Service difficulty report · Pressure Switch · Boeing 737823

Difficulty date
January 17, 2024
Submitted
January 19, 2024
Operation
Air carrier
Aircraft
N844NN
Make and model
Boeing 737823
Aircraft serial
33212
Aircraft time
40,870 hours, 17,143 cycles
Part
Pressure Switch
Part number
21C1321
Condition
Faulty
Location
Zone 600 - Rh Wi
Stage of operation
CR
How discovered
V
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

AIRCRAFT WAS NOT GROUNDED: RIGHT AFT FUEL LOW PRESSURE LIGHT ILLUMINATED IN FLIGHT, AIRCRAFT WAS IN LEVEL FLIGHT. REMOVE AND REPLACED RIGHT AFT BOOST PUMP PRESSURE SWITCH. PER AMM 24-42-11. OPERATIONAL CHECK GOOD.