DOOR CUTOUT, ILES 845. IAW AMM 52-49-09-402-003, REV. 116. INSTALLED REFUELING PANEL NO. 52
- [SDR IPXA2026063024905](https://openairdocs.org/sdr/IPXA2026063024905), Jun 30, 2026: CRASH AXE. DAMAGED. MAIN DECK CRASH AXE FOUND DAMAGED/CORRODED REINSTALLED CRASH AXE INTO HOLDER ON MAIN CARGO DECK IAW AMM 25-60-00.
- [SDR IPXA2026073009895](https://openairdocs.org/sdr/IPXA2026073009895), Jun 29, 2026: WEB. CRACKED. SURFACE & HOLE CRACK INDICATION , DURING PFM SB 747-57A2357 FND SURFACE & HOLE CRACK . ACCOMPLISHED REPAIR IAW EO-98227-REQ1, REV 1, & EGAT EI F2026A57M-1427, R
- [SDR IPXA2026072111084](https://openairdocs.org/sdr/IPXA2026072111084), Jun 29, 2026: PANEL. DEBONDED. DEBONDED PANEL, VERTICAL STABILIZER LOWER PANEL 322BL. REPAIR DISBOND ON PANEL ASSY OF VST FWD TORQUE BOX BETWEEN STA 2365 AND STA 2413 I.A.W. EGAT EI F2026A55M
- [SDR IPXA2026072111043](https://openairdocs.org/sdr/IPXA2026072111043), Jun 29, 2026: PANEL. DEBONDED. DISBONDED PANEL , VERTICAL STABILIZER LOWER PANEL 322CL. REPAIR DISBOND DAMAGE ON LH FWD LWR VST FORWARD TORQUE BOX PANEL BETWEEN STA 2285 AND 2365 AND BETWEEN 
- [SDR IPXA2026070697892](https://openairdocs.org/sdr/IPXA2026070697892), Jun 28, 2026: SEAL. BROKEN. BROKEN MOLDING SEAL, L/H WING NR 4 VC FLAP INBD SIDE MOLDING. IAW SRM 57-43-02-2R-5, REV 107, REFER TO SOPM 20-50-12 REV 160. PERFORMED A REPAIR, REMOVED THE RA
- [SDR IPXA2026070697902](https://openairdocs.org/sdr/IPXA2026070697902), Jun 28, 2026: SEAL. BROKEN. BROKEN MOLDING SEAL, LT WING NR 5 VC FLAP INBD SIDE. IAW SRM 57-43-02-2R-5, REV 107, REFER TO SOPM 20-50-12, REV 160. PERFORMED A REPAIR, REMOVED THE RAIN EROSI
- [SDR IPXA2026072186856](https://openairdocs.org/sdr/IPXA2026072186856), Jun 27, 2026: SEAL. DAMAGED. FOUND NR 1 ENTRY DOOR LOWER SEAL DAMAGED. IAW AMM 52-09-00-308-001, REV.116. REPLACED NR 1 ENTRY DOOR LOWER SEAL. CONDITION CHECK NORMAL.
- [SDR IPXA2026071085535](https://openairdocs.org/sdr/IPXA2026071085535), Jun 27, 2026: SKIN. BROKEN. CRACKED SKIN, RT WING L/E NR 23 V.C FLAP INBD LWR. ACCOMPLISHED JOB IAW EO-97981-REQ1, REV1 AND EGAT EI F2026A57M-1340. ACCOMPLISHED JOB I.A.W UPS EO-97981-REQ1
- [SDR IPXA2026062986856](https://openairdocs.org/sdr/IPXA2026062986856), Jun 27, 2026: SEAL. DAMAGED. FOUND NO.1 ENTRY DOOR LOWER SEAL DAMAGED
- [SDR IPXA2026061359943](https://openairdocs.org/sdr/IPXA2026061359943), Jun 8, 2026: DUCT. DAMAGED. FOUND R/H WING FUEL VENT DUCT FWD SIDE HAS ENLARGE HOLE. PERFORMED NDT/UT FOR REWORKED AREA PLUS 6'' AROUND HEATED AREA I.A.W 747 NTM PART1 51-01-01 REV:182. FO
- [SDR IPXA2026061160591](https://openairdocs.org/sdr/IPXA2026061160591), Jun 8, 2026: FLOOR PANEL. DAMAGED. FOUND MAIN DECK CARGO FLOOR PANEL DAMAGE. IAW SREO-42648-REQ1, REV 3 FABRICATED A NEW FLOOR PANEL. CONDITION CHECK IS SATISFACTORY. IAW AMM 53-21-02-404-006 REV
- [SDR IPXA2026061021955](https://openairdocs.org/sdr/IPXA2026061021955), Jun 5, 2026: FLOOR PANEL. DAMAGED. MAJOR REPAIR. FOUND MAIN DECK CARGO FLOOR PANEL DAMAGE I.A.W. SREO-42648-REQ1 REV. 3 FABRICATE A NEW FLOOR PANEL. CONDITION CHECK IS SATISFACTORY
- [SDR IPXA2026060698163](https://openairdocs.org/sdr/IPXA2026060698163), Jun 4, 2026: BRACKET. CHAFED. CHAFED BRACKET , NR 4 ENG RT T/R FWD LWR CLOSURE DOOR T/E AREA. IAW SRM 51-40-02-0G REV. 106 AND ST ENGINEERING IPC 78-32-22 REV. 96 INSTALLED NEW BRACKET.
- [SDR IPXA2026060899517](https://openairdocs.org/sdr/IPXA2026060899517), Jun 4, 2026: BRACKET. CHAFED. CHAFED BRACKET , NR 4 ENG L/H T/R FWD LWR CLOSURE DOOR T/E AREA. I.A.W SRM 51-40-02-0G REV. 106 REMOVED DAMAGE BRACKET. I.A.W SRM 51-40-02-0G REV. 106 AND ST EN
- [SDR IPXA2026061583676](https://openairdocs.org/sdr/IPXA2026061583676), Jun 3, 2026: DUCT. DAMAGED. ENLARGE - HOLE , RT WING T/E OUTBD FUEL TANK VENT SCOOP AND DUCT ASSY. I.A.W. 747-400F SRM 57-51-01-2R-1 REFER TO SRM 51-70-17-0G-0 REV.106. REMOVE THE DAMAGED 
- [SDR IPXA2026060878687](https://openairdocs.org/sdr/IPXA2026060878687), Jun 3, 2026: BRACKET. BROKEN. FOUND FUEL LINE TUBE SUPPORT BRACKET BROKEN, ACCESS DOOR : 652DB, AT WS 1056RIB. I.A.W SRM 51-40-02-0G REV. 106 AND BOEING DWG NO: 65B01076 SHEET 5 REV. B INSTA
- [SDR IPXA2026061762754](https://openairdocs.org/sdr/IPXA2026061762754), Jun 2, 2026: ANGLE. BROKEN. LEFT BODY GEAR S/S INBOARD DOOR, DOOR SEAL ANGLE DAMAGE. INSTALLED NEW SEAL GAP IAW SRM 51-40-02-0G REV.106 AND BOEING DWG 65B10920, SH19, REV-.
- [SDR IPXA2026061862990](https://openairdocs.org/sdr/IPXA2026061862990), Jun 2, 2026: BRACKET. CRACKED. FOUND MAIN DECK CREW ACCESS LADDER BRACKET CRACK. REPAIR CRACK AREA IAW EO-97678-REQ1, REV 2.
- [SDR IPXA2026061762524](https://openairdocs.org/sdr/IPXA2026061762524), Jun 2, 2026: STRIP. BROKEN. RIGHT BODY GEAR S/S OUTBOARD DOOR, LOWER SEAL DAMAGE GAP STRIP. REMOVED DAMAGE GAP STRIP I.A.W SRM 51-40-02-0G REV.106. INSTALLED NEW GAP STRIP I.A.W SRM 51-40-
- [SDR IPXA2026061565577](https://openairdocs.org/sdr/IPXA2026061565577), Jun 2, 2026: FITTING. DAMAGED. ENLARGED HOLE, NR 3 ENG RT T/R INNER UPPER POD AREA. REPAIR DAMAGE POD AREA IAW CMM 78-32-02 REPAIR 020 REV 71.
- [SDR IPXA2026061562566](https://openairdocs.org/sdr/IPXA2026061562566), Jun 2, 2026: FITTING. CRACKED. CRACKED BRACKET, LT WING T/E INBD SECTION UPPER FIXED PANEL LOWER SUPPORT AT WBL 255.692, ADJACENT NR 6 SPOILER INBD SIDE. IAW SRM 51-40-02-0G REV 106, AND DWG:
- [SDR IPXA2026061563360](https://openairdocs.org/sdr/IPXA2026061563360), Jun 2, 2026: BRACKET. CRACKED. LEFT BODY GEAR WW, AFT HYD SUPPORT BRACKET CRACKED. IAW SRM 51-40-02-0G, REV 106. REMOVED DAMAGE BRACKET. IAW SRM 51-40-02-0G REV. 106, & DWG:65B80259, SHEET 4,
- [SDR IPXA2026061565907](https://openairdocs.org/sdr/IPXA2026061565907), Jun 2, 2026: SEAL. WORN. RIGHT WING GEAR W/W, FWD CUTOUT FAIRING FWD LOWER SEAL WORN. REVIEWED TASK PER GMM-MTX 09.05.01.09.I.A.W SRM 51-40-02-0G REV. 106 AND DWG:65B10555 SHEET 3 REV.G

All 1,133: https://openairdocs.org/model/boeing-747-44af/reports.md

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