Service difficulty report · Sensor · Boeing 737890

Difficulty date
November 4, 2011
Submitted
November 7, 2011
Operation
Air carrier
Aircraft
N589AS
Make and model
Boeing 737890
Aircraft serial
35686
Aircraft time
14,730 hours, 4,780 cycles
Part
Sensor
Condition
Dirty
Location
Egt
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

LONG TIME FAULT 77 10842 "TOP RIGHT EGT SIGNAL OUT OF RANGE" FOUND ON ALL LEGS. PERFORMED EGT CLEANING PER AMM 72 21 00 201. INITIAL S1 S4 TEMPS 57 / 21 / 21 / 50 AFTER CLEANING TEMPS READ 42 / 17 / 18 / 38.