Service Instruction No. 1070 AA

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Specified Fuels for Spark-Ignited Gasoline Aircraft Engine Models
DATE:

January 11, 2019 

SUBJECT:

Specified Fuels for Spark-Ignited Gasoline Aircraft Engine Models

MODELS AFFECTED:

Lycoming engine models as detailed in Table 3

TIME OF COMPLIANCE:

When refueling aircraft

REASON FOR REVISION:

Added listings for TEO-540-A, -C engine model series to Table 3

Service Instruction No. 1098 P

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SUBJECT

Propeller Flange Bushing Locations

DATE

January 11, 2019

MODELS AFFECTED

All Certified Lycoming direct drive engines

TIME OF COMPLIANCE

At owner's discretion 

REASON FOR REVISION

Added TEO-540-A1A, -C1A engine model to Table 1

Service Instruction No. 1154 V

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FAA-APPROVED STARTERS AND ALTERNATORS
DATE:

January 11, 2019 

SUBJECT:

FAA-Approved Starters and Alternators

MODELS AFFECTED:

Lycoming engines as herein specified

TIME OF COMPLIANCE:

As required for replacement

REASON FOR REVISION:

Added approved alternator for TEO-540-A1A and TEO-540-C1A to Table 2.

Service Instruction No. 1533 D

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Supersedes Service Instruction No. 1533 C

January 11, 2019

MODELS AFFECTED

All Lycoming reciprocating aircraft engines using rotary style fuel pumps

TIME OF COMPLIANCE

As Required for Replacement

REASON FOR REVISION

Changed SUBJECT line, new fuel pump part number was added

Service Instruction No. 1573

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Lycoming TEO-540 Engine Series Engine Control Unit (ECU) Assembly Cross-References
DATE:

January 11, 2019

SUBJECT:

Lycoming TEO-540 Engine Series Engine Control Unit (ECU) Assembly Cross-References

MODELS AFFECTED:

TEO-540-A1A & TEO-540-C1A

TIME OF COMPLIANCE:

As Required for Inspection/Maintenance/Replacement

Service Bulletin No. 369 R

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Engine Inspection after Overspeed
DATE:

January 7, 2019

SUBJECT:

Engine Inspection after Overspeed

MODELS AFFECTED:

All Lycoming piston engines.

TIME OF COMPLIANCE:

As required by the subject bulletin.

REASON FOR REVISION:

Added new engine models, TEO-540-A1A and TEO-540-C1A Series to Table 1. Corrected HIO-390-A1A overspeed RPM in Table 2.

Service Instruction No. 1011N

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Tappets and Lifters
DATE:

January 7, 2019

SUBJECT:

Tappets and Lifters

MODELS AFFECTED:

All Lycoming engines

TIME OF COMPLIANCE:

At overhaul or at owner’s discretion

REASON FOR REVISION:

Added new engine model, TEO-540 Series to Table 3.

Service Instruction No. 1012 K

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Counterweights and Rollers on Engine Models
DATE:

January 7, 2019

SUBJECT:

Counterweights and Rollers on Engine Models

MODELS AFFECTED:

All Lycoming engines with counterweights

TIME OF COMPLIANCE:

As required

REASON FOR REVISION:

Added new engine models, TEO-540-A1A and TEO-540-C1A Series to Table 6.

Service Instruction No. 1042 AG

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Approved Spark Plugs
DATE:

January 7, 2019

SUBJECT:

Approved Spark Plugs

MODELS AFFECTED:

All Lycoming piston aircraft engines

TIME OF COMPLIANCE:

As required for replacement

REASON FOR REVISION:

Added new engine models, TEO-540-A1A and TEO-540-C1A Series to Table 5.

Service Instruction No. 1060 T

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Push Rod Identification
DATE:

January 7, 2019

SUBJECT:

Push Rod Identification

MODELS AFFECTED:

All Lycoming aircraft engines.

TIME OF COMPLIANCE:

Anytime push rod replacement is necessary.

REASON FOR REVISION:

Added TEO-540-C1A and applicable push rods to Tables 1 and 3; added TEO-540-A1A to Tables 2 and 4; Corrected Part Number in Table 2.

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