Landing Gear - Main Landing Gear Brake Assemblies - Modification
- Published
- Effective
- Deadline
- Replaces
- 2015-24-06
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of affected Gulfstream Model GVI airplanes must modify the main landing gear and brake assemblies within six months of July 23, 2018, following the specified Gulfstream Customer Bulletins. They should remove any previously applied dispatch and takeoff limitations after completing the modification. Credit is given for prior compliance with earlier Gulfstream bulletins if done before the effective date.
Summary
Federal Register Volume 83, Number 117 (June 18, 2018) Final Rule titled 'Landing Gear - Main Landing Gear Brake Assemblies - Modification' issued by the FAA addresses certain Gulfstream Aerospace Corporation Model GVI airplanes, also known as G650 and G650ER. This Airworthiness Directive mandates modifications to the main landing gear and brake assemblies to resolve issues with self-sealing couplings on the brake inlet fittings.
What changed
This AD supersedes AD 2015-24-06 and requires replacing the main landing gear brake inlet self-sealing couplings with new tube assemblies without self-sealing couplings and adding lock wire. It eliminates the need for repetitive breakaway torque checks and the dispatch and takeoff limitations previously required. The AD also mandates inspection and modification of the brake assembly according to Gulfstream Customer Bulletins dated July 26, 2017.
Why it matters
This directive is critical for aviation professionals because it addresses an unsafe condition where the self-sealing couplings could back out, potentially causing loss of braking capability. Failure to comply could lead to runway overruns or lateral runway excursions due to asymmetrical braking. Operators, maintenance organizations, and compliance teams must ensure these modifications are completed to maintain aircraft safety and regulatory compliance.
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