Service difficulty report · Flow Divider · Boeing 747123

Difficulty date
August 15, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N157UA
Make and model
Boeing 747123
Aircraft serial
20106
Engine
Pwa JT9D7A
Part
Flow Divider
Part number
976000
Condition
Malfunctioned
Location
Apu
Part time
26,139 hours
Component
Allied Signa · 36038791
Stage of operation
IN
Nature of condition
A
Precautionary procedure
F

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

What was found

A/C HAD APU TAILPIPE FIRE WHILE AT GATE. REPLACED APU. FLOW DIVIDER (P/N 976000) IN FUEL CONTROL FOUND TO BE STICKING AND THE BLEED DOWN VALVE (P/N 36037) WAS FAILING TO DUMP EXCESS FUEL.