Service difficulty report · Switch · Boeing 737823

Difficulty date
May 13, 2026
Submitted
May 16, 2026
Operation
Air carrier
Aircraft
N903NN
Make and model
Boeing 737823
Aircraft serial
31153
Aircraft time
39,704 hours, 17,107 cycles
Part
Switch
Condition
Faulty
Location
Zone 200
Stage of operation
NR
How discovered
V
Nature of condition
B
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 GROUNDED: FLIGHT ATTENDANTS IN AFT GALLEY REPORT ELECTRICAL SMOKE SMELL. FOUND POTABLE WATER AIR COMPRESSOR TO BE CONSTANTLY RUNNING AND TO BE SOURCE OF ODOR. REMOVED AND REPLACED WATER PRESSURE CUTOUT SWITCH (AALA202605144130), PER AMM 38-42-07. ALSO, REMOVE AND REPLACED RELAY R00184 (AALA202605148279), PER SWPM 20-81-11. ACCOMPLISHED OPS CHECK OF POTABLE WATER AIR COMPRESSOR, PER AMM 38-42-01, OPS CHECK GOOD AND NO LONGER EMITTING ODOR.