SDR USAA20110104SB002

Service difficulty report · Filter · Boeing 737401

Difficulty date: January 2, 2011
Submitted: January 4, 2011
Operation: Air carrier
Aircraft: N422US
Make and model: Boeing 737401
Aircraft serial: 23989
System (JASC): 2120 · Air Distribution System
Part: Filter
Condition: Dirty
Location: Ac Bay
Stage of operation: DE
How discovered: O
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

CLT - ON DESCENT INTO CLT AND TOWARDS END OF FLIGHT, AFT FLIGHT ATTENDANT NOTICED A STRONG DIRTY SOCK ODOR THROUGHOUT THE CABIN, ESPECIALLY IN THE AFT CABIN. THIS WAS REPORTED TO THE CAPTAIN AS HE ENTERED THE PASSENGER CABIN FROM THE COCKPIT AT THE END OF THE FLIGHT. CAPTAIN COULD SMELL THE ODOR THROUGHOUT THE CABIN ALSO. MAINTENANCE PERFORMED JOB CARD 03L10025001, OIL/SMOKE IN CABIN. CHECKS OK. REMOVED AND REPLACED RECIRCULATION FILTERS PER MM 21-21-23.