As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPLOCK HOOK FOUND CRACKED AFTER GEAR WOULD NOT RETRACT AND REMAIN IN UPLOCK. ALSO, FOUND P/N 5141204-3, CRACKED AT FORWARD BLOCK ATTACH HOLE. HOOK CRACKED AT RADIUS OF MLG RETAINING CUT OUT. UNABLE TO DETERMINE IF DAMAGE OCCURRED UPON LAST EXTENSION OR RETRACTION. SUBMITTER SUSPECTS WEAK HOOK DESIGN AND INADEQUATE MATERIAL THICKNESS ON SUPPORT COMPOUNDED BY AGE.