Service difficulty report · Bearing · Boeing 767332

Difficulty date
June 9, 2007
Submitted
June 15, 2007
Operation
Air carrier
Aircraft
N196DN
Make and model
Boeing 767332
Aircraft serial
28453
Aircraft time
46,791 hours, 7,042 cycles
Engine
Pwa PW4060
Engine time
42,874 hours, 6,474 cycles
Part
Bearing
Part number
70R270
Condition
Failed
Location
Nr 2 Engine
Stage of operation
CR
How discovered
O
Nature of condition
G
Precautionary procedure
K

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

What was found

N2 ENGINE INOP, AUTO-THROTTLES INOP-FADEC C1 MSG. FOUND N2 STATOR /ROTOR BEARING FAILED. FOUND EEC ALTERNATOR ROTOR/STATOR WORN AND EEC ALTERNATOR DR GEARSHAFT AFT BEARING DAMAGED. REPLACED EEC ALTERNATOR DRIVE GEARSHAFT AND BEARING ASSEMBLY AND ROTOR AND STATOR AS PER 72-61-14 AND 73-21-05. ACCOMPLISHED ENG RUN AT IDLE AUTHORITY PER TOPP 40-20-15 AND MCC NO FAULTS. NO MSGS.