What was found
DURING ACCOMPLISHEMENT OF T/C 78273000, NEW SHORT TIME FAULT 78-31511 DISPLAYED FOR THE RT THRUST REVERSER SLEEVE POSITION SIGNAL IS OUT OF RANGE IN THE NR 1 ENGINE. ACFT GROUNDED. EEC REMOVED AND REPLACED IAW AMM 73-21-60.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING ACCOMPLISHEMENT OF T/C 78273000, NEW SHORT TIME FAULT 78-31511 DISPLAYED FOR THE RT THRUST REVERSER SLEEVE POSITION SIGNAL IS OUT OF RANGE IN THE NR 1 ENGINE. ACFT GROUNDED. EEC REMOVED AND REPLACED IAW AMM 73-21-60.