AD 2013-19-18

final rule
Data completeness: 70%

Airworthiness Directives; Rolls-Royce plc Turbofan Engines

AD Number
2013-19-18
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2013-0052
FR Citation
78 FR 61168

Applicability

TypeManufacturerModelDetails
engine Rolls-Royce plc Airworthiness Directives; Rolls-Royce plc Turbofan Engines

Unsafe Condition

Reduction in cyclic life of the low pressure turbine (LPT) stage 2 discs due to changes in thermal profile and stresses, which could lead to disc failure and uncontained engine damage.

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

Required Actions

Remove affected LPT stage 2 discs using a drawdown plan. Assign reduced maximum approved lives within 30 days of the effective date. Remove LPT stage 2 discs from service before exceeding the assigned part life.

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

Compliance Time

Within 30 days of the effective date.

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

Affected Aircraft

Rolls-Royce plc RB211-535E4-37, RB211-535E4-B-37, RB211-535E4-C-37, and RB211-535E4-B-75 turbofan engines.

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

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