Airworthiness directives › 2014-09-11
AD 2014-09-11 Airworthiness Directives; GROB-WERKE Airplanes
Models named: G115EG, G120A. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to GROB-WERKE Model G115EG airplanes, all serial numbers, and Model G120A airplanes, serial numbers 85001 through 85007, 85026 through 85056, and 85058, certificated in any category.
Compliance
Unless already done, do the actions in paragraphs (f)(1) through (f)(3) of this AD: (1) Within the next 30 days after June 13, 2014 (the effective date of this AD) and repetitively thereafter at intervals not to exceed 100 hours time-in-service (TIS), inspect the left hand (LH) and the right hand (RH) elevator flanges, part number (P/N) 115E-3761.06 and P/N 115E-3762.07 or P/N 120A-3561.20(A) and P/N 120A-3562.20(A), as applicable, for cracks. Do the inspections following GROB Aircraft Service Bulletin No. MSB1078-194/1, dated December 3, 2013, or GROB Aircraft Service Bulletin No. MSB1121-140, dated December 3, 2013, as applicable. (2) If any crack is found during any inspection required in paragraph (f)(1) of this AD, before further flight, replace the affected elevator flange with a serviceable part. Do the replacement following GROB Aircraft Service Bulletin No. MSB1078-194/1, dated December 3, 2013, or GROB Aircraft Service Bulletin No. MSB1121-140, dated December 3, 2013, as applicable. (3) As of June 13, 2014 (the effective date of this AD), only install an elevator flange P/N 115E-3761.06, P/N 115E-3762.07, P/N 120A-3561.20(A), or P/N 120A-3562.20(A), if it has been inspected following GROB Aircraft Service Bulletin No. MSB1078-194/1, dated December 3, 2013, or GROB Aircraft Service Bulletin No. MSB1121-140, dated December 3, 2013, as applicable, and is free of any cracks.
Required actions
This paragraph provides credit for the initial inspection required in paragraph (f)(1) of this AD and any replacement required in paragraph (f)(2) based on the result of the initial inspection if already done before June 13, 2014 (the effective date of this AD) following GROB Aircraft Service Bulletin No. MSB1078-194, dated November 26, 2013.
Unsafe condition
This AD was prompted by mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as cracks in the left hand elevator flange. We are issuing this AD to detect and correct cracks in the left hand and right hand elevator flanges, which could cause the elevator to fail and could result in reduced control.
Affected ADs
None.
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