What was found
DURING REMOVAL OF THE LEFT ENGINE ASSEMBLY, DISCOVERED FRETTING CORROSION ON THE AFT ENGINE PYLON THRU FITTING MOUNTING RIB W.O. 41725.REPAIRED I/A/W REO 601R-54-50-036.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING REMOVAL OF THE LEFT ENGINE ASSEMBLY, DISCOVERED FRETTING CORROSION ON THE AFT ENGINE PYLON THRU FITTING MOUNTING RIB W.O. 41725.REPAIRED I/A/W REO 601R-54-50-036.