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EASA Regulations for Boeing 737-800

49 airworthiness directives and regulations affecting Boeing 737-800.

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New ADs and bulletins for Boeing 737-800, summarized like the ones below, every Monday.

EASA SIB SAIB-2026-17

Vertical Navigation Approach Disconnect Following Missed Approach

The FAA Aviation Safety Information Bulletin SAIB: 2026-17 titled "Vertical Navigation Approach Disconnect Following Missed Approach" informs operators of Boeing 737-600/-700/-800/-900/-900ER/-7/-8/-9/-8200 series airplanes equipped with Flight Management Computer software versions U14.0 or U14.1 about a potential vertical navigation (VNAV) mode disconnect during subsequent approaches after a missed approach. This bulletin provides information on the anomaly but does not mandate any regulatory action.

Safety Information Bulletin

Boeing 7376007008 (MAX)8008200 (MAX)9 (MAX)900900ER7898200

EASA AD 2026-0174

Time Limits / Maintenance Checks – Airworthiness Limitations Section – Amendment

EASA Airworthiness Directive 2026-0174 is an amendment addressing time limits and maintenance checks in the Airworthiness Limitations Section for CFM INTERNATIONAL CFM56-7B engines installed on Boeing 737-600, 737-700, 737-800, 737-900, and 737-900ER aircraft. This directive updates mandatory life limits and inspection requirements for low pressure turbine rear frames and related engine components. It applies to all serial numbers of specified CFM56-7B engine variants.

Airworthiness Directive

CFM International CFM56-7B
Boeing 737-600
Boeing 737-700
Boeing 737-800
Boeing 737-900
Boeing 737-900ER

EASA PAD 26-091

Engine – Fan Blades – Inspection

EASA Airworthiness Directive 26-091 is a proposed directive addressing inspection requirements for fan blades on CFM International CFM56-7B engines installed on Boeing 737-600, 737-700, 737-800, and 737-900 aircraft. It mandates ultrasonic inspections of specific fan blades to detect cracks and prevent potential fan blade failure. The directive applies to all serial numbers of affected engine models and specifies compliance times and inspection intervals.

CFM International CFM56-7B
Boeing 737-600
Boeing 737-700
Boeing 737-800
Boeing 737-900

EASA PAD 26-083

Time Limits / Maintenance Checks – Airworthiness Limitations Section – Amendment

EASA Airworthiness Directive PAD No. 26-083 is a proposed amendment addressing time limits and maintenance checks in the Airworthiness Limitations Section for CFM INTERNATIONAL CFM56-7B engines installed on Boeing 737-600, 737-700, 737-800, 737-900, and 737-900ER aircraft. The directive updates mandatory life limits and inspection tasks to ensure continued airworthiness of these engines. It applies to all serial numbers of multiple CFM56-7B engine variants.

CFM International CFM56-7B
Boeing 737-600
Boeing 737-700
Boeing 737-800
Boeing 737-900
Boeing 737-900ER

EASA AD US-2024-13-02

Oxygen - Passenger Service Unit Oxygen Generators - Inspection

The Federal Aviation Administration's Airworthiness Directive 2024-13-02 addresses a safety issue affecting all Boeing 737-8, 737-9, 737-8200, 737-700, 737-800, and 737-900ER series airplanes. This directive mandates inspections of passenger service unit (PSU) oxygen generator installations due to reports of oxygen generators shifting out of position caused by retention strap failures. The AD aims to ensure the functionality of supplemental oxygen systems during depressurization events.

Airworthiness Directive

Boeing 737898200700800900ER

EASA AD US-2024-06-01

Fuselage - Skin and Bear Strap at the Forward Galley Door Cutout - Inspection

Federal Aviation Administration Airworthiness Directive 2024-06-01 is a final rule addressing certain Boeing 737-600, -700, -700C, -800, -900, and -900ER airplanes. It mandates inspections of the fuselage skin and bear strap at the forward galley door cutout forward upper corner due to reported cracks caused by high operating stresses. The directive aims to ensure structural integrity and prevent potential rapid decompression.

Airworthiness Directive

Boeing 737600700700C800900900ER

EASA AD US-2024-01-06

Fuselage - Skin Repairs at Stringer S—17 - Repetitive Inspections

Federal Aviation Administration Airworthiness Directive 2024-01-06 is a final rule addressing certain Boeing 737-600, 737-700, and 737-800 series airplanes. It mandates repetitive inspections of fuselage skin repairs at Stringer S-17 to detect cracks and requires corrective actions if necessary. This directive aims to ensure continued airworthiness by preventing fatigue cracking that could compromise structural integrity.

Airworthiness Directive

Boeing 737600700800

EASA AD 2024-0002

Engine — High-Pressure Turbine Inner Stationary Seal — Inspection

EASA Airworthiness Directive 2024-0002 is an airworthiness directive addressing the inspection of the high-pressure turbine (HPT) inner stationary seal on CFM International CFM56-5B, CFM56-5C, and CFM56-7B engines. These engines are commonly installed on Airbus A318, A319, A320, A321, A340, and Boeing 737-600 through 737-900ER series aircraft. The directive mandates inspections and corrective actions to prevent potential damage caused by cracks and honeycomb separation in the affected seals.

Airworthiness Directive

CFM International CFM56-5B
CFM International CFM56-5C
CFM International CFM56-7B
Airbus A318
Airbus A319
Airbus A320
Airbus A321
Airbus A340
Boeing 737-600
Boeing 737-700
Boeing 737-800
Boeing 737-900ER

EASA AD US-2023-13-05

Fuselage - Skin Lap Splices - Inspection / Repair

The Federal Aviation Administration's Airworthiness Directive 2023-13-05 addresses fuselage skin lap splice cracking on all Boeing 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This directive requires inspections and repairs of specific skin lap splice areas at stations S-4, S-14, and S-24 to detect and mitigate cracking, buckling, wrinkling, or bulging. The AD aims to maintain the structural integrity of these aircraft by preventing fatigue-related damage in critical fuselage areas.

Airworthiness Directive

Boeing 737600700700C800900900ER

EASA AD US-2023-09-04

Superseded by FAA AD 2025-25-04

FAA Airworthiness Directive 2023-09-04 is a final rule addressing certain Boeing 737-600, -700, -700C, -800, -900, -900ER series airplanes, and certain 737-8 and -9 models. It targets uncommanded escape slide deployments caused by excessive tension in the inflation cable and movement of the escape slide assembly within its compartment. The directive mandates inspection of all escape slide assemblies to identify affected parts and requires corrective actions as necessary.

Airworthiness Directive

Boeing 737600700700C800900900ER89

EASA AD US-2023-06-15

Fuselage - Left and Right Side Station 727 Frame Inner Chord and S—18A Web - Inspection

Fuselage - Left and Right Side Station 727 Frame Inner Chord and S–18A Web - Inspection is a Federal Aviation Administration (FAA) Airworthiness Directive (AD 2023–06–15) addressing certain Boeing 737–600, –700, –700C, –800, –900, and –900ER series airplanes. This AD mandates inspections of the left and right sides at station 727 frame inner chord and S–18A web for missing or incorrect shims, fastener issues, and cracking. It aims to ensure structural integrity by detecting and repairing fatigue cracks before they become critical.

Airworthiness Directive

Boeing 737600700700C800900900ER

EASA AD US-2023-04-17

Fuel - Auxiliary Power Unit Fuel Line Shroud / Pressure Switch Wire Clamp - Inspection

The Federal Aviation Administration's Airworthiness Directive 2023-04-17 is a final rule addressing certain Boeing 737-8, 737-9, and 737-600, -700, -700C, -800, -900, and -900ER series airplanes. It mandates inspections of the auxiliary power unit (APU) fuel line shroud and the pressure switch wire clamp assembly to detect damage and incorrect fastener installation that could cause interference and potential fuel leaks. This directive aims to prevent flammable fluid leaks in ignition zones due to damaged APU fuel line shrouds.

Airworthiness Directive

Boeing 73789600700700C800900900ER

EASA AD US-2022-18-13

Fuselage - Aft Pressure Bulkhead - Inspection

Airworthiness Directive 2022-18-13 is a final rule issued by the Federal Aviation Administration (FAA) addressing certain Boeing 737-600, -700, -700C, -800, and -900 series airplanes. It mandates inspections and repairs of the aft pressure bulkhead center dome apex web lap splices due to susceptibility to widespread fatigue damage. The directive requires visual and eddy current inspections and corrective actions to maintain structural integrity.

Airworthiness Directive

Boeing 737600700700C800900

EASA AD US-2022-11-13

Fuselage - Skin Fasteners - Inspection

The Federal Aviation Administration Airworthiness Directive 2022-11-13 is a final rule addressing certain Boeing 737-700, -800, and -900ER series airplanes. It mandates detailed inspections of the fuselage skin fasteners at the station 727 bulkhead between stringers S-22 and S-27 due to reports of incorrectly installed fasteners. The directive includes required on-condition actions to ensure structural integrity.

Airworthiness Directive

Boeing 737700800900ER

EASA AD US-2022-08-05

Fuselage - Lower Lobe Electronic Equipment Bay Sealant - Inspection

Federal Register Volume 87, Number 78 (April 22, 2022) Final Rule Airworthiness Directive addresses certain Boeing 737-800 series airplanes. The directive mandates inspections and corrective actions for sealant in the lower lobe electronic equipment bay to prevent water ingress that could damage critical flight systems.

Airworthiness Directive

Boeing 737800

EASA AD US-2021-26-17

Equipment / Furnishings - Passenger Service Units and Life Vest Panels - Inspection / Modification

Airworthiness Directive 2021-26-17 is a final rule issued by the FAA addressing certain Boeing 737-600, -700, -700C, -800, -900, and -900ER series airplanes without Boeing Sky Interior. It supersedes AD 2019-03-26 and focuses on inspection and modification of passenger service units (PSUs) and life vest panels to ensure correct lanyard assemblies and proper part number re-identification. The directive aims to prevent PSUs and life vest panels from detaching, which could cause passenger injuries and hinder evacuation.

Airworthiness Directive

Boeing 737600700700C800900900ER

EASA AD US-2021-18-17

Auto Flight - Operational Program Software - Inspection

Airworthiness Directive 2021-18-17 is a final rule issued by the Federal Aviation Administration addressing certain Boeing 737-600, -700, -700C, -800, -900, and -900ER series airplanes. It requires inspection and potential updating of the operational program software (OPS) of the flight control computers (FCCs) to correct issues with autopilot coupled instrument landing system (ILS) approaches where the airplane may not capture or track the glideslope correctly.

Airworthiness Directive

Boeing 737600700700C800900900ER

EASA AD US-2021-21-09

Fuselage - Aft Pressure Bulkhead - Repetitive Inspections

The Federal Register document titled 'Fuselage - Aft Pressure Bulkhead - Repetitive Inspections' is a final rule Airworthiness Directive (AD 2021-21-09) issued by the FAA affecting The Boeing Company Model 737-600, -700, -700C, -800, and -900 series airplanes. This directive mandates repetitive inspections for cracking in the webs of the aft pressure bulkhead and corrective actions if necessary. It also includes inspections for existing repairs on newly included airplanes to ensure continued airworthiness.

Airworthiness Directive

Boeing 737600700700C800900

EASA AD US-2021-16-15

Air Conditioning - Failed Air Conditioning Pack Electronic Flow Control in Aft Cargo Compartment - Dispatch Restrictions for Carriage of Cargo

The Air Conditioning - Failed Air Conditioning Pack Electronic Flow Control in Aft Cargo Compartment - Dispatch Restrictions for Carriage of Cargo is a final rule airworthiness directive issued by the FAA affecting Boeing 737-8, 737-9, 737-8200 (737 MAX), and certain 737-800 and 737-900ER series airplanes. It addresses a safety issue where failed electronic flow control of air conditioning packs reduces fire suppression capability in the aft cargo compartment. The directive prohibits carrying cargo in the aft cargo compartment if the electronic flow control of air conditioning packs has failed.

Airworthiness Directive

Boeing 737898200800900ER

EASA AD US-2021-11-24

Fuel - Maintenance or Inspection Program - Revision

The Federal Aviation Administration's Final Rule titled 'Fuel - Maintenance or Inspection Program - Revision' is an airworthiness directive (AD 2021-11-24) applicable to certain Boeing 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This directive addresses updated airworthiness limitations related to fuel tank ignition prevention and the nitrogen generation system (NGS).

Airworthiness Directive

Boeing 737600700700C800900900ER