As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE FIRE LEVEL 3 INDICATION AT FLAP RETRACTION. NO FAULT IN CFDS FOR B LOOP. THE LAST 4 LEGS A LOOP WAS FAULTED. RT UPPER TURBINE DH4 (SEE BOW 2021, REV 992) FOUND UPPER HARNESS FOR A LOOP INTERMITTENT. DH4 TO DH23 R & R IN REF TO 71-50-04-4. OPS CHECKED GOOD IAW 26-11-02-5. BITE TEST.