As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT GROUNDED. GEAR WOULD NOT RETRACT AFTER TAKE-OFF. RAN QRH, GEAR WOULD NOT RETRACT. RETURNED TO AFW. INSPECTED AND FOUND MANUAL RELEASE EXTENSION DOOR SWITCH OUT OF ADJUSTMENT. ADJUSTED SWITCH AS PER AMM 32-34-00 TASK 820-802. PERFORMED OPERATIONAL AND LEAK CHECKS. CHECKED NORMAL. NO LEAKS NOTED.