What was found
RETURNED TO ORD WITH NR 2 ENGINE SURGE. REPLACED MAIN ENGINE CONTROL (MEC) AND ENGINE RAN NORMAL. RIGGED THE VSV AND VVB AND TRIMMED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RETURNED TO ORD WITH NR 2 ENGINE SURGE. REPLACED MAIN ENGINE CONTROL (MEC) AND ENGINE RAN NORMAL. RIGGED THE VSV AND VVB AND TRIMMED.