AD 56-02-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 506 | ROLLS-ROYCE Models Dart 506 and 510 Engines |
| engine | Rolls-Royce Deutschland Ltd & Co KG | Dart 510 | ROLLS-ROYCE Models Dart 506 and 510 Engines |
Unsafe Condition
Low stage compressor impeller failure due to P/N's RK13782, RK17877, RK19795, RK20156, and RK20181.
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Required Actions
Remove all impellers with specified part numbers from service and do not reuse after maximum service time of 725 hours, unless modified with Rolls-Royce Modifications 335 and 348 allowing 750 hours. Replace impellers as required.
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Compliance Time
Compliance required as indicated. Operation beyond 750 hours total time is not authorized.
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Affected Aircraft
Rolls-Royce Deutschland Ltd & Co KG Dart 506 and 510 engines, all serial numbers.
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Federal Register Abstract
Compressor Impeller
Applicability Source Text
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AD Final Rules - DRS_56-02-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 56-02-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: ROLLS-ROYCE Models Dart 506 and 510 Engines Subject: Compressor Impeller Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Rolls-Royce Deutschland Ltd & Co KG Model: Dart 506 | Dart 510 Product Type: Engine Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 56-02-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 56-02-03 SUBJECT HEADING: ROLLS-ROYCE Models Dart 506 and 510 Engines ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 56-02-03 ROLLS-ROYCE: Applies to All Dart 506 and 510 Engines. Compliance required as indicated. Due to the possibility of low stage compressor impeller failure, all impellers, P/N's RK13782, RK17877, RK19795, RK20156 and RK20181, must be removed from service and not reused after a maximum of 725 hours service time, except that when Rolls-Royce Modifications 335 and 348 have been accomplished the maximum service time may be increased to 750 hours. The British Air registration Board considers this parts replacement program mandatory and the FAA concurs. Operation beyond 750 hours total time is not authorized. FOOTER:
Document Text
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AD Final Rules - DRS_56-02-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 56-02-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: ROLLS-ROYCE Models Dart 506 and 510 Engines Subject: Compressor Impeller Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Rolls-Royce Deutschland Ltd & Co KG Model: Dart 506 | Dart 510 Product Type: Engine Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 56-02-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 56-02-03 SUBJECT HEADING: ROLLS-ROYCE Models Dart 506 and 510 Engines ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 56-02-03 ROLLS-ROYCE: Applies to All Dart 506 and 510 Engines. Compliance required as indicated. Due to the possibility of low stage compressor impeller failure, all impellers, P/N's RK13782, RK17877, RK19795, RK20156 and RK20181, must be removed from service and not reused after a maximum of 725 hours service time, except that when Rolls-Royce Modifications 335 and 348 have been accomplished the maximum service time may be increased to 750 hours. The British Air registration Board considers this parts replacement program mandatory and the FAA concurs. Operation beyond 750 hours total time is not authorized. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.
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