What was found
NR 2 ENGINE B FIRE LOOP WILL NOT TEST. ACFT GROUNDED. REMOVED AND REPLACED ENGINE AND APU FIRE DETECTION MODULE, IAW AMM 26-10-01. OPS CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 2 ENGINE B FIRE LOOP WILL NOT TEST. ACFT GROUNDED. REMOVED AND REPLACED ENGINE AND APU FIRE DETECTION MODULE, IAW AMM 26-10-01. OPS CHECKED GOOD.