SDR ASAA2019022738374

Service difficulty report · Connector · Boeing 737890

Difficulty date: February 23, 2019
Submitted: April 2, 2019
Operation: Air carrier
Aircraft: N533AS
Make and model: Boeing 737890
Aircraft serial: 35201
Aircraft time: 31,861 hours, 9,311 cycles
Engine: Cfmint CFM567B27
System (JASC): 7397 · Engine Fuel System Wiring
Part: Connector
Condition: Dirty
Location: Nr 2 Engine
Stage of operation: IN
How discovered: 9
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

ENG # 2 FAULT MSG # 75-20832.THE T3 SIGNAL IS OUT OF RANGE. FLIGHT LEG: 1. LONG TIME FAULT. DEFERRED PER TASK CARD. GROUNDED - YES. PERFORMED B737-800 FIM 75-33 TASK 802. FOUND T3 CHANNEL A CONNECTOR WITH CORROSION. CLEANED THOROUGHLY. RECONNECTED AND SAFETIED. PERFORMED EEC BITE TEST-RECENT FAULTS REF B737-800 AMM 73-21-00-740-803-F00. NO FAULTS WERE LOGGED SINCE T3 SENSOR CONNECTOR CLEANING. ALSO PERFORMED EEC TEST FOR #2 ENGINE REF AMM 73-21-00-700-804-F00 - ALL TESTS PASSED. NO FAULTS NOTED.