What was found
(CAN) BOTH THE NR 8 BEARING OIL NOZZLE AND EXTERNAL LEAKED ON INSTALLATION OF TURBINE. BOTH CRUSH WASHERS CHANGED. NR 8 BEARING STOPPED LEAKING, BUT EXTERNAL SUMP BECAME PROGRESSIVELY WORSE. WARPED SUMP MOUNTING PLATE CAUSED PROBLEM.
- Difficulty date
- May 7, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Make and model
- Hughes 369D
- Engine
- Allsn 250C20B
- System (JASC)
- 7250 · Turbine Section
- Part
- Plate
- Condition
- Warped
- Location
- Sump
- Component
- Allison · 23053320
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.