What was found
FOUND GOUGES ON TOP SECTION OF NO. 1 ENG INTERSECTION MANIFOLD DUCT. GROUNDED - YES. REMOVED AND REPLACED ENGINE #1 PNEUMATIC DUCT INTERSECTION MANIFOLD IRW B737-900 AMM 36-11-01.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FOUND GOUGES ON TOP SECTION OF NO. 1 ENG INTERSECTION MANIFOLD DUCT. GROUNDED - YES. REMOVED AND REPLACED ENGINE #1 PNEUMATIC DUCT INTERSECTION MANIFOLD IRW B737-900 AMM 36-11-01.