Service difficulty report · Wire Harness · Boeing 737

Difficulty date
June 18, 2006
Submitted
August 2, 2006
Operation
General aviation
Make and model
Boeing 737
Aircraft time
720 hours
Engine
Cfmint CFM567B22
Part
Wire Harness
Part number
286A1062002
Condition
Damaged
Location
Nr 2 Engine
Part time
2,265 hours
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

(CAN) ON 18 JUNE 06 DURING TROUBLESHOOTING OF A RECURING NR 2 SOURCE OFF LIGHT ILLUMINATED SNAG, WIRE CHAFFING CAUSING ARCING WAS FOUND BETWEEN FEEDER WIRE HARNESS PART NUMBER 286A1062-002 BOEING IPC 24-11-51-01A ITEM NR 35 AND THE COWLING HINGE PART NUMBER 314-2241-1 BOEING IPC 71-11-02-10 ITEM 76. INVESTIGATION ALSO REVEALED SOME MINOR CHAFFING ON THE WIRE SHIELDING OF THE NUMBER ONE ENGINE HARNESS IN THE SIMILAR AREA. A FLEET CAMPAIGN IS RAISED TO INSPECT THE FLEET AND CONFIRM IF THIS IS AN ISOLATED EVENT. BOEING HAS BEEN INFORMED AND WILL BE KEPT ADVISED OF ALL FINDINGS AS THEY COME TO LIGHT. THIS SDR WILL BE UPDATED WITH ADDITIONAL INFORMATION WHEN AVAILABLE.