Service difficulty report · Filter · Boeing 737924ER

Difficulty date
February 4, 2025
Submitted
February 6, 2025
Operation
Air carrier
Aircraft
N38467
Make and model
Boeing 737924ER
Aircraft serial
33537
Aircraft time
37,357 hours, 13,487 cycles
Part
Filter
Part number
P199753
Condition
Contaminated
Location
Zone 100
Stage of operation
CR
How discovered
O
Nature of condition
B
Precautionary procedure
O

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

What was found

ELEC/OZONE SMELL ON DESCENT. RAN QRH SMOKE FIRE FUMES CHECKLIST TO STEP 25 DEBRIEFED CREW AND NOTICED OZONE SMELL IN FLT DECK DURING DECENT INTO IAH @ AROUND 13000'. F/A ALSO HAD A FAINT SMELL IN FWD AND AFT GALLEY. DID NOT NOTICE ANY SMELL IN CABIN. PERFORMED FIM TASK 21-00 TASK 806 INCLUDING REPLACING RECIRC FILTERS REF AMM 21-25-01, NEED LIVETV TO ACCOMPLISH TASK REF AMM 44-20-36 OR 44-30-00 TO COMPLETE FIM TASK 21-00 TASK 806. NEVER WAS ABLE TO DUPLICATE ANY SMELLS IN COCKPIT, CABIN OR GALLEYS. PAC PERFORMED GVI FOR IFE SYSTEM AND POWER OUTLET ENTIRE THE CABINS INCLUDING HANDSET CRADLE NO FAULT FOUND IAW AMM 44-21-00.OPS CHECK GOOD. VERIFIED THE VENDOR PANASONIC ACCOMPLISHED THEIR LIVETV AND POWER PORT OPS CKS WITH NO SMELL NOTED. THIS WAS THE LAST STEP IN THE FIM. SHOW THE COMPLETION OF FIM 21-00 TASK 806.