SDR USAASB98323

Service difficulty report · Gcu · Boeing 737401

Difficulty date: December 10, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N419US
Make and model: Boeing 737401
Aircraft serial: 23986
System (JASC): 2420 · AC Generation System
Part: Gcu
Condition: Malfunctioned
Location: Nr 2 Engine
Stage of operation: CR
Nature of condition: H
Precautionary procedure: A

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

What was found

JAX - FLT 820 - DURING CRUISE, THE APU GENERATOR QUIT AND THE NR 2 ENGINE GENERATOR WAS ALREADY ON MEL. DECISION WAS MADE TO DIVERT TO JAX SINCE THE AIRCRAFT WAS DOWN TO ONE ELECTRICAL SOURCE. FLIGHT LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. REPLACED NR 2 GENERATOR CONTROL UNIT, AS OF 12/16/98. SYSTEM IS BACK ON MEL. (M)