Service difficulty report · Wire Harness · Boeing 767432ER

Difficulty date
May 7, 2007
Submitted
May 8, 2007
Operation
Air carrier
Aircraft
N830MH
Make and model
Boeing 767432ER
Aircraft serial
29701
Aircraft time
22,779 hours, 7,353 cycles
Engine
Ge CF680C2*
Engine time
19,529 hours, 5,977 cycles
Part
Wire Harness
Part number
609200018F
Part serial
706261
Condition
Unserviceable
Location
Nr 2 Engine
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

RT ENG EGT KEPT SURGING INTO RED EVEN WITH THROTTLE RETARDED. INSP RT THERMOCOUPLE LEAD ALL LEADS CONNECTORS SECURE. FOUND SEVERAL CORRODED/BURNED PINS ON THERMOCOUPLE JBOX. REPLACED JBOX NEEDS FURTHER TROUBLESHOOTING/CHECKOUT. FOUND UPPER EGT HARNESS TO HAVE INTERMITTENT OPEN REPLACED UPPER EGT HARNESS OPS CK ENG PER M/M RAN ENG TO 93 PERCENT N1 EGT WITHIN LIMITS NO DEFECTS NOTED.