As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH APPROX 1500 AGL JUST INSIDE THE OUTER MARKER NR 1 ENG ROLLED BACK TO APPROX 40 PERCENT. PACK TRIPPED. SELECTED CONTINUOUS IGNITION. ADVANCED THROTTLES AND ENGINE RECOVERED. FOUND PS4 LINE AT PRBC LOOSE, TIGHTENED AND RESAFETIED SAME, RAN ENG PER PFHB, ALL INDICATIONS AND ENG PARAMETERS NORMAL. UNABLE TO DUPLICATE. ENG OK FOR SERVICE.