AD 2011-03-09

final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Model MD-90-30 Airplanes

AD Number
2011-03-09
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2010-1043
FR Citation
76 FR 6535

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Model MD-90-30 Airworthiness Directives; The Boeing Company Model MD-90-30 Airplanes

Unsafe Condition

Possible latent failure in the fire handle shutoff relay circuit due to a lack of separation between engine wires.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Install new fire handle shutoff system wiring in accordance with Boeing Alert Service Bulletin MD90-74A002.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 4,200 flight hours after the effective date of this AD.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

The Boeing Company Model MD-90-30 airplanes, certificated in any category.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

View Official Source ↗ Find More ADs for Boeing Company Model MD-90-30

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2011-12-12 Recurring

final rule

Airworthiness Directives; The Boeing Company Model MD-90-30 Airplanes

Unsafe Condition: could result in the structure being unable to support limit load, and could lead to the loss of the vertical stabilizer.

Effective: Jul 22, 2011 Category: aircraft

2011-06-12 Recurring

final rule

Airworthiness Directives; The Boeing Company Model MD-90-30 Airplanes

Unsafe Condition: We are adopting a new airworthiness directive (AD) for the products listed above. This AD requires repetitive inspections for cracking of the left and right upper center skin panels of the horizont...

Effective: Apr 26, 2011 Category: aircraft

2011-01-11 Recurring

final rule

Airworthiness Directives; The Boeing Company Model MD-90-30 Airplanes

Unsafe Condition: could result in failure of the hinge bearing lugs and consequent inability of the horizontal stabilizer to sustain the required loads.

Effective: Feb 9, 2011 Category: aircraft

View all Boeing ADs →