AD 62-19-04
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce Limited | Tyne 512 | ROLLS-ROYCE Models Tyne 512 and 515 Engines |
| engine | Rolls-Royce Limited | Tyne 515 | ROLLS-ROYCE Models Tyne 512 and 515 Engines |
Unsafe Condition
Pre-modification 750 flame tubes may fail in flight due to insufficient time in service limits, leading to engine flameout or damage.
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Required Actions
Replace pre-modification 750 flame tubes with new pre-modification 750 or modification 750 flame tubes based on engine modification status and accumulated hours. Engines without Modification 549 must replace tubes within 25 hours after AD effective date if over 325 hours, or before 350 hours if under. Engines with Modification 549 must replace within 50 hours after AD effective date if over 450 hours, or before 500 hours if under. New pre-modification tubes must be replaced with modification 750 tubes before 350 hours.
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Compliance Time
Within the specified hours' time in service as outlined in the AD, effective October 2, 1962.
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Affected Aircraft
Rolls-Royce Tyne 512 and 515 engines with pre-modification 750 flame tubes installed.
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Federal Register Abstract
Flame Tubes
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_62-19-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 62-19-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: ROLLS-ROYCE Models Tyne 512 and 515 Engines Subject: Flame Tubes Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/02/1962 Make: Rolls-Royce Limited Model: Tyne 512 | Tyne 515 Product Type: Engine Product Subtype: Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 62-19-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 62-19-04 SUBJECT HEADING: ROLLS-ROYCE Models Tyne 512 and 515 Engines ACTION: SUMMARY: DATES: Effective October 2, 1962. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 62-19-04 ROLLS-ROYCE: Amdt. 480 Part 507 Federal Register September 1, 1962. Applies to All Tyne 512 and 515 Engines With Pre-modification 750 Flame Tubes Installed. Compliance required as indicated. Investigation of an inflight failure of flame tubes on a Rolls-Royce Tyne engine reveals the need for the following corrective action. (a) Pre-modification 750 flame tubes shall be removed and replaced with new Pre-modification 750 or Modification 750 flame tubes as follows: (1) On engines not incorporating a clutch mounted tail bearing (Rolls-Royce Modification 549): (i) Pre-modification 750 flame tubes which have accumulated 325 or more hours' time service as of the effective date of this AD shall be replaced within the next 25 hours' time in service after the effective date of this AD. (ii) Pre-modification 750 flame tubes which have accumulated less than 325 hours' time in service as of the effective date of this AD shall be replaced prior to the accumulation of 350 hours' time in service. (2) On engines incorporating a clutch mounted tail bearing (Rolls-Royce Modification 549): (i) Pre-modification 750 flame tubes which have accumulated 450 or more hours' time in service as of the effective date of the AD shall be replaced within the next 50 hours' time in service after the effective date of this AD. (ii) Pre-modification 750 flame tubes which have accumulated less than 450 hours' time in service as of the effective date of the AD shall be replaced prior to the accumulation of 500 hours' time in service. (b) If new Pre-modification 750 flame tubes are installed in accordance with paragraph (a), such flame tubes must be replaced with Modification 750 flame tubes prior to the accumulation of 350 hours' time in service. (Rolls-Royce Service Bulletin No. TY-72-375 concerns the same subject.) This directive effective October 2, 1962. FOOTER:
Document Text
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AD Final Rules - DRS_62-19-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 62-19-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: ROLLS-ROYCE Models Tyne 512 and 515 Engines Subject: Flame Tubes Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/02/1962 Make: Rolls-Royce Limited Model: Tyne 512 | Tyne 515 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: 62-19-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 62-19-04 SUBJECT HEADING: ROLLS-ROYCE Models Tyne 512 and 515 Engines ACTION: SUMMARY: DATES: Effective October 2, 1962. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 62-19-04 ROLLS-ROYCE: Amdt. 480 Part 507 Federal Register September 1, 1962. Applies to All Tyne 512 and 515 Engines With Pre-modification 750 Flame Tubes Installed. Compliance required as indicated. Investigation of an inflight failure of flame tubes on a Rolls-Royce Tyne engine reveals the need for the following corrective action. (a) Pre-modification 750 flame tubes shall be removed and replaced with new Pre-modification 750 or Modification 750 flame tubes as follows: (1) On engines not incorporating a clutch mounted tail bearing (Rolls-Royce Modification 549): (i) Pre-modification 750 flame tubes which have accumulated 325 or more hours' time service as of the effective date of this AD shall be replaced within the next 25 hours' time in service after the effective date of this AD. (ii) Pre-modification 750 flame tubes which have accumulated less than 325 hours' time in service as of the effective date of this AD shall be replaced prior to the accumulation of 350 hours' time in service. (2) On engines incorporating a clutch mounted tail bearing (Rolls-Royce Modification 549): (i) Pre-modification 750 flame tubes which have accumulated 450 or more hours' time in service as of the effective date of the AD shall be replaced within the next 50 hours' time in service after the effective date of this AD. (ii) Pre-modification 750 flame tubes which have accumulated less than 450 hours' time in service as of the effective date of the AD shall be replaced prior to the accumulation of 500 hours' time in service. (b) If new Pre-modification 750 flame tubes are installed in accordance with paragraph (a), such flame tubes must be replaced with Modification 750 flame tubes prior to the accumulation of 350 hours' time in service. (Rolls-Royce Service Bulletin No. TY-72-375 concerns the same subject.) This directive effective October 2, 1962. FOOTER:
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