Airworthiness directives › 2020-18-01
AD 2020-18-01 Airworthiness Directives; Textron Aviation Inc. Airplanes
Makes named: textron aviation, cessna. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to the following Textron Aviation Inc. (type certificate previously held by Cessna Aircraft Company) model airplanes, certificated in any category: BILLING CODE 4910-13-P ER07OC20.000 ER07OC20.001 BILLING CODE 4910-13-C
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) For airplanes without a lower forward doorpost bulkhead and wing strut fitting reinforcement service kit (service kit) installed in accordance with Cessna Single Engine Service Bulletin SEB95-19, dated December 29, 1995 (SEB95-19), or Cessna Single Engine Service Bulletin SEB93-5, Revision 2, dated May 29, 2019 (SEB93-5R2): At the applicable compliance time specified in paragraph (g)(1)(i) or (ii) of this AD, do a visual inspection of the lower forward doorpost at the strut attach fitting for cracks in accordance with steps 1.A., 1.B., 1.C., and 1.B. (the step following step 1.C.) of the Accomplishment Instructions in SEB95-19; or steps 1.A. and 1.B. of the Accomplishment Instructions in SEB93-5R2; as applicable to your model airplane. (i) For airplanes that have accumulated less than 4,000 hours time-in-service (TIS) as of the effective date of this AD: Initially inspect prior to the accumulation of 4,000 hours TIS or within the next 200 hours TIS after the effective date of this AD, whichever occurs later. (ii) For airplanes that have accumulated 4,000 or more hours TIS as of the effective date of this AD: Initially inspect within 200 hours TIS after the effective date of this AD or within 12 calendar months after the effective date of this AD, whichever occurs first. (2) For airplanes with a service kit installed in accordance with SEB95-19 or SEB93-5R2: At the later of the times specified in paragraphs (g)(2)(i) and (ii) of this AD, do a visual inspection of the lower forward doorpost at the strut attach fitting for cracks in accordance with steps 1.A., 1.B., 1.C., and 1.B. (the step following step 1.C.) of the Accomplishment Instructions in SEB95-19; or steps 1.A. and 1.B. of the Accomplishment Instructions in SEB93-5R2; as applicable to your model airplane. Do not remove the installed service kit; instead, inspect for cracking that extends beyond the modified parts. (i) At the applicable time specified in paragraph (g)(1)(i) or (ii) of this AD. (ii) Within 1,000 hours TIS or 36 calendar months, whichever occurs first, since installing the service kit.
Unsafe condition
This AD was prompted by a report of cracks found in the lower area of the forward cabin doorpost bulkhead. The FAA is issuing this AD to detect and address cracking of the wing strut attach point. The unsafe condition, if not addressed, could result in failure of the wing in operation, which could result in loss of control of the airplane.
Affected ADs
None.
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