As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM, AT TOP OF DESCENT W/BOTH THROTTLES BACK THE FOLLOWING ENG READINGS NR 1 N1 50.2 EGT 316 N2 78.5 F/F 1000 NR 2 ENG READING WERE N1 36.2 EGT 306 N2 69.0 F/F 500. AT 19,000 FT TO 18,000 BOTH ENGS READ THE SAME. ENGINES APPROACH IDLE W/SN LIMITS PER AMM 71-01-02-201. OK FOR SVC ACCOMP BITE CHK OF EEG'S. NO DEFECTS NOTED REQUEST BARO, OAT DATA.