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EASA Regulations for Boeing 737-100

32 airworthiness directives and regulations affecting Boeing 737-100.

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New ADs and bulletins for Boeing 737-100, summarized like the ones below, every Monday.

EASA AD US-2026-09-12

Fuselage - Aft Drain Mast Fuselage Skin - Inspections

The Federal Aviation Administration Airworthiness Directive 2026-09-12 is a final rule addressing certain Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. It mandates repetitive inspections of the fuselage skin and structure around the aft drain mast to detect cracks or corrosion. This directive aims to maintain structural integrity and prevent rapid decompression due to potential cracks beneath the aft drain mast.

Airworthiness Directive

Boeing 737100200200C300400500

EASA AD US-2022-25-15

Wings - Rear Spar Lower Chord - Inspection

The Federal Aviation Administration's Airworthiness Directive 2022-25-15 addresses all Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. This directive mandates inspections of the wing rear spar lower chord at the main landing gear aft fitting due to detected cracking. It requires repetitive high frequency eddy current and ultrasonic inspections and applicable repairs to ensure structural integrity.

Airworthiness Directive

Boeing 737100200200C300400500

EASA AD US-2021-25-05

Fuselage - Crown Skin Panels - Inspection / Replacement

The Federal Aviation Administration's Airworthiness Directive 2021-25-05 addresses safety concerns for The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This directive focuses on inspecting and replacing fuselage crown skin panels that are susceptible to widespread fatigue damage, which could compromise the structural integrity of the aircraft.

Airworthiness Directive

Boeing 737100200200C300400500

EASA AD US-2021-10-11

Wings - Bulkhead Splice Angles - Inspection

The Federal Aviation Administration Airworthiness Directive 2021-10-11 addresses all Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. It mandates repetitive surface high frequency eddy current inspections of the STA 540 bulkhead splice angles to detect cracks and requires corrective actions if cracks are found. This directive aims to maintain structural integrity and prevent potential fuel leaks and fires.

Airworthiness Directive

Boeing 737100200200C300400500

EASA AD US-2021-08-12

Wings - Lower Aft Wing Skin Aft Edge - Inspection

The FAA Airworthiness Directive 2021-08-12 is a final rule addressing all Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. It mandates repetitive inspections of the lower aft wing skin aft edge at specific flap track locations due to crack indications found in bolt holes where flap tracks attach to the track support fitting. The directive aims to ensure structural integrity by detecting and repairing cracks that could compromise the wing's ability to carry limit loads.

Airworthiness Directive

Boeing 737100200200C300400500

EASA AD US-2020-26-09

Wings - Center Wing Box Fastener Holes - Inspection

FAA Airworthiness Directive 2020-26-09 is a final rule addressing all Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. It mandates inspections of the center wing box fastener holes for cracks using high frequency eddy current, ultrasonic, or detailed internal inspection methods. The directive aims to maintain structural integrity by detecting and repairing cracks in critical wing components.

Airworthiness Directive

Boeing 737100200200C300400500

EASA AD US-2020-26-04

Fuselage - Skin Panels - Inspection / Repair / Installation

Airworthiness Directive 2020-26-04 is a final rule issued by the FAA addressing certain Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. It mandates inspections and repairs of fuselage skin panels, specifically targeting cracking along chem-milled lines. This directive updates and expands previous inspection requirements to ensure continued airworthiness.

Airworthiness Directive

Boeing 737100200200C300400500

EASA AD US-2019-23-16

Wings - Left and Right Upper Wing Skin - Inspection

The Federal Aviation Administration's Airworthiness Directive 2019-23-16 addresses all Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. This directive mandates inspections of the left and right upper wing skin to detect cracks that could lead to fuel leaks and compromise structural integrity. It requires repetitive high frequency eddy current (HFEC) and general visual inspections along with necessary repairs.

Airworthiness Directive

Boeing 737100200200C300400500

EASA AD US-2019-23-14

[Correction] Fuel - Maintenance or Inspection Program - Revision

Correction to FAA Airworthiness Directive 2019-23-14 concerning The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This correction fixes an incorrect service information reference related to fuel tank ignition prevention and nitrogen generation system maintenance requirements. The directive mandates revisions to maintenance or inspection programs to incorporate updated airworthiness limitations.

Airworthiness Directive

Boeing 737100200200C300400500

EASA AD US-2019-16-12

Wings - Vertical Stiffeners - Installation / Replacement

Airworthiness Directive 2019-16-12 is a final rule issued by the Federal Aviation Administration (FAA) addressing The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. It mandates replacement of vertical stiffeners at left and right buttock line 6.15 on the rear spar of the wing center section, along with installation of angle and bonding jumpers, brackets, sealant, and paint. This directive responds to identified cracks in vertical stiffeners and potential ignition sources in the fuel tank due to degraded fault current bonding paths.

Airworthiness Directive

Boeing 737100200200C300400500

EASA AD US-2019-14-15

Fuselage - Stub Beams - Inspection

Airworthiness Directive 2019-14-15 issued by the Federal Aviation Administration (FAA) addresses inspection requirements for the stub beams of the fuselage on all Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. This directive mandates repetitive inspections for cracking in the webs and chords of the stub beams at specified fuselage stations, including new inspection locations, and requires applicable on-condition corrective actions to maintain airworthiness.

Airworthiness Directive

Boeing 737100200200C300400500

EASA AD US-2019-09-01

Ice and Rain Protection - Pitot Anti-Icing System - Replacement / Test

Airworthiness Directive 2019-09-01 is a final rule issued by the Federal Aviation Administration addressing certain Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. It mandates replacement and testing of the pitot anti-icing system components to prevent misleading air data caused by the pitot heat switch not always being set to ON. The directive also requires installation of a junction box and wiring provisions to enhance system reliability.

Airworthiness Directive

Boeing 737100200200C300400500

EASA AD US-2019-10-03

Fuselage - Left and Right Side-Strut Support Fitting Lugs - Inspection

Federal Register Volume 84, Number 109 (June 6, 2019) is a final rule airworthiness directive issued by the FAA addressing all Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. It mandates repetitive detailed and high frequency eddy current inspections of the left and right side-strut support fitting lugs to detect corrosion, cracks, or severed lugs. The directive aims to prevent potential failure of the side-strut support fitting joint and main landing gear attachment.

Airworthiness Directive

Boeing 737100200200C300400500

EASA AD US-2019-08-02

Fuselage - Fuselage Upper Frames, Side Frames, Fail-safe Chords, Inboard Chords, Frame Webs, Stringers - Inspection

Federal Aviation Administration Airworthiness Directive 2019-08-02 is a final rule addressing certain Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. It mandates repetitive inspections of fuselage upper frames, side frames, fail-safe chords, inboard chords, frame webs, and stringers due to reported cracking and the risk of widespread fatigue damage. The directive aims to ensure structural integrity and prevent potential uncontrolled decompression.

Airworthiness Directive

Boeing 737100200200C300400500

EASA AD US-2019-08-03

Fuselage - Section 43 Lower Lobe Frames - Inspection

Federal Aviation Administration Airworthiness Directive 2019-08-03 is a final rule addressing certain Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. It mandates repetitive detailed, general visual, and high frequency eddy current inspections of the section 43 lower lobe frames between station 380 and station 520, as well as inspections to identify certain repairs and applicable on-condition actions. This directive aims to detect and mitigate frame web and integral inboard chord cracking below the passenger floor.

Airworthiness Directive

Boeing 737100200200C300400500

EASA AD US-2019-01-06

Fuselage - Frame Web and Doubler - Inspection

The Federal Aviation Administration's Airworthiness Directive 2019-01-06 addresses all Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. This directive mandates repetitive surface high frequency eddy current inspections of the fuselage frame web and doubler at body station 303.9, specifically at the stop fitting at stringer 16 left, to detect cracks. The directive aims to ensure structural integrity and prevent potential rapid decompression.

Airworthiness Directive

Boeing 737100200200C300400500

EASA AD US-2018-21-08

Fuselage - Bulkhead Frame Web - Inspection

The Federal Aviation Administration's Airworthiness Directive 2018-21-08 addresses all Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. This directive mandates repetitive inspections of the fuselage bulkhead frame web at station 259.5 due to detected cracking, and requires applicable on-condition corrective actions to maintain structural integrity.

Airworthiness Directive

Boeing 737100200200C300400500

EASA AD US-2018-18-03

Doors / Fuselage - Floor Beam Lower Chord and Door Stop Fittings - Inspection

The Federal Aviation Administration's Airworthiness Directive 2018-18-03 addresses certain Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This directive mandates repetitive inspections of the floor beam lower chord and door stop fittings at the forward airstair door cutout to detect cracks. It aims to ensure structural integrity and prevent possible rapid decompression.

Airworthiness Directive

Boeing 737100200200C300400500

EASA AD US-2018-18-13

Wings - Outboard Flap Tracks - Inspection

The Federal Aviation Administration's Airworthiness Directive 2018-18-13 addresses all Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. It mandates inspections and repetitive overhauls of the wing outboard flap tracks due to reports of cracking in certain flanges and adjacent webs. This directive aims to ensure the structural integrity of the flap tracks to maintain safe flight control.

Airworthiness Directive

Boeing 737100200200C300400500

EASA AD US-2018-16-09

Fuselage - Frame Webs - Inspection

The Federal Aviation Administration's Airworthiness Directive 2018-16-09 addresses all Boeing 737-100, -200, -200C, -300, -400, and -500 series airplanes. This directive mandates repetitive high frequency eddy current inspections of fuselage frame webs at specific stations near the overwing emergency exits to detect cracks. The directive aims to ensure continued structural integrity and prevent rapid decompression.

Airworthiness Directive

Boeing 737100200200C300400500