SDR ASAA2018012223274

Service difficulty report · Switch · Boeing 737890

Difficulty date: January 22, 2018
Submitted: January 26, 2018
Operation: Air carrier
Aircraft: N557AS
Make and model: Boeing 737890
Aircraft serial: 35176
Aircraft time: 44,653 hours, 13,172 cycles
System (JASC): 8000 · Engine Starting System
Part: Switch
Condition: Failed
Location: Start
Stage of operation: TX
How discovered: 9
Nature of condition: O
Precautionary procedure: O

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

What was found

THE NR 2 ENGINE DID NOT START WITH IGNITION LT. STARTED WITH IGN RT. ACFT GROUNDED. SWAPPED EXCITER LEADS FROM LEFT TO RIGHT, LEFT OPS NORMAL, RIGHT INOPERATIVE. RETURNED TO ORIGINAL POSITIONS, NOW BOTH SIDES OPS NORMAL, NO FAULTS ON EEC. REMOVED AND REPLACED THE START SWITCH IAW AMM 80-11-00, OPS CHECKED NORMAL.