Service difficulty report · Eec · Boeing 737990ER

Difficulty date
September 21, 2015
Submitted
September 25, 2015
Operation
Air carrier
Aircraft
N457AS
Make and model
Boeing 737990ER
Aircraft serial
36355
Aircraft time
6,382 hours, 2,074 cycles
Engine
Cfmint CFM567B27E
Part
Eec
Part number
2042M67P04
Part serial
FFFH3046
Condition
Malfunctioned
Location
Nr 2 Engine
Part time
6,424 hours, 2,090 cycles
Stage of operation
IN
How discovered
9
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 ACCOMPLISHING T/C 7827 3000, FOUND NR 2 ENGINE FAULT 73-10342, THE FMV POSITION SIGNAL IS OUT OF RANGE FLIGHT LEGS 1, 3, 5, 6, 7. ACFT GROUNDED. ACCOMPLISHED FIM 73-25 TASK 803, INIT EVALUATION. ACCOMPLISH ELECTRONIC ENGINE CONTROL BITE IAW FIM 73-00, TASK 801, FAULT IS STILL ACTIVE. ACCOMPLISH ACTUATORS TEST IAW AMM 71-00-00-700-807-F00, ACTUATORS TEST PASSED NO FAULTS IAW FIM 73-25, TASK 803. CHECKED HMU CONNECTORS DP501 AND DP601 AND ELECTRONIC ENGINE CONTROL CONNECTORS DP505 AND DP606, CONNECTORS ARE GOOD. RESISTANCE IS GOOD IAW FIM. REMOVED ELECTRONIC ENGINE CONTROL FROM NR 2 ENGINE IAW AMM 73-21-60-000-801-F00. INSTALLED ELECTRONIC ENGINE CONTROL IAW AMM 73-21-60-400-801-F00. COMPLETED ELECTRONIC ENGINE CONTROL INSTALLATION TEST IAW MM 73-21-60-400-801-F00, PARA F AND LISTED TESTS POWERPLANT TEST REF TABLE 71-00-00-800-811-F00. ALL TESTS PASS.