Service difficulty report · Eec · Boeing 737900ER

Difficulty date
April 23, 2022
Submitted
April 26, 2022
Operation
Air carrier
Aircraft
N403AS
Make and model
Boeing 737900ER
Aircraft serial
41730
Aircraft time
35,190 hours, 11,278 cycles
Engine
Cfmint CFM567B27E
Part
Eec
Part number
2042M67P04
Part serial
FFFB2876
Condition
Faulty
Location
#2 Engine
Part time
35,229 hours, 11,287 cycles
Stage of operation
IN
How discovered
V
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 TK 78273000 MAINT. MSG NBR75-30452 THE VBV POSITION SIGNALS DISAGREE. FL LEG X=3 SHORT TIME. GROUNDED - YES. REPLACED #2 EEC REF B737-900 AMM 73-21-60-400-F00. ALL #2 FADEC TESTS PASS REF AMM 71-00-00-800-811-F00 & 73-21-00-700-802-F00. VERIFIED SOFTWARE COMPATIBILITY REF AMM 73-21-60-470-801-F00.

More about the Boeing 737-900ER