Service difficulty report · Compressor · Boeing 737823

Difficulty date
February 21, 2026
Submitted
February 23, 2026
Operation
Air carrier
Aircraft
N935NN
Make and model
Boeing 737823
Aircraft serial
33231
Aircraft time
36,252 hours, 15,868 cycles
Engine
Cfmint CFM567B242
Part
Compressor
Condition
Leaking
Stage of operation
TO
How discovered
O
Nature of condition
B, K
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: THE FLIGHT ATTENDANTS REPORTED ODOR IN THE AFT CABIN DURING TAKEOFF AND LASTED ABOUT 5 MINUTES. ODOR DESCRIBED TO SMELL LIKE DIRTY SOCKS. TROUBLESHOT SOF EVENT PER WORKCARD 08L00021001. FOUND NUMBER 2 ENGINE TO BE THE SOURCE OF THE OIL AND DIRTY SOCK SMELL. LOW PRESSURE COMPRESSOR VBV DOORS FOUND WET WITH OIL. **SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).