SDR ASAA2014111809699

Service difficulty report · Connector · Boeing 737890

Difficulty date: November 18, 2014
Submitted: November 20, 2014
Operation: Air carrier
Aircraft: N581AS
Make and model: Boeing 737890
Aircraft serial: 35188
Aircraft time: 28,849 hours, 8,851 cycles
Engine: Cfmint CFM567B27
System (JASC): 7797 · Engine Indicating System Wiring
Part: Connector
Condition: Dirty
Location: Egt
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

NR 2 ENGINE, WHILE PERFORMING TC 78273000 HAD ECONOMIC FAULTS: 73-31372. UPPER EGT SECTORS READING HIGH, 77-10842, ECONOMIC FAULT, THE TOP RT EGT SIGNAL IS OUT OF RANGE. ACFT GROUNDED. ACCOMPLISHED FIM TASK 73-11, TASK 801 AND TASK 77-21, TASK 801. INSPECTED AND CLEANED NR 2 ENG EGT HARNESSES AND CONNECTORS, NO DEFECTS FOUND. EEC BITE TEST NORMAL.