Service difficulty report · Filter · Boeing 737823

Difficulty date
August 18, 2026
Submitted
August 19, 2026
Operation
Air carrier
Aircraft
N865NN
Make and model
Boeing 737823
Aircraft serial
29554
Aircraft time
46,495 hours, 19,906 cycles
Part
Filter
Condition
Contaminated
Location
Zone 100
Stage of operation
CL
How discovered
O
Nature of condition
B
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT WAS GROUNDED: AIRCRAFT RETURN TO PHX DUE TO ODOR SMELL. NO EMERGENCY DECLARED AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE C/W J/C 08L00021001 AND R&R'ED HEPA FILTERS PER MOC AND TSI.