Service difficulty report · Oil System · Bell 505

Difficulty date
July 18, 2019
Submitted
August 17, 2020
Operation
General aviation
Make and model
Bell 505
Part
Oil System
Condition
Overheated
Location
Engine
Stage of operation
NR
How discovered
O
Nature of condition
M
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) IT WAS REPORTED TO BELL:THE HELICOPTER WAS IN THE HOVER POST 0.2 HOURS FROM THE COMPLETION OF TF90 WHEN THE PILOT OBSERVED HIGH OIL TEMPERATURES AND ZERO OIL PRESSURE (THE ENGINE ACCESSORY GEARBOX REPORTEDLY GOT THAT HOT THAT IT BUBBLED THE SEALANT USED TO SEAL THE TOP OF THE FREEWHEEL HOUSING TO ENGINE GEARBOX INTERFACE). THE HELICOPTER LANDED WITHOUT INCIDENT AND WAS TOWED BACK .WERE A PRELIMINARY INSPECTION REVEALED THAT THE OIL TANK WAS FULL AND NO LOSS OF OIL OBSERVED. ENGINE MANUFACTURER WAS NOTIFIED AND INITIAL THOUGHTS SUGGEST THAT THE ENGINE OIL PUMP HAS FAILED. ++X++ (TC# 20190911012)

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