SDR 2001UALA02109

Service difficulty report · Odor · Boeing 737322

Difficulty date: October 10, 2001
Submitted: October 23, 2001
Operation: Air carrier
Aircraft: N367UA
Make and model: Boeing 737322
Aircraft serial: 24536
Aircraft time: 36,426 hours, 25,548 cycles
Engine: Ge CFM56*
System (JASC): 2120 · Air Distribution System
Part: Odor
Condition: Detected
Location: Lavatory
Stage of operation: NR
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

UNSCHEDULED LANDING DUE TO ELECTRICAL ODOR IN THE LAVATORY. NO ROOT CAUSE OF ODOR WAS FOUND. INSPECTED PRECOOLER INLET, ACM'S FOR OVER-SERVICING, PNEUMATIC DUCTS AND COALESCER BAGS FOR OIL CONTAMINATION, THEN OPERATED PACKS FOR 20 MINUTES WITH NO DEFECT NOTED.