23244 Federal Register / Vol. 80, No. 80 / Monday, April 27, 2015 / Proposed Rules 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2015–0868; Directorate 

Identifier 97–ANE–42–AD 

RIN 2120–AA64 

Airworthiness Directives; Lycoming 

Engines Reciprocating Engines 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Proposed rule; withdrawal. 

SUMMARY: The FAA is withdrawing a 

notice of proposed rulemaking (NPRM). 

The NPRM proposed a new 

airworthiness directive (AD) that had 

applied to certain Lycoming Engines 

(type certificate formerly held by 

Textron Lycoming) with Superior Air 

Parts, Inc. (SAP), piston pins installed. 

The NPRM had applied to those engines 

using SAP piston pins, part number (P/ 

N) 13444–1. The proposed action would 

have required removal of defective SAP 

piston pins, P/N 13444–1, from service. 

Since we issued the NPRM, we have 

learned that all the affected piston pins 

have been removed from service. We 

also found that SAP has revised its 

manufacturing process so that the 

subsequent piston pins were no longer 

susceptible to cracking. Accordingly, we 

withdraw the proposed rule. 

DATES: As of April 27, 2015, the 

proposed rule published February 18, 

1998 at 63 FR 8149 is withdrawn. 

FOR FURTHER INFORMATION CONTACT: 

Peter W. Hakala, Aerospace Engineer, 

Ft. Worth Aircraft Certification Office, 

FAA, Rotorcraft Directorate, 2601 

Meacham Blvd., Fort Worth, TX 76137; 

phone: 817–222–5145; fax: 817–222– 

5785; email: peter.w.hakala@faa.gov. 

SUPPLEMENTARY INFORMATION: The FAA 

proposed to amend 14 CFR part 39 with 

a proposed AD (63 FR 8149, February 

18, 1998). The proposed AD had applied 

to certain Lycoming Engines with SAP 

piston pins installed. The NPRM 

proposed to require removing certain 

defective piston pins from service. The 

proposed action was prompted by 

reports of defective piston pins. The 

proposed actions were intended to 

prevent a piston pin fracture from 

allowing a connecting rod and free 

piston to damage an aluminum cylinder 

head or an engine case. This could 

result in the loss of oil leading to total 

power failure and a possible engine fire. 

Also, a loose connecting rod could 

possibly puncture the engine case or 

jam the engine crankshaft, resulting in 

a catastrophic engine failure. 

Since we issued the NPRM (63 FR 

8149, February 18, 1998), additional 

information became available after the 

public comment period closed on March 

20, 1998. 

Upon further consideration, we 

hereby withdraw the proposed rule for 

the following reasons: 

• All the suspect defective piston 

pins, P/N 1344–1, manufactured by 

SAP, were taken out of service in 1998. 

• SAP changed its machining and 

grinding procedures in 1998 so that the 

affected piston pins were no longer 

susceptible to micro-cracks. 

Withdrawal of the NPRM (63 FR 8149, 

February 18, 1998) constitutes only such 

action, and does not preclude the 

agency from issuing another notice in 

the future, nor does it commit the 

agency to any course of action in the 

future. 

Since this action only withdraws a 

notice of proposed rulemaking, it is 

neither a proposed nor a final rule. 

Therefore, Executive Order 12866, the 

Regulatory Flexibility Act, or DOT 

Regulatory Policies and Procedures (44 

FR 11034, February 26, 1979) do not 

cover this withdrawal. 

List of Subjects in 14 CFR Part 39 

Air transportation, Aircraft, Aviation 

safety, Incorporation by reference, 

Safety. 

The Withdrawal 

Accordingly, the notice of proposed 

rulemaking, Docket No. FAA–2015– 

0868; Directorate Identifier 97–ANE– 

42–AD, published in the Federal 

Register on February 18, 1998 (63 FR 

8149), is withdrawn. 

Issued in Burlington, Massachusetts, on 

April 15, 2015. 

Colleen M. D’Alessandro, 

Assistant Manager, Engine & Propeller 

Directorate, Aircraft Certification Service. 

[FR Doc. 2015–09535 Filed 4–24–15; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF THE TREASURY 

Internal Revenue Service 

26 CFR Part 1 

[REG–133489–13] 

RIN 1545–BL76 

Allocation of Controlled Group 

Research Credit; Correction 

AGENCY: Internal Revenue Service (IRS), 

Treasury. 

ACTION: Notice of proposed rulemaking 

by cross-reference to temporary and 

notice of public hearing; correction. 

SUMMARY: This document contains 

corrections to notice of proposed 

rulemaking by cross-reference to 

temporary and notice of public hearing 

(REG–133489–13) that were published 

in the Federal Register on Friday, April 

3, 2015 (80 FR 18171). The notice of 

proposed rulemaking by cross-reference 

to temporary and notice of public 

hearing are relating to the allocation of 

the credit for increasing research 

activities (research credit) to 

corporations and trades or businesses 

under common control (controlled 

groups). 

DATES: This correction is effective April 

27, 2015 and applicable April 3, 2015. 

FOR FURTHER INFORMATION CONTACT: 

James Holmes at (202) 317–4137 (not a 

toll-free number). 

SUPPLEMENTARY INFORMATION: 

Background 

The notice of proposed rulemaking by 

cross-reference to temporary regulations 

and notice of public hearing (REG– 

133489–13) is the subjected to the 

correction under section 41 of the 

Internal Revenue Code. 

Need for Correction 

As published, the notice of proposed 

rulemaking by cross-reference to 

temporary regulations and notice of 

public hearing (REG–133489–13) 

contains an error that may prove to be 

misleading and are in need of 

clarification. 

Correction of Publication 

Accordingly, the notice of proposed 

rulemaking by cross-reference to 

temporary regulations and notice of 

public hearing (REG–133489–13) that is 

subject to FR Doc. 2015–07380, is 

corrected as follows: 

1. On page 18171, in the preamble, 

second column, under the caption 

Background, fifth line from the bottom, 

the language ‘‘Act’’ is corrected to read 

‘‘American Taxpayer Relief Act of 2012, 

P L 112–240, H. R. 8 (the ‘‘Act’’)’’. 

Martin V. Franks, 

Chief, Publications and Regulations Branch, 

Legal Processing Division, Associate Chief 

Counsel (Procedure and Administration). 

[FR Doc. 2015–09605 Filed 4–24–15; 8:45 am] 

BILLING CODE 4830–01–P 


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