EASA Regulations for Boeing 747-400

25 airworthiness directives and regulations affecting Boeing 747-400.

EASA AD US-2018-04-07

Wings - Structural Significant Items (SSIs) - Revision of the Maintenance or Inspection Program / Inspection

The Federal Aviation Administration's Airworthiness Directive 2018-04-07 titled 'Wings - Structural Significant Items (SSIs) - Revision of the Maintenance or Inspection Program / Inspection' applies to all Boeing Model 747 series airplanes including 747-100, 747-200, 747-300, 747-400, 747SR, and 747SP variants. This directive addresses fatigue cracking issues identified in aging transport category airplanes by requiring updates to maintenance and inspection programs to include inspections of structural significant items (SSIs).

Mar 12, 2018

Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-100Boeing 747-200Boeing 747-300Boeing 747-400Boeing 747SRBoeing 747SP

EASA AD US-2017-22-10

Equipment / Furnishings - Fastener Assemblies - Replacement

The Federal Aviation Administration's Airworthiness Directive 2017-22-10 addresses certain Boeing Model 747-400, 747-400F, and 747-8F series airplanes. This directive mandates the replacement of fastener assemblies on the crew access ladder handrails due to reported failures. The directive aims to prevent potential serious or fatal injuries resulting from loose fastener assemblies.

Dec 4, 2017

Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-400Boeing 747-400FBoeing 747-8F

EASA SIB NE-13-31

Pratt & Whitney PW4000 Engines — Scavenge Oil Tube Coking and Proper Cleaning at Overhaul

The Special Airworthiness Information Bulletin (SAIB) NE-13-31 issued by the FAA on May 9, 2013, addresses potential scavenge oil tube coking and nozzle blockage in Pratt & Whitney PW4000 series turbofan engines. This issue affects engines installed on aircraft such as the Airbus A300, A310, A330, Boeing 747-400, 767, 777, and McDonnell Douglas MD-11. The bulletin provides guidance on proper cleaning and inspection procedures during engine overhaul to prevent reduced oil flow and possible engine damage.

May 14, 2013

Safety Information BulletinMaintenanceSafety MgmtAirbus A300Airbus A310Airbus A330Boeing 747-400Boeing 767Boeing 777McDonnell Douglas MD-11

EASA SIB 2011-20R1

Rockwell Collins TPR 901 Mode S Transponder - Incorrect —Downlink Aircraft Identification— and Incorrect Operation with Airport Ground Tracking Systems

EASA Safety Information Bulletin SIB No. 2011-20R1 addresses issues with the Rockwell Collins TPR 901 Mode S transponder, Part Number 822-1338-003, installed on various aircraft including Boeing 747-400 series modified under FAA STC ST01202WI-D and its European validation. The bulletin highlights problems with incorrect downlink aircraft identification and improper operation with airport ground tracking systems caused by certain transponder modifications. It provides information on service bulletins and recommended corrective actions to resolve these anomalies.

May 6, 2013

Safety Information BulletinMaintenanceSafety MgmtBoeing 747-400

EASA SIB NM-12-40

Boeing 747-400 Aeroplanes — External Power System Connector

The FAA Special Airworthiness Information Bulletin SAIB: NM-12-40 addresses an airworthiness concern for Boeing 747-400 series airplanes related to the external power system connector. The bulletin highlights issues caused by damage to the safety guide on the external power receptacle, which can lead to incorrect connection and electrical short circuits. This information bulletin provides guidance to operators to prevent damage and potential fire risks associated with ground power connections.

Aug 7, 2012

Safety Information BulletinMaintenanceSafety MgmtBoeing 747-400