Service difficulty report · Boost Pump · Boeing 747122

Difficulty date
June 24, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N853FT
Make and model
Boeing 747122
Aircraft serial
19753
Part
Boost Pump
Part number
6075504
Condition
Failed Test
Location
Nr 2
Stage of operation
IN
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 TEST PER AD 97-03-17, NR 2 FORWARD BOOST PUMP FAILED 500 VDC MEG CHECK READS O.5 MEG. REPLACED BOOST PUMP PER BOEING MAINTENANCE MANUAL 28-31-01, RETESTED PER SERVICE BULLETIN 747-28A2194.