Service difficulty report · Pressure Switch · Boeing 737823

Difficulty date
June 12, 2024
Submitted
June 19, 2024
Operation
Air carrier
Aircraft
N954AN
Make and model
Boeing 737823
Aircraft serial
30089
Aircraft time
62,882 hours, 26,338 cycles
Part
Pressure Switch
Part number
21C1322
Condition
Inoperative
Location
Boost Pump
Stage of operation
CL
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

AIRCRAFT WAS NOT GROUNDED: ON CLIMB OUT WITH FUEL IN ALL TANKS, CROSSFEED CLOSED, ALL PUMPS ON, LEFT WING TANK BURNED TO 1200LB IMBALANCE WITHIN 10 MINUTES. REMOVED AND REPLACED CENTER BOOST PUMP PRESSURE SWITCH. OPERTIONAL CHECK GOOD. PER AMM 28-42-11.