SDR ASAA2015112013908

Service difficulty report · Connector · Boeing 737890

Difficulty date: November 20, 2015
Submitted: November 23, 2015
Operation: Air carrier
Aircraft: N566AS
Make and model: Boeing 737890
Aircraft serial: 35182
Aircraft time: 34,133 hours, 10,310 cycles
Engine: Cfmint CFM567B27
System (JASC): 7397 · Engine Fuel System Wiring
Part: Connector
Part number: DP0802
Condition: Dirty
Location: Nr 2 Engine
Stage of operation: IN
How discovered: V
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 COMPLETION OF TC 78273000, FOUND FAULT 73-21272, "THE ALTERNATOR VOLTAGE INPUT TO THE ELECTRONIC ENGINE CONTROL IS OUT OF RANGE" SHORT TIME FAULT, NR 2 ENGINE, ESN 895-406, ACFT GROUNDED. PERFORMED FIM 73-27, TASK 804. FOUND DIRTY CONNECTOR AT NR 2 B CHANNEL/ALTERNATOR, DP0802. CLEANED CONNECTOR AND REINSTALLED. RAN ENGINE TO VEFIFY FAULT IAW FIM, NO FAULTS FOUND.