Service difficulty report · Press Switch · Boeing 737222

Difficulty date
July 15, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N9054U
Make and model
Boeing 737222
Aircraft serial
19935
Engine
Pwa JT8D7B
Part
Press Switch
Part number
1030675
Condition
Malfunctioned
Location
Nr 2 Boost Pump
Stage of operation
NR
Nature of condition
J
Precautionary procedure
A

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

What was found

NR 2 FORWARD LOW PRESSURE BOOST PUMP SLOW TO INDICATE. *S/D* TROUBLESHOOTING INDICATED THAT THE NR 2 FORWARD BOOST PUMP WAS OPERATING NORMALLY. CLEANED CANNON PLUG D76 AT SUBJECT BOOST PUMP, REPLACED BOTH BOOST PUMP LOW PRESSURE SWITCH, AND THE BOOST PUMP ITSELF (AS A PRECAUTION). PRIMED BOOST PUMP AND PRESSURE SWITCH SENSE LINE, OPS CHECK GOOD.