What was found
THE TOP OF THE APU OIL SUMP TANK HAD A HOLE CHAFED THROUGH CAUSED BY LACK OF CLEARANCE BETWEEN THE OIL SUMP TANK AND THE ENGINE MOUNT BEAM SHEET METAL. REMOVED SHEET METAL INTERFERENCE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE TOP OF THE APU OIL SUMP TANK HAD A HOLE CHAFED THROUGH CAUSED BY LACK OF CLEARANCE BETWEEN THE OIL SUMP TANK AND THE ENGINE MOUNT BEAM SHEET METAL. REMOVED SHEET METAL INTERFERENCE.