Service difficulty report · Wire Harness · Boeing 737890

Difficulty date
May 3, 2012
Submitted
July 24, 2012
Operation
Air carrier
Aircraft
N557AS
Make and model
Boeing 737890
Aircraft serial
35176
Aircraft time
23,280 hours, 6,943 cycles
Engine
Cfmint CFM567B27
Part
Wire Harness
Part number
3250434010
Condition
Shorted
Location
Egt
Stage of operation
IN
How discovered
V
Nature of condition
N
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

NR 2 ENG BOTTOM RT EGT SIGNAL (T495S2) IS OUT OF RANGE. FAULT ACTIVE FOR LAST 10 FLT LEGS. ACFT GROUNDED. WITH S2 DISCONNECTED AT PROBE AND DP0911 FOUND SHORT BETWEEN PINS 9 AND 10. REPLACED CJ9 HARNESS, REF MM73-21-06. OPS CHECKS NORMAL.