SDR ASAA11510542

Service difficulty report · Probe · Boeing 737890

Difficulty date: October 17, 2011
Submitted: October 19, 2011
Operation: Air carrier
Aircraft: N589AS
Make and model: Boeing 737890
Aircraft serial: 35686
Aircraft time: 14,530 hours, 4,715 cycles
System (JASC): 7722 · Engine EGT/TIT Indicating System
Part: Probe
Condition: Dirty
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

WHILE ACCOMPLISHING T/C 78273000 FOUND LONG TERM FAULT 77 10842 TOP RIGHT EGT SIGNAL OUT OF RANGE LEGS 2 5 7 AND 9 ON NR 2 ENGINE. ACCOMPLISHED FIM TASK 77 21 00 810 801 FOO CLEANED AND CHECKED TOP RIGHT EGT PROBE ON NR 2 ENG OPS NORMAL ON EEC BITE TEST (NO FAULTS) REF TASK 73 21 00 700 804 F00 AND TASK 77 21 01 400 801 F00.