What was found
FOUND RT ENGINE FIELD LIGHT ON. TROUBLESHOT DOWN TO GCU BY SWAPPING APU GCU AND NR 2 GCU LIGHT FOLLOWED TO APU AND NR 2 REMAINED OFF. REPLACED NR 2 ENG GCU IAW AMM 24-22-02/401. OPS CHECKED OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FOUND RT ENGINE FIELD LIGHT ON. TROUBLESHOT DOWN TO GCU BY SWAPPING APU GCU AND NR 2 GCU LIGHT FOLLOWED TO APU AND NR 2 REMAINED OFF. REPLACED NR 2 ENG GCU IAW AMM 24-22-02/401. OPS CHECKED OK.