Service difficulty report · Pressure Switch · Boeing 737990ER

Difficulty date
October 29, 2022
Submitted
November 2, 2022
Operation
Air carrier
Aircraft
N477AS
Make and model
Boeing 737990ER
Aircraft serial
40716
Aircraft time
26,489 hours, 8,215 cycles
Part
Pressure Switch
Part number
21C1322
Condition
Faulted
Location
Fuel System
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

IN LEVEL FLIGHT W/1.6 CTR TANK R CTR FUEL PUMP LOW PRESSURE LIGHT REMAINS ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED RH CENTER FUEL PUMP PRESSURE SWITCH REF B737-900 AMM 28-42-11.