Service difficulty report · Coupling · Boeing 737823

Difficulty date
September 2, 2025
Submitted
September 3, 2025
Operation
Air carrier
Aircraft
N833NN
Make and model
Boeing 737823
Aircraft serial
31093
Aircraft time
45,079 hours, 19,151 cycles
Part
Coupling
Condition
Broken
Location
Zone 900
Stage of operation
CR
How discovered
O
Nature of condition
K, B
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: FOUL LAVATORY LIKE ODOR IN THE FLIGHT DECK. FOUND FORWARD TOILET VACUUM LINE COUPLING BROKEN AND SEEPING INTO FLIGHT DECK. REPLACED COUPLING, PER AMM 38-32-01. OPERATIONAL CHECK GOOD NO LEAKS NOTED. ACCOMPLISHED WORK CARD SMOKE ODOR FUMES-INITIAL 08L00021001. AREA CLEANED AND DEODORIZED BY CABIN SERVICE.