Service difficulty report · Wire Harness · Boeing 737890

Difficulty date
November 21, 2008
Submitted
November 26, 2008
Operation
Air carrier
Aircraft
N587AS
Make and model
Boeing 737890
Aircraft serial
35684
Aircraft time
4,318 hours, 1,270 cycles
Engine
Ge CFM56*
Engine time
33,597 hours, 14,659 cycles
Part
Wire Harness
Part number
3250453010
Condition
Worn
Location
Nr 2 Engine
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

DURING OPERATIONAL CK OF HYDRAULIC PUMP ON NR 2 ENGINE FOUND THAT HYD PRESS WAS ZERO WITH PUMP SWITCH ON FOUND ENG HYD PUMP CONNECTOR DP1204 WORN. REPLACED MW0312 HARNESS REF IPC 71 51 03 01 AND AMM 71 51 03. OPS NML REF AMM 71 00 00 AND 73 21 00. ENG HYD PUMP TEST NML REF AMM 29 11 11 PRESSURE INDICATION NML WITH SWITCH ON. GROUND VERIFICATION OF ETOPS SIGNIFICANT SYSTEM SUCCESSFUL.