What was found
LT MAIN GEAR FAILED TO RETRACT. FOUND NITROGEN EXTENSION VALVE OPEN. CLOSED NITROGEN EXTENSION VALVE. SERVICED SYSTEM PROCEDURE FOR (AFTER EMER EXTENSION). SYSTEM OPS CHECK NORMAL. REF MM8101
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LT MAIN GEAR FAILED TO RETRACT. FOUND NITROGEN EXTENSION VALVE OPEN. CLOSED NITROGEN EXTENSION VALVE. SERVICED SYSTEM PROCEDURE FOR (AFTER EMER EXTENSION). SYSTEM OPS CHECK NORMAL. REF MM8101