Service difficulty report · Alternator · Boeing 76734AF

Difficulty date
October 29, 2012
Submitted
November 5, 2012
Operation
Air carrier
Aircraft
N301UP
Make and model
Boeing 76734AF
Aircraft serial
27239
Engine
Ge CF680C2B6F
Part
Alternator
Part number
02101854653
Part serial
R7384
Condition
Inoperative
Location
Nr 1 Engine
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

ON TAKE OFF, LEFT ENGINE STARTED SURGING. NO EICAS INDICATIONS. STATUS MESSAGE LT ENGINE ANALOG N2 EICAS DISAGREE, LT ENGINE CONTROL HIGH OIL TEMP INDICATIONS AND LOW OIL PRESSURE. INFLIGHT SHUTDOWN OF ENGINE. FOUND BOTH A AND B CHANNEL DATA BUSS INOPERATIVE AND EEC/PIMU DATA MODE DISAGREE MESSAGES. R & R CONTROL ALTERNATOR ROTOR AND STATOR IAW MM 73-21-08-404-006-H03 AND 73-21-08-004-017-H03 SATISFACTORY.

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