Service Bulletin 213

SERVICE BULLETIN 213A
June 5, 1998

TO: FAA Approved Propeller Repair Stations

SUBJECT: Requirement to "Oil Fill" Additional Propeller Models

MODELS AFFECTED: 2D36C14, 2D36C28, 2A36C29, B2A36C31, D2A36C31, C2A36C32, D2A36C33

SERVICE MANUALS AFFECTED: 720415

**Service Bulletin 213A replaces Service Bulletin 213 dated January 20, 1994. Service Bulletin 213A applies more stringent compliance requirements. ** indicates changes.

CONDITION:
The affected propeller models are now being manufactured as "oil filled" propellers. To provide improved lubrication and corrosion protection as well as a built-in means of crack detection, modification to the "oil filled" configuration is necessary for existing propellers in the field.

CORRECTION:
Modification to "oil filled" configuration will be accomplished per Service Manual 720415 & Service Letter 1993-17.

COMPLIANCE: **

PRIOR PROPELLER UTILIZATION (Hours/calendar months given as time in service)	COMPLIANCE SCHEDULE OF PROPELLER INSPECTION/MODIFICATION
Greater than 900 hours or 59 calendar moths since last overhaul/penetrant inspeCtion or installed new or Prior time-in-service unknown	Within the next 100 hours, or at the next annual inspection, whichever occurs first
Less than or equal to both 900 hours and 59 calendar months since last overhaul/penetrant inspection or installed new	Prior to the accumulation of 1000 hours or 60 calendar months since last overhaul/penetrant inspection or installed new, whichever occurs first

Propeller Compliance Identifier Table
Affected model propellers already oil-filled can be identified by an oil-fill plug in the hub and the following change-letter stamped after the model number (see Table 1):

Propeller Type	Change Letter Following Oil-filling
2D36C14	G
2D36C28	G
2A36C29	G
B2A36C31	G
D2A36C31	G
C2A36C32	G
D2A36C33	G

Table1 - Oil-fill Change Letter

NOTE: McCauley requests to be notified of any cracks found during compliance with this service bulletin.
Product Support Department
McCauley Propeller Systems
3535 McCauley Drive
P.O. Box 5053
Vandalia, OH 45377-5053
Telephone: (937) 890-5246
1-800-621-7767
Telefax: (937) 890-6001

APPROVAL: FAA approval has been obtained on technical data in this bulletin that affects product type design.

*TO OBTAIN SATISFACTORY RESULTS, PROCEDURES SPECIFIED IN THIS SERVICE INFORMATION MUST BE ACCOMPLISHED IN ACCORDANCE WITH ACCEPTED METHODS AND PREVAILING GOVERNMENT REGULATIONS. MCCAULEY ACCESSORY DIVISION CANNOT BE RESPONSIBLE FOR THE QUALITY OF WORK PERFORMED IN ACCOMPLISHING THIS SERVICE INFORMATION.