Service difficulty report · Pressure Switch · Boeing 737823

Difficulty date
June 13, 2025
Submitted
June 17, 2025
Operation
Air carrier
Aircraft
N978NN
Make and model
Boeing 737823
Aircraft serial
31226
Aircraft time
28,587 hours, 12,192 cycles
Part
Pressure Switch
Part number
ASP4560
Condition
Failed
Location
Zone 100
Stage of operation
NR
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: RIGHT WING AFT FUEL PUMP LOW PRESSURE LIGHT NOT ILLUMINATED WITH PUMP TURNED OFF. REMOVE AND REPLACED PRESSURE SWITCH S152. PER AMM 28-42-11. ALL OPERTIONAL TEST PASS.