Service difficulty report · Fan · Boeing 737924ER

Difficulty date
April 30, 2026
Submitted
May 4, 2026
Operation
Air carrier
Aircraft
N36444
Make and model
Boeing 737924ER
Aircraft serial
31643
Aircraft time
47,577 hours, 17,370 cycles
Part
Fan
Part number
6454052
Part serial
8777
Condition
Failed
Location
Zone 100
Part time
47,537 hours, 17,359 cycles
Stage of operation
NR
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

LEFT RECIRC FAN HAS LOW FLOW. FOUND DURING SMOKE/FUME IN CABIN INSPECTION. REQUESTING DEFFERAL 2131B FOR LEFT RECIRC FAN INOP. TOMC APPROVED COMPLIED WITH DEFFERAL. REMOVED AND REPLACED LH RECIRCULATING FAN IAW MM 21-25-02. OPS CHECK GOOD.