What was found
SPEED TRIM FAIL LIGHT ILLUMINATED ON RECALL. RESETS ON MASTER CAUTION PUSH TO RESET. GROUNDED - YES. CREW REPORTED TEST FLIGHT PROBABLE CAUSE OF SPEED TRIM LIGHT DUE TO MANUAL REVERSION PORTION OF FLIGHT. ACCOMPLISHED B737-800 FIM 22-11 TASK 849. MULTIPLE COLUMN OVERRIDE AND PWR CONT UNIT FAULTS ON 1 AND 2 DFCS FAULT HISTORY. BITE TEST OF DFCS 1 AND 2 OPS NORMAL REF FIM 22-11 TASK 801. LIBRARY TEST 60.32 PASS.