BELL HELICOPTER 212 User Manual

TB 212-11-211
Page 1 of 8
ECCN EAR99
TECHNICAL BULLETIN 212-11-211
21 March 2011
MODEL AFFECTED: 212
SUBJECT: NUMBER ONE ENGINE JACKSHAFT SUPPORT
INSPECTION AND MODIFICATION OF.
HELICOPTERS AFFECTED: Model 212 helicopters serial number 30501
through 30999, 31101 through 31311, 32101
through 32142 and 35001 through 35103.
[Model 212 helicopters serial number 31312 and
subsequent, 32143 and subsequent, 35104 and
subsequent will have the intent of this bulletin
accomplished prior to delivery.]
COMPLIANCE: Part 1: Recommended.
Part 2: At customer’s option.
DESCRIPTION:
Bell Helicopter has been made aware of a possible fouling condition that may exist
between the number one jackshaft support and the forward firewall of the intake
cowling. This Technical Bulletin provides an inspection procedure to verify adequate
clearance between the N1 jackshaft support and if a fouling condition exists, the
corrective action to be taken. Applicability of this bulletin to any spare parts shall be
determined prior to its installation on an affected aircraft.
APPROVAL:
The engineering design aspects of this bulletin are FAA/ODA approved.
CONTACT INFO:
For any questions regarding this bulletin, please contact:
Bell Helicopter Product Support Engineering - Medium Helicopters
Tel: 450-437-6201 / 1-800-363-8028 / psemedium@bellhelicopter.textron.com

BELL HELICOPTER 212 Specifications

General

Brand	BELL HELICOPTER
Model	212
Category	Toy
Language	English

Summary

Technical Bulletin Information

Model Affected

Identifies the specific helicopter model this bulletin applies to.

Subject of Bulletin

States the main topic of the technical bulletin.

Helicopters Affected

Lists serial numbers of affected helicopters.

Compliance Requirements

Specifies whether compliance is recommended or optional.

Bulletin Description

Provides a summary of the condition and action.

Approval Status

Confirms engineering design approval.

Contact Information

Details for inquiries regarding the bulletin.

Resources and Requirements

Manpower Estimate

Estimated time required for bulletin completion.

Warranty Information

Details on warranty credit for parts or labor.

Required Material

List of parts needed for the bulletin's accomplishment.

Consumable Material

List of consumable materials required.

Special Tools

Identifies any specialized tools needed.

Supporting Documentation and Data

Weight and Balance Data

Information on weight and balance changes due to the bulletin.

Electrical Load Data

Indicates if electrical load is affected.

References

Lists other relevant manuals and documents.

Publications Affected

Lists publications that need revision due to this bulletin.

Accomplishment Instructions

Part 1: Recommended Procedure

Step-by-step guide for the recommended action.

Part 2: Customer Option Procedure

Step-by-step guide for the optional customer action.