Airworthiness directives › 2003-20-10
AD 2003-20-10 Airworthiness Directives; Raytheon Aircraft Company Beech Models 1900, 1900C, and 1900D Airplanes
Makes named: beech, raytheon. Models named: Beech 1900, 1900C, 1900D. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
(c) This AD affects Models Beech 1900, 1900C, and 1900D airplanes, all serial numbers, that are certificated in any category.
Required actions
(e) To address this problem, you must accomplish the following: Actions Compliance Procedures (1) Using pen and ink, mark the applicable figure in the maintenance manual as referenced below. The depiction in the referenced figures is incorrect for the elevator trim drum only and depicts the cable drum at 180 degrees from the installed position and shows the open, keyed side of the drum instead of the flat side of the drum. Insert corrected figure (Figure 1 of this AD) into the applicable maintenance manual and identify it accordingly: Before the next time you have maintenance done on the elevator trim system As specified in Raytheon Safety Communiqué No. 234, dated September 2003. (i) Figure 9 of Chapter 27-10-00 of the Model 1900/1900C Airliner Maintenance Manual (114-590021-7B) Clearly note in pen that existing portion of Figure 9 is correct for the aileron trim drum only and insert corrected figure (Figure 1 of this AD) marked in pen as correct for the elevator trim drum only; or (ii) Mark out Figure 201 of Chapter 27-30-04 of the Model 1900D Airliner Maintenance Manual (125-590000-15). Insert corrected figure (Figure 1 of this AD) (2) Incorporate the applicable temporary revision into the maintenance manuals as follows: Before the next time you have maintenance done on the elevator trim system As specified in Raytheon Safety Communiqué No. 234, dated September 2003. (i) Temporary Revision No. 27-5 to the Model 1900/1900C Airliner Maintenance Manual: Revised ELEVATOR TRIM OPERATIONAL CHECK; or (ii) Temporary Revision No. 27-9 to the Model 1900D Airliner Maintenance Manual: Added MANUAL ELEVATOR TRIM OPERATIONAL CHECK. (3) Do the elevator trim operational check that is specified in the applicable maintenance manual and temporary revisions to the maintenance manual as referenced in paragraph (e)(2) of this AD Prior to further flight after each time you have maintenance done on the elevator trim system As specified in Raytheon Safety Communiqué No. 234, dated September 2003: and Temporary Revision No. 27-5 to the Model 1900/1900C Airliner Maintenance Manual: Revised ELEVATOR TRIM OPERATIONAL CHECK; or Temporary Revision No. 27-9 to the Model 1900D Airliner Maintenance Manual: Added MANUAL ELEVATOR TRIM OPERATIONAL CHECK, both dated September 12, 2003, as applicable. BILLING CODE 4910-13-P ER10OC03.048 BILLING CODE 4910-13-C
Unsafe condition
(d) This AD is the result of an analysis of the maintenance procedures of the elevator trim system. We are issuing this AD to detect and correct any maintenance-induced problems with the elevator trim system installation before problems occur during operation. Such a condition could lead to difficulties in controlling the airplane or a total loss of pitch control.
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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