What was found
DUE TO REPORT OF UNCOMMANDED NOSE PITCH DOWN PERFORM THE FOLLOWING: AUTO FLIGHT FAULTS BITE FIM MM22-00-02-101, PAY PARTICULAR ATTENTION TO ANY FCC & STAB TRIM RELATED FAULTS. BITE OF BOTH SAM MODULES IAW MM27-09-00-150 FIG.106 & TEST SAMS IAW MM27-09-00 P210. PERFORM A DVI & GVI OF THE STAB BALL SCREW ASSEMBLY IAW MM 27-41-10 PGS.607-613. ELEVATOR OPERATIONAL CHECK IAW MM27-31-00-501. STAB TRIM OPERATIONAL CHECK IAW MM 27-41-00-501. BITE BOTH ADCS IAW MM34-12-00 FIG109 PG112. INSPECT PITOT PROBES IAW MM34-11-01-601. CORRECT ALL DISCREPANCIES FOUND. ACP STEPS 2 TO 7 ALL OPERATIONS CHECKED & VISUAL INSP WERE GOOD. STEP 1 WAS ACP IAW PTT SEQ 8132003.