As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(REF CNTRL NR: PA05005) THE S.O.A.P. LAB REPORT INDICATED HIGH LEVEL OF IRON (STEEL) IN THE ENGINE. THE SAMPLE INDICATED A SPECIFIC (BELLEVILLE) WASHER IN THE LP COMPRESSOR GEARBOX WAS FAILING DUE TO A SHIFTING OF THE LP PLANETARY GEARSHAFT ASSY. AC WAS FERRIED FOR REPAIRS. ENGINE WAS DISASSEMBLED AS NECESSARY AND THE PLANETARY GEARSHAFT ASSEMBLY WAS REPLACED IAW THE 731 LIGHT MM. ALL REQUIRED OPERATIONAL CHECKS WERE CARRIED OUT IAW THE 731 LIGHT MM AND AIRCRAFT WAS RETURNED TO SERVICE. (K)