SDR ASAA2018022523679

Service difficulty report · Generator · Boeing 737890

Difficulty date: February 25, 2018
Submitted: February 26, 2018
Operation: Air carrier
Aircraft: N529AS
Make and model: Boeing 737890
Aircraft serial: 35198
Aircraft time: 30,804 hours, 9,248 cycles
System (JASC): 2421 · AC Generator-Alternator
Part: Generator
Condition: Malfunctioned
Location: Nr 2
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: D

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

What was found

FOLLOWING BOTH ENGINES START, NR 2 GENERATOR WOULD NOT COME ON LINE. ACFT GROUNDED. PERFORMED FIM 24-21, TASK 816, DIST/BUS FAULT FOR GCU 2, FAULT ISOLATION AND NR 2 GENERATOR CAME ON LINE, NO MAINTENANCE FAULTS NOTED AND HAS NO HISTORY LAST 90 DAYS GROUND VERIFICATION SUCCESSFUL.