RegNotify

EASA Regulations for Boeing 777

71 airworthiness directives and regulations affecting Boeing 777.

EASA AD US-2022-23-10

Water / Waste - Potable Water System - Deactivation / Modification

Airworthiness Directive 2022-23-10 is a final rule issued by the Federal Aviation Administration affecting all Boeing 777F series airplanes. It addresses unsafe conditions related to the potable water system, specifically water supply line detachment above an electronic equipment cooling filter that can cause water intrusion into the forward electronic equipment bay. This directive requires deactivating the potable water system, installing protective shrouds on water supply and return lines, and performing leak tests to prevent water damage to critical electrical systems.

Jan 3, 2023
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 777Boeing 777F

EASA AD 2022-0225

Engine Fuel & Control — Fuel Pump — Replacement

EASA Airworthiness Directive 2022-0225 is an airworthiness directive addressing Rolls-Royce Deutschland RB211 Trent 800 series engines installed on Boeing 777 aircraft. It mandates replacement of certain Eaton Corporation fuel pumps identified as affected parts due to corrosion and debris issues that can cause engine thrust loss. The directive ensures continued airworthiness by requiring removal and replacement of these fuel pumps to prevent engine in-flight shutdowns.

Nov 21, 2022
Airworthiness DirectiveMaintenanceSafety MgmtRolls-Royce Deutschland Ltd & Co Kg RB211 TRENT 800Boeing 777

EASA AD US-2022-18-11

SUPERSEDED BY FAA AD 2023-17-14

FAA Airworthiness Directive 2022-18-11 is a final rule affecting all Boeing Company Model 777 airplanes, including the 777-200, -200LR, -300, -300ER, and 777F variants. It addresses the discovery of cracks in the front spar lower chord during underwing longeron replacements and mandates repetitive inspections and modifications to critical structural components at station 1035. The directive aims to prevent fuel leaks, fire hazards, and potential structural failures.

Oct 27, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 777

EASA AD US-2022-14-05

[Correction] Flight Controls - Elevators, Rudder, and Rudder Tab - Inspections and Lubrication

The Correction to Airworthiness Directive 2022-14-05 issued by the Federal Aviation Administration (FAA) addresses inspection and lubrication requirements for flight controls including elevators, rudder, and rudder tab on all Boeing 777-200, -200LR, -300, -300ER series airplanes, and certain 777F models. This correction fixes an incorrect freeplay indicator value and adds omitted credit for certain service information related to these inspections and maintenance procedures.

Oct 4, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 777Boeing 777-200Boeing 777-200LRBoeing 777-300Boeing 777-300ERBoeing 777F

EASA SIB SAFO22002

Electronic Flight Bags - Onboard Performance Tool v4.70 for iOS Devices

The Safety Alert for Operators SAFO 22002 addresses issues with Boeing's Onboard Performance Tool (OPT) version 4.70 for iOS devices, used on Boeing airplanes. The document highlights two calculation errors affecting takeoff and landing performance data, which could lead to incorrect runway length information being presented to flight crews. These issues specifically impact the accuracy of landing calculations and intersection takeoff calculations within the OPT software.

Aug 22, 2022
Safety Information BulletinFlight OpsSafety MgmtBoeing 737Boeing 747Boeing 757Boeing 767Boeing 777Boeing 787

EASA AD US-2022-11-05

Wings - Rear Spar Outboard Flap Support Fasteners and Shims - Inspection / Replacement

The Federal Aviation Administration's Airworthiness Directive 2022-11-05 is a final rule addressing certain Boeing Model 777 airplanes. It mandates inspections and replacements related to the rear spar outboard flap support fasteners and shims to prevent loss of fastener retention and potential flap separation. This directive aims to maintain the structural integrity and controllability of affected aircraft.

Jun 22, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 777

EASA SIB AIR-22-09R1

Autopilot Flight Director System: ALT HOLD Engaged on Takeoff

The Special Airworthiness Information Bulletin AIR-22-09R1 is an FAA advisory addressing the potential for the Autopilot Flight Director System (AFDS) altitude hold (ALT) mode to engage erroneously during takeoff on Boeing Model 777-200, -200LR, -300, -300ER, 777F, and Model 787-8, -9, and -10 airplanes. This bulletin informs operators of a known issue where ALT hold mode activation on the ground can lead to improper pitch guidance after liftoff, potentially causing low climb rates or descent warnings. The bulletin provides background, operational details, and references Boeing Multi Operator Messages for corrective procedures.

May 23, 2022
Safety Information BulletinFlight OpsSafety MgmtBoeing 777Boeing 787

EASA AD US-2022-06-07

Fuselage - Forward Outer Chords of the Pivot Bulkhead - Inspection

Airworthiness Directive 2022-06-07 is a final rule issued by the Federal Aviation Administration (FAA) addressing certain Boeing 777-200 and 777-300 series airplanes. It mandates inspections of the forward outer chords of the STA 2370 pivot bulkhead to detect fatigue cracking, including repetitive detailed and high frequency eddy current (HFEC) inspections of the longeron fitting and bulkhead assembly structure. This directive aims to prevent potential failure of the forward outer chord that could lead to loss of horizontal stabilizer control.

Apr 29, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 777Boeing 777-200Boeing 777-300

EASA AD US-2022-07-13

Engine Oil - Air/Oil Heat Exchanger - Inspection / Replacement

The Federal Aviation Administration's Airworthiness Directive 2022-07-13 addresses Pratt & Whitney Division turbofan engines models PW4074, PW4074D, PW4077, PW4077D, PW4084D, PW4090, and PW4090-3. This directive mandates inspection and possible replacement of the air/oil heat exchanger due to corrosion-related leaks that have caused in-flight shutdowns, particularly affecting Boeing 777 aircraft powered by these engines.

Apr 20, 2022
Airworthiness DirectiveMaintenanceSafety MgmtPratt & Whitney PW4070Pratt & Whitney PW4080Pratt & Whitney PW4090Boeing 777

EASA AD US-2022-04-09

SUPERSEDED BY FAA AD 2023-13-11

FAA Airworthiness Directive 2022-04-09 is a final rule addressing certain AVOX System Inc. (formerly Scott Aviation) oxygen cylinder and valve assemblies installed on various transport airplanes, including Boeing 737 Next Generation and 777 series models. The directive targets assemblies with oxygen leakage caused by improper spacing between valve components, which could lead to insufficient oxygen supply or ignition risks during depressurization events.

Mar 4, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737 Next GenerationBoeing 777

EASA AD US-2021-24-12

Fuel / Inert Gas System - Airworthiness Limitations / Critical Design Configuration Control Limitations - Revision

The Fuel / Inert Gas System - Airworthiness Limitations / Critical Design Configuration Control Limitations - Revision is a final rule airworthiness directive issued by the FAA for certain Boeing Company Model 777 airplanes. It addresses updated and more restrictive airworthiness limitations and critical design configuration control limitations related to fuel tank ignition prevention, the engine fuel suction feed system, and the nitrogen generation system. This directive aims to mitigate risks of fuel tank explosions and engine flameouts.

Jan 28, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 777

EASA AD US-2022-03-05

SUPERSEDED BY FAA AD 2023-12-05

FAA Airworthiness Directive 2022-03-05 is a final rule addressing all Boeing Model 747-8F, 747-8 series, and 777 airplanes. It mandates revisions to the airplane flight manual to prohibit dispatch and landing operations at airports affected by 5G C-Band interference, which can disrupt radio altimeter functions critical to flight control systems. This directive aims to mitigate risks from erroneous radio altimeter data caused by interference from wireless broadband operations in the 3.7-3.98 GHz frequency band.

Jan 27, 2022
Airworthiness DirectiveFlight OpsSafety MgmtBoeing 747Boeing 777Boeing 747-8FBoeing 747-8

EASA AD US-2021-19-15

Equipment / Furnishings - Galley Mounted Attendant Seat Fittings - Modification

Airworthiness Directive 2021-19-15 is a final rule issued by the Federal Aviation Administration (FAA) addressing certain Boeing 777-200, -200LR, -300, and -300ER series airplanes. This directive mandates modifications to galley mounted attendant seat fittings to correct non-compliance issues found in some in-service installations. The directive aims to enhance flight attendant safety by ensuring seat fittings can withstand high-G crash conditions.

Jan 10, 2022
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 777Boeing 777-200Boeing 777-200LRBoeing 777-300Boeing 777-300ER

EASA AD 2021-0245

SUPERSEDED BY EASA AD 2022-0225

EASA Airworthiness Directive 2021-0245 is an airworthiness directive addressing Rolls-Royce RB211 Trent 800 series engines installed on Boeing 777 aircraft. It mandates replacement and de-pairing of certain fuel pumps affected by corrosion due to water contamination, which can cause loss of thrust control. The directive aims to ensure continued safe operation of affected engines by prohibiting installation of affected parts and engines.

Nov 10, 2021
Airworthiness DirectiveMaintenanceSafety MgmtRolls-Royce Deutschland Ltd & Co Kg RB211 TRENT 800Boeing 777

EASA AD US-2021-18-09

Fuselage - Sloping Pressure Deck Web Solid Rivets - Inspection

The Federal Aviation Administration's Final Rule titled 'Fuselage - Sloping Pressure Deck Web Solid Rivets - Inspection' is an airworthiness directive (AD 2021-18-09) applicable to all Boeing Model 777 airplanes. It addresses the discovery of solid rivets with missing heads on the sloping pressure deck web, which could compromise structural integrity and hydraulic systems. The directive mandates detailed inspections and corrective actions to ensure continued airworthiness.

Sep 27, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 777

EASA AD US-2021-13-02

Equipment / Furnishings - Insulation Blankets - Installation

Federal Aviation Administration Airworthiness Directive 2021-13-02 is a final rule addressing certain Boeing 777-300ER series airplanes. It mandates installation of an insulation blanket assembly over existing insulation blankets in the aft cargo compartment to prevent leakage of halon and smoke during a fire. This directive aims to enhance fire safety by mitigating potential loss of fire suppressant in the cargo area.

Aug 13, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 777Boeing 777-300ER

EASA AD US-2021-13-10

Wings - Lower Wing Skin - Inspection

Federal Aviation Administration Airworthiness Directive 2021-13-10 is a final rule addressing certain Boeing Company Model 777 airplanes. It mandates repetitive inspections of the lower wing skin fuel tank and dry bay access door cutouts due to fatigue cracking caused by corrosion damage. The directive aims to ensure continued structural integrity and safety of affected aircraft.

Jul 21, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 777

EASA AD 2021-0135

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.

Jun 2, 2021
Airworthiness DirectiveMaintenanceSafety MgmtBoeing 737Boeing 747Boeing 767Boeing 777Boeing 737-700Boeing 737-800Boeing 747-400Boeing 747-8Boeing 767-400ERBoeing 777-200

EASA AD 2021-0133

Communications / Cabin Systems — Removable Display Unit and Display Docking Station Attachment Interface — Operational Restriction / Inspection

EASA Airworthiness Directive 2021-0133 is an airworthiness directive addressing operational restrictions and inspection requirements for removable display units (RDU) and display docking stations (DDS) installed on certain Airbus A330-202, A330-203, A340-313, and Boeing 777-300ER aircraft. The directive targets specific affected parts identified by part numbers and applies to aircraft with Supplemental Type Certificates issued to Société Air France S.A. It aims to ensure continued airworthiness by preventing detachment of RDUs that could cause injury.

May 28, 2021
Airworthiness DirectiveMaintenanceSafety MgmtAirbus A330Airbus A340Boeing 777