SDR ASAA2015090612960

Service difficulty report · Fault Code · Boeing 737890

Difficulty date: September 6, 2015
Submitted: September 10, 2015
Operation: Air carrier
Aircraft: N586AS
Make and model: Boeing 737890
Aircraft serial: 35189
Aircraft time: 30,492 hours, 9,419 cycles
System (JASC): 7720 · Engine Temperature Indicating System
Part: Fault Code
Condition: Activated
Location: 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 TASK CARD 78273000, INTEROGATE THE FMC CDU FOR ENGINE FAULTS, FOUND ECONOMIC FAULTS: 73-31371, UPPER EGT SECTORS READING HIGH, 73-31372, UPPER EGT SECTORS READING HIGH. ACFT GROUNDED. RE-ACCOMPLISHED T/C 78273000 FMC CDU ENGINE INTERROGATION, NO ACTIVE OR STORED FAULTS ON EITHER ENGINE NR 1 AND NR 2. CLEARS PLT.