Service difficulty report · None · Boeing 737

Difficulty date
April 19, 2022
Submitted
April 20, 2022
Operation
Air carrier
Aircraft
N403AS
Make and model
Boeing 737
Aircraft serial
41730
Aircraft time
35,014 hours, 11,225 cycles
Engine
Cfmint CFM567B27E
Part
None
Part number
3250434020
Condition
None
Location
#2 Engine
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

FOLLOW UP TO CONTINUING REPORTS OF #2 ENGINE VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. ACCOMP VBV INSP REF B737-900 AMM 75-32-00-200-801-F00 GUIDE PADS NOTED AS MISSING BUT NOT FOUND IN ENGINE. NO OTHER DEFECTS NOTED. MANUAL ACTUATION OF VBV ACCOMP PER AMM 75-32-00-730-801-F00. NO BINDING OR ABNORMAL CONDITIONS NOTED. RAN #2 ENG LK CK OF HMU GOOD. DURING VISUAL EXAM OF WIRING HARNESS FOUND FURTHER DAMAGE ON TEMP REPAIR AT J9 HARNESS. RMVD & RPLCD J9 HARNESS PRECAUTIONARY REF AMM 73-21-06-000-802-F00. ACCOMP FADEC SYS TEST REF AMM 73-21-00-700-802-F00. ALL TEST PASSED. NO FAULTS. NO OTHER DEFECTS FOUND.