SDR ASAA2015011710287

Service difficulty report · Egt Indication · Boeing 737890

Difficulty date: January 17, 2015
Submitted: January 20, 2015
Operation: Air carrier
Aircraft: N512AS
Make and model: Boeing 737890
Aircraft serial: 39043
Aircraft time: 24,879 hours, 7,618 cycles
Engine: Cfmint CFM567B27B3
System (JASC): 7720 · Engine Temperature Indicating System
Part: Egt Indication
Condition: Out Of Limits
Location: Nr 2 Engine
Stage of operation: IN
How discovered: 9
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

DURING ACCOMPLISHMENT T/C 78273000, INTERROGATE THE FMC CDU FOR ENGINE FAULTS, ON ENGINE NR 2, FOUND ECONOMIC FAULT MESSAGE 77-10842. THE TOP RIGHT EGT SIGNAL, T495S1, IS OUT OF RANGE. FLIGHT LEG 3. ACFT GROUNDED. DURING HEAVY MAINTENANCE TC 78273000 WAS ACCOMPLISHED. IS NO LONGER PRESENT FOR RECENT FAULTS OR FAULT HISTORY, NO FURTHER ACTION REQUIRED.