As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION FOUND STABILIZER TRIM GEARBOX WITH FRACTURED SPRINGS. SUSPECT IMPROPER HEAT TREATING OR INCORRECT ALLOYS IN THE SPRINGS. SUBMITTER RECOMMENDATIONS: SPRINGS PN 69-77855-1 SHOULD BE REPLACED WITH PN 69-77855-2 SPRINGS PER BOEING TELEX AEO-AUB-94-0195RR.