Service difficulty report · Pressure Switch · Boeing 737890

Difficulty date
September 7, 2019
Submitted
September 17, 2019
Operation
Air carrier
Aircraft
N577AS
Make and model
Boeing 737890
Aircraft serial
35186
Aircraft time
47,172 hours, 14,060 cycles
Part
Pressure Switch
Part number
21C1321
Condition
Failed
Location
Fuel System
Stage of operation
NR
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

TANK 2 FWD FUEL PUMP LIGHT ILLUMINATED WITH FULL TANK. GROUNDED - YES. REMOVED AND REPLACED #2 TANK FWD BOOST PUMP LOW PRESSURE SWITCH (S153), OPS AND LEAK CHECK GOOD. REF AMM 28-42-11.