Airworthiness directives › 2014-21-06
AD 2014-21-06 Airworthiness Directives; Beechcraft Corporation (Type Certificate Previously Held by Hawker Beechcraft Corporation; Raytheon Aircraft Company; Beech Aircraft Corporation) Airplanes
Makes named: beech, raytheon, hawker beechcraft. Models named: 400 Beechjet, 400A Beechjet, 400T Beechjet, MU-300. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to the airplanes identified in paragraphs (c)(1) and (c)(2) of this AD, certificated in any category. (1) Beechcraft Corporation (Type Certificate Previously Held by Hawker Beechcraft Corporation; Raytheon Aircraft Company; Beech Aircraft Corporation) airplanes identified in paragraphs (c)(1)(i), (c)(1)(ii), and (c)(1)(iii) of this AD. (i) Model 400 Beechjet airplanes having serial numbers RJ-1 through RJ-65, inclusive. (ii) Model 400A Beechjet airplanes having serial numbers RK-1 through RK-604, inclusive. (iii) Model 400T Beechjet airplanes having serial numbers TT-1 through TT-180, inclusive; and TX-1 through TX-13, inclusive. (2) Beechcraft Corporation (Type Certificate Previously Held by Hawker Beechcraft Corporation; Raytheon Aircraft Company; Mitsubishi Heavy Industries, Inc. Ltd.) Model MU-300 airplanes, having serial numbers A003SA through A093SA, inclusive.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 200 flight hours or 6 months after the effective date of this AD, whichever occurs first, inspect to determine the serial number and part number of the PTA, in accordance with the Accomplishment Instructions of Hawker Beechcraft Service Bulletin SB 27-4100, dated March 2012. A review of manufacturer delivery and operator maintenance records is acceptable in lieu of the inspection, if the serial number and part number of the PTA can be conclusively determined from that review.
Unsafe condition
This AD was prompted by a report of a failure of the Acme nut threads in a pitch trim actuator (PTA). We are issuing this AD to prevent failure of the Acme nut threads in the PTA, which could lead to loss of control of pitch trim and reduced controllability of the airplane.
Affected ADs
None.
Read the original on the Federal Register →
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1