Service difficulty report · Pressure Switch · Boeing 737823

Difficulty date
November 25, 2016
Submitted
November 29, 2016
Operation
Air carrier
Aircraft
N966AN
Make and model
Boeing 737823
Aircraft serial
30094
Aircraft time
48,077 hours, 19,485 cycles
Part
Pressure Switch
Condition
Faulty
Location
Fuel System
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

AIRCRAFT NOT GROUNDED. RIGHT FORWARD FUEL BOOST PUMP FLICKERD LOW PRESSURE DURING CLIMB AND CRUISE. FUEL IMBALANCE DEVELOPED OVER TIME. LEFT TANK INDICATED GREATER BURN RATE. REMOVED AND REPLACED TANK 2 FORWARD FUEL BOOST PUMP PRESSURE SWITCH IAW AMM 28-42-11. OPERATIONAL CHECK GOOD.