Service difficulty report · Gcu · Boeing 7374B7

Difficulty date
October 7, 2012
Submitted
October 8, 2012
Operation
Air carrier
Aircraft
N454UW
Make and model
Boeing 7374B7
Aircraft serial
24996
Aircraft time
58,500 hours, 38,298 cycles
Part
Gcu
Part number
948F4584
Part serial
VI1744
Condition
Faulty
Location
Nr 2
Part time
46,360 hours, 33,290 cycles
Stage of operation
CR
How discovered
O
Nature of condition
H
Precautionary procedure
O

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

What was found

DEPARTED PVD WITH MEL 49-01A ASSIGNED (APU WON'T START). EN ROUTE TO CLT, NR 2 GENERATOR DROPPED OFF LINE. AT FIRST, IT WOULD NOT RESET. COMPLETED CHECKLIST AND GENERATOR RESET. ALL INDICATIONS NORMAL. CONTINUED TO CLT AND LANDED WITHOUT INCIDENT. MX TROUBLESHOT FOR LV TRIP AND FLUCTUATING VOLTAGE REF 24-21-00 PB 101. REPLACED NR 2 GCU IAW AMM 24-21-81. SUBSEQUENT ENGINE RUN REVEALS NORMAL STABLE PARAMETERS. AC GENERATOR SYSTEM CHECKS SATISFACTORY IAW 24-21-00-735-001.

More about the Boeing 737-4B7