SDR ASAA2015022110726

Service difficulty report · Fault Code · Boeing 737890

Difficulty date: February 21, 2015
Submitted: February 23, 2015
Operation: Air carrier
Aircraft: N592AS
Make and model: Boeing 737890
Aircraft serial: 35190
Aircraft time: 27,150 hours, 8,424 cycles
Engine: Cfmint CFM567B273B3
System (JASC): 7720 · Engine Temperature Indicating System
Part: Fault Code
Condition: Activated
Location: Nr 1 Engine
Stage of operation: IN
How discovered: O
Nature of condition: J
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

REF TC 78273000, FOUND FAULT 73-31371, NR 1 ENG ECONOMIC, UPPER EGT SECTORS READING HIGH. ACFT GROUNDED. ACCOMPLISHED FAULT HISTORY REVIEW AND FAULT LOGGED ON ZERO FLT LEG. CLEARED FAULTS AND ACCOMPLISHED ENG RUN, EEC TEST AND ACTUATOR TEST ON NR 1 ENG, ALL OPS NORMAL REF MM 73-21-00-700-804-F00 AND MM 71-00-00-700-807-F00.