Service difficulty report · Eec · Boeing 737890

Difficulty date
January 30, 2010
Submitted
February 1, 2010
Operation
Air carrier
Aircraft
N579AS
Make and model
Boeing 737890
Aircraft serial
35187
Aircraft time
11,196 hours, 3,327 cycles
Engine
Cfmint CFM567B27
Part
Eec
Part number
1853M33P06
Part serial
LMDN7670
Condition
Faulty
Location
Nr 2 Engine
Part time
23,732 hours, 9,271 cycles
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

WHILE STARTING NR 2 ENG FOUND N1 SPEED ERRATIC. NR 2 EEC LOGGED MSG 73 20052. EEC INTERNAL FAULT ALONG WITH 22 OTHER FAULTS. EVERY FLIGHT LEG IN FAULT HISTORY. REMOVED AND REPLACED NR 2 EEC PER AMM 73 21 60 000 801 F00 AND 73 60 400 801 F00. OPS CHECK NORMAL PER AMM AMM 73 21 00 700 807 F00.