EASA Regulations for Boeing 747SP

8 airworthiness directives and regulations affecting Boeing 747SP.

EASA AD US-2022-23-12

Wings - Center Tank Upper Skin Panels - Inspection

The Federal Aviation Administration Airworthiness Directive 2022-23-12 is a final rule addressing all Boeing 747 series airplanes including models 747-100 through 747SP. It mandates a one-time low frequency eddy current inspection of specific center tank upper skin panels for structural damage caused by heat exposure from composite trim air diffuser ducts. This directive aims to prevent potential heat damage that could compromise the wing center section and adjacent structures.

Dec 1, 2022

Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-100Boeing 747SP

EASA AD US-2022-17-03

Time Limits / Maintenance Checks — Airworthiness Limitations for Fuel Tank Safety — Amendment

The Federal Aviation Administration's Airworthiness Directive 2022-17-03 is a final rule addressing all Boeing 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747SR, and 747SP series airplanes. This directive mandates updates to the maintenance or inspection programs to incorporate the latest airworthiness limitations related to fuel tank ignition prevention. The directive aims to mitigate the risk of fuel tank explosions caused by ignition sources within fuel tanks.

Sep 16, 2022

Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-100Boeing 747-100BBoeing 747-100B SUDBoeing 747-200BBoeing 747-200CBoeing 747-200FBoeing 747-300Boeing 747SRBoeing 747SP

EASA AD US-2022-10-11

Wings - Fuel Tank Fasteners - Inspection / Maintenance Program Revision

The Federal Aviation Administration's Airworthiness Directive 2022-10-11 addresses certain Boeing 747 series airplanes, including models 747-100B SUD, 747-200B/C/F, 747-300, 747SP, 747-400/D/F. This directive focuses on inspecting and maintaining fuel tank fasteners that have insufficient bonding, which could lead to arcing during lightning strikes or electrical faults. It mandates revisions to maintenance programs to include more restrictive airworthiness limitations to enhance fuel tank safety.

Jun 23, 2022

Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-100B SUDBoeing 747-200BBoeing 747-200CBoeing 747-200FBoeing 747-300Boeing 747SPBoeing 747-400Boeing 747-400DBoeing 747-400F

EASA AD US-2021-07-09

SUPERSEDED BY FAA AD 2023-03-15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.

Apr 16, 2021

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

EASA AD US-2020-15-14

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.

Aug 14, 2020

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

EASA AD US-2020-07-14

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.

May 4, 2020

Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-100Boeing 747SP

EASA AD US-2018-16-06

Fuselage - Boeing Material Specification (BMS) 8-39 Flexible Urethane Foam - Inspection / Modification / Replacement

The Federal Aviation Administration's Airworthiness Directive 2018-16-06 addresses certain Boeing Model 747 series airplanes, including the 747-100, -200, -300, -400, 747SP, 747SR, and 747-8 series. This directive focuses on inspecting, modifying, and replacing Boeing Material Specification (BMS) 8-39 flexible urethane foam used in fuselage floor panel assemblies and power drive unit cover assemblies. The AD aims to mitigate fire risks associated with the degradation of this foam material.

Aug 9, 2018

Airworthiness DirectiveMaintenanceSafety MgmtBoeing 747Boeing 747-100Boeing 747-200Boeing 747-300Boeing 747-400Boeing 747SPBoeing 747SRBoeing 747-8

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