Service difficulty report · Tat Probe · Boeing 767231

Difficulty date
April 26, 2023
Submitted
May 1, 2023
Operation
Air carrier
Aircraft
N651GT
Make and model
Boeing 767231
Aircraft serial
22570
Aircraft time
89,588 hours, 27,109 cycles
Part
Tat Probe
Part number
798133
Part serial
169909
Condition
Defective
Location
Rt Engine
Stage of operation
CL
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

ON CLIMB: RIGHT ENGINE EPR AND N1, EGT FLUCTUATING. ON LEVEL OFF THE FLUCTUATIONS STOPPED AIRCRAFT LANDED AT CVG WITHOUT FURTHER INCIDENCE. MAINTENANCE GROUNDED AIRCRAFT. MAINTENANCE REPLACED RIGHT ENGINE PT2/TT2 PROBE PER B767 AMM 73-21-04. REPLACED PT2/TT2 PROBE PLUG D78 PER BOEING SWPM 20-61-11. AIRCRAFT RETURNED TO SERVICE.