2011-18-51R1: Main shaft bearing

Adoption of the Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows: PART 39--AIRWORTHINESS DIRECTIVES 0 1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. Sec. 39.13 [Amended] 0 2. The FAA amends Sec. 39.13 by adding the following new airworthiness directive (AD): 2011-18-51R1 Honeywell International Inc.: Amendment 39-16813; Docket No. FAA-2011-0935; Directorate Identifier 2011-NE-28-AD. Effective Date (a) This AD is effective October 19, 2011. Affected ADs (b) This AD revises emergency AD 2011-18-51. Applicability (c) This AD applies to all Honeywell International Inc. TPE331 model turboprop engines with the serial numbers (S/Ns) of part manufacturer approval (PMA) replacement Dixie Aerospace, LLC main shaft bearings, part number (P/N) 3108098-1WD, listed by S/N in Table 1 of this AD, installed. Bearings having the P/N 3108098-1, but not the WD at the end of the P/N, are not affected by this AD. Table 1--Affected S/Ns of Dixie Aerospace, LLC Main Shaft Bearings, P/N 3108098-1WD ---------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------- A10-1727 A10-1762 A10-1764 A10-1770 A10-1771 A10-1775 A10-1776 A10-1780 A10-1786 A10-1789 A10-1796 A10-1798 A10-1799 A10-1800 A10-1801 A10-1803 A10-1804 A10-1805 A10-1809 A10-1810 A10-1811 A10-1814 A10-1818 A10-1822 A10-1825 ---------------------------------------------------------------------------------------------------------------- Unsafe Condition (d) This AD revision was prompted by the need to list the affected bearings by S/N in the AD for clarification. We are issuing this AD to prevent engine main rotor seizure resulting in engine damage, shutdown, and damage to the airplane. Compliance (e) Comply with this AD within the compliance times specified, unless already done. (f) For all airplanes with a Honeywell International Inc. TPE331 model turboprop engine installed, where the engine was overhauled or replaced since February 1, 2010: (1) Within 10 operating hours, inspect the airplane records to determine if any of the S/Ns of Dixie Aerospace, LLC main shaft bearing, P/N 3108098-1WD, listed in Table 1 of this AD, are installed in the engine. (2) Remove all S/Ns of Dixie Aerospace, LLC main shaft bearings listed in Table 1 of this AD, from service, before further flight. Installation Prohibition (g)After the effective date of this AD, do not install any of the bearings listed in Table 1 of this AD into any engine. Alternative Methods of Compliance (AMOCs) (h) The Manager, Atlanta Aircraft Certification Office, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Related Information (i) For further information about this AD, contact: Juanita Craft, Aerospace Engineer, Atlanta Aircraft Certification Office, FAA, Atlanta Aircraft Certification Office, 1701 Columbia Avenue, College Park, GA 30337; phone: 404-474-5584; fax: 404-474-5606; e- mail: juanita.craft@faa.gov.