Service difficulty report · Air Filter · Boeing 737823

Difficulty date
September 9, 2023
Submitted
September 11, 2023
Operation
Air carrier
Aircraft
N978NN
Make and model
Boeing 737823
Aircraft serial
31226
Aircraft time
23,495 hours, 9,899 cycles
Part
Air Filter
Part number
P199753
Condition
Odor
Location
Zone 100 - Fuse
Stage of operation
CL
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

AIRCRAFT WAS GROUNDED: ODOR (DIRTY SOCKS) WAS PRESENT ON TAKE OFF AND DESCENT. ACCOMPLISHED SMOKE ODOR FUMES TROUBLESHOOTING CARD. REMOVED AND REPLACED LEFT AND RIGHT RECIRCULATING AIR FILTERS PER AMM 21-25-01 (AALA202309111697, AALA202309115280).