Service difficulty report · Bearing · Doug DC982

Difficulty date
October 10, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N927TW
Make and model
Doug DC982
Aircraft serial
49358
Engine
Pwa JT8D219
Part
Bearing
Part number
447245
Condition
Worn
Location
Gearbox Drive
Stage of operation
CL
Nature of condition
Y
Precautionary procedure
A

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

What was found

DURING CLIMB AT APPROX 3000 FT, THE RT ENG SHUT ITSELF DOWN. FLT RETURNED TO OKC. REPLACED THE ENGINE. CHECK-C 12-10-97 MCI. UPON ENGINE TEAR DOWN FOUND THE UPPER GEARBOX DRIVE SUPPORT BEARING HAD FAILED, WHICH CAUSED THE N2 DRIVE SHAFT TO SHEAR WITH SUBSEQUENT ENGINE SPOOL DOWN.

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