Service difficulty report · Filter · Boeing 737

Difficulty date
April 30, 2022
Submitted
May 3, 2022
Operation
Air carrier
Aircraft
N8546V
Make and model
Boeing 737
Aircraft serial
63574
Aircraft time
15,619 hours, 7,421 cycles
Part
Filter
Condition
Faulty
Location
Cabin
Stage of operation
CL
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

SMOKE IN CABIN AND COCKPIT DURING CLIMB THROUGH 11;000. DISSIPATED AFTER RUNNING THE SMOKE; FIRE; FUMES NON NORMAL CHECKLIST. THE APU WAS OFF; APU BLEED WAS OFF; ENGINE BLEEDS WERE ON; BOTH PACKS WERE RUNNING IN AUTO ISOLATION VALVE WAS IN AUTO. COULDN'T DETERMINE WEATHER ELECTRICAL OR NOT. / [01] PERFORMED CONDITIONAL INSPECTION PER AMM 05-51-56.<BR>COMPLIED WITH FIM 21-00 TASK 806. NO SMOKE OR FUMES NOTED.<BR>R&R?D RECIRCULATION AIR FILTERS PER AMM 21-25-01; OPS GOOD.;[02] HIGH POWER RUN COMPLETE REF AMM 71-00-00. NO DEFECTS NOTED.