Service difficulty report · Probe · Boeing 737890

Difficulty date
December 5, 2015
Submitted
December 9, 2015
Operation
Air carrier
Aircraft
N530AS
Make and model
Boeing 737890
Aircraft serial
36578
Aircraft time
22,173 hours, 6,696 cycles
Engine
Cfmint CFM567B27
Part
Probe
Condition
Faulted
Location
Nr 2 Engine
Stage of operation
IN
How discovered
O
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

FOUND ECONOMIC FAULT NR 2 ENGINE 77-10852. THE BOTTOM RT EGT SIGNAL, T49552, IS OUT OF RANGE. REPLACED LOWER RT ENGINE NR 2 T49.5 PROBE IAW AMM 77-21-01/401. ACCOMPLISHED EEC TEST IAW AMM TASK 73-21-00-700-804-F00. OPS GOOD. RAN ENGINE FOR 5 MIN S1-S4, S2-S3 WERE LESS THAN 25 DEGREES DIFFERENCE IAW AMM SUBTASK 77-21-00-839-006.