Service difficulty report · Pressure Switch · Boeing 737823

Difficulty date
July 21, 2025
Submitted
July 26, 2025
Operation
Air carrier
Aircraft
N918AN
Make and model
Boeing 737823
Aircraft serial
29519
Aircraft time
69,014 hours, 28,797 cycles
Part
Pressure Switch
Part number
ASP4560
Condition
Faulted
Location
Zone 500
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: FUEL PUMP LEFT AFT "LOW PRESSURE" WARNING LIGHT ILLUMINATED. REMOVED AND REPLACED LEFT WING LOW PRESSURE SWITCH. PER AMM TASK 28-42-11 OPERATIONAL CHECK NORMAL.