AD 88-12-51 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | DHC-8-101 | Airworthiness Directives; Boeing Model DHC-8-100 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-102 | Airworthiness Directives; Boeing Model DHC-8-100 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-103 | Airworthiness Directives; Boeing Model DHC-8-100 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-106 | Airworthiness Directives; Boeing Model DHC-8-100 Series Airplanes |
Unsafe Condition
Inadvertent unfeathering of the propeller during engine shutdown or fire procedures after V1 could occur.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Insert a note in the AFM's Emergency Operating Procedures Section to delay engine shutdown checks until the third segment of the takeoff path, and complete the checks sequentially and uninterrupted. Alternatively, install the propeller autofeather latching logic wiring modification per Service Bulletin 8-61-12, Rev A, to remove the AFM note requirement.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 24 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
Boeing Model DHC-8-100 series airplanes, Serial Numbers 1 through 113
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
AFM Changes -- Engine Shutdown
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_88-12-51_R.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 88-12-51 R1 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Boeing Model DHC-8-100 Series Airplanes Subject: AFM Changes -- Engine Shutdown Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/12/1988 Make: Bombardier Inc. Model: DHC-8-101 | DHC-8-102 | DHC-8-103 | DHC-8-106 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 88-12-51 R1 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-6076 AD NUMBER: 88-12-51 R1 SUBJECT HEADING: Airworthiness Directives; Boeing Model DHC-8-100 Series Airplanes ACTION: SUMMARY: DATES: Effective December 12, 1988 ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 88-12-51 R1 BOEING OF CANADA, LTD., DE HAVILLAND DIVISION: Amendment 39- 6076. Final copy of, and revision to, Telegraphic AD 88-12-51 issued June 10, 1988. Applies to Model DHC-8-100 series airplanes, Serial Numbers 1 through 113, certificated in any category. Compliance required as indicated, unless previously accomplished. To prevent inadvertent unfeathering of the propeller, accomplish the following: A. Within 24 hours after the effective date of this AD, insert the following note into the Emergency Operating Procedures Section of the Airplane Flight Manual (AFM) [PSM-1-81- 1A(FAA)], and alert all flight crews. This may be accomplished by inserting a copy of this airworthiness directive into the front of the Emergency Operating Procedures Section (Section 4) of the AFM: "NOTE: Should an engine failure or fire after V1 occur: Ensure that the emergency procedures of paragraphs 4.1.2., 4.2.1., and 4.2.2 of PSM 1-81-1A(FAA) are followed. The ENGINE SHUTDOWN check, paragraph 4.2.1., is not to be commenced until entering the third segment of the takeoff path. On commencement of the ENGINE SHUTDOWN or ENGINE FIRE (IN FLIGHT) check, paragraph 4.2.1. or 4.2.2, respectively, the check should be completed sequentially and uninterrupted to its conclusion." B. Installation of the modification to the propellers-autofeather latching logic wiring, in accordance with de Havilland Service Bulletin 8-61-12, Revision A, dated October 28, 1988, constitutes terminating action for the requirements of paragraph A., above, and the required "NOTE" may be removed from the AFM. C. An alternate means of compliance which provides an acceptable level of safety may be used when approved by the Manager, New York Aircraft Certification Office, FAA, New England Region. All persons affected by this directive who have not already received the appropriate service information from the manufacturer, may obtain copies upon request to Boeing of Canada, Ltd., de Havilland Division, Garrett Boulevard, Downsview, Ontario M3K 1Y5, Canada. This information may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or at FAA, New England Region, New York Aircraft Certification Office, 181 South Franklin Avenue, Room 202, Valley Stream, New York. This amendment revises Telegraphic AD T88-12-51, issued June 10, 1988. This amendment, 39-6076 (AD 88-12-51 R1), becomes effective December 12, 1988. FOOTER:
Document Text
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AD Final Rules - DRS_88-12-51_R.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 88-12-51 R1 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Boeing Model DHC-8-100 Series Airplanes Subject: AFM Changes -- Engine Shutdown Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/12/1988 Make: Bombardier Inc. Model: DHC-8-101 | DHC-8-102 | DHC-8-103 | DHC-8-106 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 88-12-51 R1 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-6076 AD NUMBER: 88-12-51 R1 SUBJECT HEADING: Airworthiness Directives; Boeing Model DHC-8-100 Series Airplanes ACTION: SUMMARY: DATES: Effective December 12, 1988 ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 88-12-51 R1 BOEING OF CANADA, LTD., DE HAVILLAND DIVISION: Amendment 39- 6076. Final copy of, and revision to, Telegraphic AD 88-12-51 issued June 10, 1988. Applies to Model DHC-8-100 series airplanes, Serial Numbers 1 through 113, certificated in any category. Compliance required as indicated, unless previously accomplished. To prevent inadvertent unfeathering of the propeller, accomplish the following: A. Within 24 hours after the effective date of this AD, insert the following note into the Emergency Operating Procedures Section of the Airplane Flight Manual (AFM) [PSM-1-81- 1A(FAA)], and alert all flight crews. This may be accomplished by inserting a copy of this airworthiness directive into the front of the Emergency Operating Procedures Section (Section 4) of the AFM: "NOTE: Should an engine failure or fire after V1 occur: Ensure that the emergency procedures of paragraphs 4.1.2., 4.2.1., and 4.2.2 of PSM 1-81-1A(FAA) are followed. The ENGINE SHUTDOWN check, paragraph 4.2.1., is not to be commenced until entering the third segment of the takeoff path. On commencement of the ENGINE SHUTDOWN or ENGINE FIRE (IN FLIGHT) check, paragraph 4.2.1. or 4.2.2, respectively, the check should be completed sequentially and uninterrupted to its conclusion." B. Installation of the modification to the propellers-autofeather latching logic wiring, in accordance with de Havilland Service Bulletin 8-61-12, Revision A, dated October 28, 1988, constitutes terminating action for the requirements of paragraph A., above, and the required "NOTE" may be removed from the AFM. C. An alternate means of compliance which provides an acceptable level of safety may be used when approved by the Manager, New York Aircraft Certification Office, FAA, New England Region. All persons affected by this directive who have not already received the appropriate service information from the manufacturer, may obtain copies upon request to Boeing of Canada, Ltd., de Havilland Division, Garrett Boulevard, Downsview, Ontario M3K 1Y5, Canada. This information may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or at FAA, New England Region, New York Aircraft Certification Office, 181 South Franklin Avenue, Room 202, Valley Stream, New York. This amendment revises Telegraphic AD T88-12-51, issued June 10, 1988. This amendment, 39-6076 (AD 88-12-51 R1), becomes effective December 12, 1988. FOOTER:
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