SDR ASAA2016091217996

Service difficulty report · Eec · Boeing 737990ER

Difficulty date: September 12, 2016
Submitted: September 16, 2016
Operation: Air carrier
Aircraft: N428AS
Make and model: Boeing 737990ER
Aircraft serial: 36353
Aircraft time: 2,142 hours, 691 cycles
Engine: Cfmint CFM567B27E
System (JASC): 7320 · Fuel Controlling System
Part: Eec
Condition: Faulted
Location: Nr 2 Engine
Stage of operation: IN
How discovered: O
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 T/C 78273000, FOUND MESSAGE 73-21382 ON NR 2 ENGINE, ESN 862900. THE ENGINE POSITION SIGNAL IS OUT OF RANGE, LONG TIME FAULT. ACFT GROUNDED. IAW FIM TASK 73-22 TASK 806, INITIAL EVALUATION SHOWS NO RECENT FAULTS OR FAULT HISTORY. PROBLEM FIXED WITH NR 2 EEC CHANGE. EEC TESTED GOOD, IAW AMM 73-21-00.