Airworthiness directives › 2005-01-11
AD 2005-01-11 Airworthiness Directives; Gippsland Aeronautics Pty. Ltd. Model GA8 Airplanes
Makes named: gippsland. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
(c) This AD affects model GA8 airplanes, serial numbers GA8-00-004 through GA8-04-056, that are certificated in any category.
Required actions
(e) To address this problem, you must do the following: Actions Compliance Procedures (1) Inspect the pilot and co-pilot control column wheel and aileron cable operating arm shafts for damage Perform the initial inspection within 50 hours time-in-service (TIS) after March 4, 2005 (the effective date of this AD) Follow Gippsland Aeronautics Pty. Ltd. Service Bulletin SB-GA8-2004-11, Issue 2, dated August 25, 2004. (2) If no damage is found, continue repetitive inspections Perform repetitive inspections every 300 hours TIS until steel operating arm shafts are replaced with bronze operating arm shafts. Replacement of steel operating arm shafts with bronze operating arm shafts is terminating action for this AD on the side that was replaced. If one steel shaft requires replacement, all of the shafts on that side (pilot or co-pilot) must be replaced with bronze shafts. If only one side (pilot or co-pilot) is replaced, repetitive inspections are still required for the side that was not replaced Follow Gippsland Aeronautics Pty. Ltd. Service Bulletin SB-GA8-2004-11, Issue 2, dated August 25, 2004. (3) For airplanes where damage is found: (i) If damage can be repaired by polishing out marks or scratches so that material removed does not exceed 0.005 inches, repair the shaft. You can not repair by polishing out marks or scratches more than one time. (ii) If damage can not be repaired by polishing out marks or scratches so that that material removed does not exceed 0.005 inches or you have already repaired the damage by polishing out marks or scratches previously, the damed steel operating arm shaft must be replaced with a bronze operating arm shaft. When a shaft (pilot or co-pilot) requires replacement, you must install new bronze shafts in all areas of the affected side If damage is found, repair or replace operating arm shafts prior to further flight. If airplane is repaired, repetitively inspect every 300 hours TIS after repair until replacement of the operating arm shafts. Replacement of the steel operating arm shafts with bronze operating arm shafts is terminating action for this AD. If only one side (pilot or co-pilot) is replaced with bronze shafts, you must still repetitively inspect the other side that was not replaced Follow Gippsland Aeronautics Pty. Ltd. Service Bulletin SB-GA8-2004-11, Issue 2, dated August 25, 2004. (4) As of the effective date of this AD, do not install shafts that are not bronze on any affected Model GA8 airplane As of March 4, 2005 (the effective date of this AD) Follow Gippsland Aeronautics Pty. Ltd. Service Bulletin SB-GA8-2004-11, Issue 2, dated August 25, 2004.
Unsafe condition
(d) This AD is the result of rubbing between the control wheel shaft and the bush in the control column, which may cause wear or damage to the control wheel shaft where the shaft connects to the control column. This damage may lead to the aileron control becoming stiff or locking. The actions specified in this AD are intended to detect and correct damage of the pilot and co-pilot control wheels and aileron cable operating arm shafts that could result in the aileron controls becoming stiff or locking, which could lead to loss of control of the airplane.
Affected ADs
(b) None.
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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