AD 2003-11-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | McDonnell Douglas | MD-90-30 | Airworthiness Directives; McDonnell Douglas Model MD-90-30 Airplanes |
Unsafe Condition
Lanyards of inadequate strength could allow the pressure relief door to detach from the thrust reverser in the event that an engine bleed air duct bursts, which could result in the detached door striking and damaging the horizontal stabilizer, and consequent reduced controllability of the airplane.
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Required Actions
Replace the lanyards on the pressure relief door for the thrust reverser with new, improved lanyards, and accomplish associated modifications per Boeing Service Bulletin MD90-78-048. The modifications include removing the pressure relief door, modifying the door and lower track beam, modifying the heat shield, and re-installing the pressure relief door.
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Compliance Time
Within 18 months after the effective date of the AD.
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Affected Aircraft
All McDonnell Douglas Model MD-90-30 airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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