What was found
GEAR DISAGREE WARMING WHEN WE RETRACTED THE GEAR, IT REPEATED 4 TIMES THEN CLEARED. NOSE GEAR HAD THE INDICATION. (FLT 5239 FILED CLOSED)REVIEWED AML AND FOUND NO 30 DAY HISTORY OF GEAR DISAGREE. INTERROGATED MDC AND FOUND B1 CODE 007449 NOSE GEAR SYS/UMCND GEAR MOVEMENT. TROUBLE SHOT PER FIM TASK 32-21-00 POSSIBLE PSEU UNSERVICEABLE. REMOVED AND REPLACED PSEU REF. CRJ 700 AMM 32-61-01 OPS CHECKS GOOD AT THIS TIME. ALSO PERFORMED MULTIPLE GEAR SWINGS WITH NO FURTHER FAULTS AT THIS TIME. REF CRJ 700 AMM 07-11-01