SDR ASAA2019062519810

Service difficulty report · Connector · Boeing 737890

Difficulty date: June 21, 2019
Submitted: August 6, 2019
Operation: Air carrier
Aircraft: N533AS
Make and model: Boeing 737890
Aircraft serial: 35201
Aircraft time: 33,171 hours, 9,663 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: O
Precautionary procedure: K

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

What was found

FOUND #2 ENG LONG TIME FAULT 75-20832 THE T3 SIGNAL IS OUT OF RANGE. GROUNDED - YES. ACCOMPLISHED #2 EEC BITE B737-800 FIM 73-00 TASK 801. TEST RESULT SHOWS FAULT 75-20832. INSPECTED INPUT MONITORING AND FOUND T3 CHANNEL B SHOWING DASHES. ACCOMPLISHED CONNECTOR CLEANING PER FIM 75-33 TASK 802. INDICATION RETURNED TO NML. T3 CHA READS 111.07, CHA B READS 111.60. SYS IS WORKING NML. ACCOMPLISHED EEC BITE AGAIN AND NO FAULTS SHOWED.