AD 2000-04-22

final rule
Data completeness: 60%

Airworthiness Directives; Rolls-Royce plc 524 Series and Trent 768-60 and 772-60 Turbofan Engines.

AD Number
2000-04-22
Status
final_rule
Effective Date
Product Category
engine
Docket
99-NE-59-AD
FR Citation
Federal Register: March 08, 2000

Applicability

TypeManufacturerModelDetails
engine Rolls-Royce plc RB211-524G2-T-19 Airworthiness Directives; Rolls-Royce plc 524 Series and Trent 768-60 and 772-60 Turbofan Engines.
engine Rolls-Royce plc RB211-524G3-T-19 Airworthiness Directives; Rolls-Royce plc 524 Series and Trent 768-60 and 772-60 Turbofan Engines.
engine Rolls-Royce plc RB211-524H2-T-19 Airworthiness Directives; Rolls-Royce plc 524 Series and Trent 768-60 and 772-60 Turbofan Engines.
engine Rolls-Royce plc RB211 Trent 768-60 Airworthiness Directives; Rolls-Royce plc 524 Series and Trent 768-60 and 772-60 Turbofan Engines.
engine Rolls-Royce plc RB211 Trent 772-60 Airworthiness Directives; Rolls-Royce plc 524 Series and Trent 768-60 and 772-60 Turbofan Engines.

Unsafe Condition

Failure of the HPC-to-HPT joint bolt assemblies (P/N BLT5543) due to material selection (INCO 909), which could result in a cracked stage 6 HPC disk, possible uncontained engine failure, and damage to the airplane.

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

Required Actions

Replace INCO 909 HPC-to-HPT joint bolt assemblies (P/N BLT5543) with INCO 718 assemblies (P/N BLT5541) before further flight, following Rolls-Royce SB RB.211-72-C491, Rev 1.

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

Compliance Time

Before further flight

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

Affected Aircraft

Rolls-Royce RB211-524G2-T-19, RB211-524G3-T-19, RB211-524H2-T-19, Trent 768-60, and Trent 772-60 engines installed on Airbus A330 and Boeing 747 series airplanes.

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

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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