Service difficulty report · Eec · Boeing 737890

Difficulty date
December 2, 2007
Submitted
December 4, 2007
Operation
Air carrier
Aircraft
N587AS
Make and model
Boeing 737890
Aircraft serial
35684
Aircraft time
331 hours, 116 cycles
Engine
Cfmint CFM567B2US
Part
Eec
Part number
2044M16P02
Condition
Faulty
Location
Nr 2 Engine
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

AUTO THROTTLES OPERATING IN "A T LIM" MODE DURING CRUISE. ENGINE BITE SHOWS FAULTS 73 10772 9 (PS3 SIGNAL OUT OF RANGE) AND 73 11282 (EEC CHANNEL NOT ENERGIZED WITH ALTERNATOR VOLTAGE). REPLACED NR 2 EEC. EEC INSTALLATION TEST AT SYSTEM TESTS NORMAL.