EASA Regulations for Boeing 747

80 airworthiness directives and regulations affecting Boeing 747.

EASA AD US-2021-14-10

Jul 27, 2021

Equipment / Furnishings - Forward Cargo Compartment Insulation Blankets - Inspection

The Federal Aviation Administration (FAA) Airworthiness Directive 2021-14-10 is a final rule addressing certain Boeing 747-400, 747-400D, and 747-400F series airplanes. It mandates inspections of the forward cargo compartment insulation blankets for degraded Boeing Material Specification (BMS) 8-39 urethane foam, which has diminished fire-retardant properties with age. The directive requires replacement of exposed or compromised foam and seals to maintain fire safety standards.

Airworthiness Directive
  • Boeing 747400400D400F

EASA AD 2021-0138

Jun 9, 2021

Time Limits / Maintenance Checks — Damage Tolerance of Fatigue Critical Structure — Implementation

EASA Airworthiness Directive 2021-0138 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Boeing 747-400F aeroplanes equipped with EASA Supplemental Type Certificate 10068342. It mandates updated maintenance checks and time limits related to the damage tolerance of fatigue critical structures following the installation of a dual non-activated GNSS unit and antenna. The directive ensures continued airworthiness by requiring compliance with revised maintenance programs and instructions.

Airworthiness Directive
  • Boeing 747400F

EASA AD 2021-0135

Jun 2, 2021

Oxygen — Low-Pressure Oxygen Flexible Hoses — Replacement

EASA Airworthiness Directive 2021-0135 is an airworthiness directive addressing the replacement of low-pressure oxygen flexible hoses installed on certain Boeing 737-700, 737-800, 747-400, 747-8, 767-400ER, and 777-200 aircraft modified by Lufthansa Technik AG Supplemental Type Certificates. The directive targets conductive oxygen flex-hoses in gaseous passenger oxygen systems that pose a fire risk. It mandates replacing these with non-conductive hoses to ensure continued airworthiness and safety.

Airworthiness Directive
  • Boeing 737700800
  • Boeing 7474008
  • Boeing 767400ER
  • Boeing 777200

EASA AD US-2021-08-04

Apr 26, 2021

Oxygen - Oxygen Mask Stowage Box Unit - Inspection / Replacement

Airworthiness Directive 2021-08-04 is a final rule issued by the Federal Aviation Administration addressing crew oxygen mask stowage box units on certain Boeing airplanes, including Model 737-700, -700C, -800, -900ER, Model 747-400F, and Model 767-200 and -300 series. The directive requires inspections and possible replacement or re-identification of affected oxygen mask stowage box units to prevent potential ignition sources or valve jams. This AD expands the applicability beyond the original scope of AD 2013-07-09 to include additional airplane models.

Airworthiness Directive
  • Boeing 737700700C800900ER
  • Boeing 747400F
  • Boeing 757
  • Boeing 767200300

EASA AD US-2021-07-09

Apr 16, 2021

Superseded by FAA AD 2023-03-15

FAA Airworthiness Directive 2021-07-09 is a final rule superseding AD 2007-07-03 and applies to certain Boeing 747 series airplanes including models 747-100, 747-200, 747-300, 747-400, 747SR, and 747SP. It addresses issues with hot air leaking from trim air diffuser ducts (TADDs), including failures of high temperature composite material TADDs, which can damage the center wing fuel tank and create a fire or explosion risk. The directive mandates repetitive inspections and corrective actions to ensure continued airworthiness.

Airworthiness Directive
  • Boeing 747100200300400
  • Boeing 747SR
  • Boeing 747SP

EASA AD US-2021-06-10

Mar 30, 2021

Fuel - Refuel Valves / Fueling Shut-off Valve - Master Minimum Equipment List Dispatch Limitations

Federal Aviation Administration Airworthiness Directive 2021-06-10 is a final rule addressing all Boeing Model 747 and Model 767 series airplanes. It prohibits operation of these aircraft with any inoperative refuel valve (fueling shut-off valve) that has failed in the open position to prevent un-commanded fuel transfer between fuel tanks. This directive responds to a reported unsafe condition involving fuel transfer that could lead to fuel exhaustion.

Airworthiness Directive
  • Boeing 747
  • Boeing 767

EASA AD US-2021-02-15

Feb 25, 2021

Superseded by FAA AD 2023-18-06

FAA Airworthiness Directive 2021-02-15 is a final rule addressing certain Boeing Company Model 747 series airplanes, including 747-100, 747-200, 747-300, 747-400, and 747SR variants. It responds to reports of inboard foreflap departures by mandating inspections, repetitive part replacements, lubrication, and on-condition corrective actions to ensure continued airworthiness and safety.

Airworthiness Directive
  • Boeing 747100200300400
  • Boeing 747SR

EASA AD US-2020-21-16

Dec 14, 2020

Wings - Upper Wing Skin, Strut Lower Spar Fitting, Clevis Lugs at End of the Diagonal Brace and Lower Link Fitting - Repetitive Inspections

The Federal Aviation Administration (FAA) Airworthiness Directive 2020-21-16 addresses all Boeing Model 747 series airplanes, including 747-100 through 747SP variants. This directive mandates repetitive inspections of the upper wing skin at engine nacelle attachment points, as well as inspections of the strut lower spar fitting, diagonal brace clevis lugs, and lower link fitting to detect cracking. The goal is to ensure continued structural integrity of the engine strut and wing box assembly.

Airworthiness Directive
  • Boeing 747

EASA AD US-2020-18-02

Oct 26, 2020

NOT ADOPTED - EASA DECISION ATTACHED

The document titled NOT ADOPTED - EASA DECISION ATTACHED is an EASA decision regarding the FAA Airworthiness Directive 2020-18-02. This FAA AD applies to certain Boeing 747-400, 747-400D, and 747-400F series aircraft and mandates modifications to the fuel quantity indicating system to prevent ignition sources inside the center fuel tank. EASA has decided not to adopt this FAA AD due to insufficient data to justify the required corrective actions.

Agency Decision
  • Boeing 747400400D400F

EASA AD US-2020-17-02

Aug 26, 2020

Engine - Kathon FP 1.5 Biocide in a Fuel Tank or Engine - Removal / Airplane Flight Manual - Revision

The document titled "Engine - Kathon FP 1.5 Biocide in a Fuel Tank or Engine - Removal / Airplane Flight Manual - Revision" is a Federal Aviation Administration (FAA) Airworthiness Directive affecting certain Boeing 747-8, 747-8F, and 787-8, -9, and -10 airplanes equipped with General Electric GEnx-1B and GEnx-2B model engines. It addresses the unsafe condition caused by the presence of Kathon FP 1.5 biocide in fuel tanks or engines, which can lead to engine control malfunctions and thrust anomalies.

Airworthiness Directive
  • Boeing 74788F
  • Boeing 7878910

EASA AD US-2020-15-14

Aug 14, 2020

Fuselage - Longeron Extension Fittings - Inspection

Airworthiness Directive 2020-15-14 is a final rule issued by the Federal Aviation Administration (FAA) addressing certain Boeing 747 series airplanes, including models 747-100, 747-200, 747-300, 747-400, 747-400F, 747SR, and 747SP. This directive mandates repetitive inspections of the fuselage longeron extension fittings for cracking and requires repairs if cracks are found. It applies to airplanes identified in Boeing Service Bulletin 747-53A2860, Revision 3, dated November 11, 2019.

Airworthiness Directive
  • Boeing 747100200300400400F
  • Boeing 747SR
  • Boeing 747SP

EASA AD US-2020-14-02

Jul 21, 2020

[Correction] Fuselage - Bulkhead Structure - Inspection

Correction to Airworthiness Directive 2020-14-02 issued by the Federal Aviation Administration (FAA) affecting all Boeing 747 series airplanes including models 747-100 through 747SP. The directive addresses inspection requirements for the fuselage bulkhead structure at body station 2598 to detect and repair fatigue cracking. This correction fixes previously incorrect AD and amendment numbers published in the original document.

Airworthiness Directive
  • Boeing 747

EASA AD US-2020-07-14

May 4, 2020

Fuel - Bonding Jumpers on the Auxiliary Power Unit Fuel Pump - Replacement, Installation, and Inspection

The Federal Aviation Administration's Airworthiness Directive 2020-07-14 addresses certain Boeing 747 series airplanes, including models 747-100 through 747SP. This directive mandates replacement, installation, and inspection of bonding jumpers on the auxiliary power unit (APU) fuel pump and other related fuel pumps to ensure adequate electrical bonding. The directive aims to correct insufficient bond resistance margins identified in fuel system reviews.

Airworthiness Directive
  • Boeing 747100
  • Boeing 747SP

EASA AD US-2020-08-12

Apr 30, 2020

Fuselage - Left and Right Side Lap Joints of the Fuselage Skin - Inspections / Modification

The Federal Aviation Administration (FAA) Airworthiness Directive 2020-08-12 addresses certain Boeing 747-8 and 747-8F series airplanes. It mandates modifications and repetitive inspections of the left and right side lap joints of the fuselage skin due to the risk of widespread fatigue damage. This directive aims to prevent undetected fatigue cracks that could compromise structural integrity and cause sudden decompression.

Airworthiness Directive
  • Boeing 74788F

EASA AD 2020-0059

Mar 17, 2020

Superseded by EASA AD 2022-0237

EASA Airworthiness Directive 2020-0059 is an airworthiness directive addressing Rolls-Royce Deutschland Ltd & Co KG RB211-524 series engines installed on Boeing 747 and Boeing 767 aircraft. It focuses on the low pressure turbine (LPT) Stage 1 discs with specific part numbers, requiring life reduction and removal from service of affected parts to prevent potential disc failure.

Airworthiness DirectiveSuperseded
  • Rolls-Royce Deutschland Ltd & Co Kg RB211-524
  • Boeing 747
  • Boeing 767

EASA AD US-2020-04-11

Mar 10, 2020

Fuselage - Upper Skin Lap Splice - Inspection

The Federal Register Volume 85, Number 46 Airworthiness Directive 2020-04-11 is a final rule issued by the FAA addressing certain Boeing 747-400 series airplanes. It mandates repetitive low frequency eddy current (LFEC) and high frequency eddy current (HFEC) inspections of the fuselage upper skin lap splice to detect fatigue cracks. The directive includes required on-condition repair actions to maintain structural integrity.

Airworthiness Directive
  • Boeing 747400

EASA AD US-2020-03-20

Feb 18, 2020

Superseded by FAA AD 2025-02-07

FAA Airworthiness Directive 2020-03-20 is a final rule addressing certain Boeing aircraft models including MD-11, MD-11F, 717-200, all 737-8 and 737-9, all 737-600/-700/-700C/-800/-900/-900ER series, certain 747-400 and 747-400F, certain 757 and 767, and all 777 airplanes. This directive requires revising the airplane flight manual to prohibit operations requiring less than 0.3 required navigational performance (RNP) within a specified geographic area for airplanes equipped with a Collins GLU-2100 multi-mode receiver (MMR) with certain software versions. The AD was issued due to reports of loss or degradation of GPS data affecting positional accuracy.

Airworthiness Directive
  • Boeing 717200
  • Boeing 73789600700700C800900900ER
  • Boeing 747400400F
  • Boeing 757
  • Boeing 767
  • Boeing 777
  • Boeing MD-11
  • McDonnell Douglas MD-11
  • McDonnell Douglas MD-11F

EASA AD US-2019-22-02

Dec 16, 2019

Superseded by FAA AD 2025-01-08

FAA Airworthiness Directive 2019-22-02 is a final rule addressing uncommanded fore and aft movement of the Captain's and First Officer's seats on all Boeing 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, 747-8F, and 747-8 series airplanes. The directive mandates repetitive inspections and checks of the horizontal movement system and actuators, detailed inspections for certain airplanes, and applicable corrective actions. It also provides an optional terminating action for certain seat models to resolve the unsafe condition.

Airworthiness Directive
  • Boeing 747200B200C200F300400400D400F8F8

EASA AD US-2019-19-02

Oct 29, 2019

Fuselage - Underwing Longerons - Inspection

Federal Register Volume 84, Number 205 (October 23, 2019) Final Rule titled 'Fuselage - Underwing Longerons - Inspection' is an FAA Airworthiness Directive (AD 2019-19-02) applicable to certain Boeing 747-400 and 747-400F series airplanes. It mandates repetitive inspections of the underwing longerons and adjacent fuselage skins to detect fatigue cracks and requires corrective actions if cracks are found.

Airworthiness Directive
  • Boeing 747400400F

EASA AD US-2019-08-09

May 10, 2019

Nacelles / Pylons - Aft Fairing Vapour Seals / Heatshield Seals and Retainers / Block Seals / Outboard Lateral Restraint Access Panels - Replacement

The Federal Aviation Administration's Airworthiness Directive 2019-08-09 addresses all Boeing 747-8 and 747-8F series airplanes. It mandates replacement of damaged vapor seals, block seals, heatshield seals, seal retainers, and outboard lateral restraint access panels on the outboard pylons between the engine strut and aft fairing. This directive aims to prevent potential flammable fluid leaks that could lead to uncontrolled fires in the engine strut area.

Airworthiness Directive
  • Boeing 74788F