SDR CALA2024123001697

Service difficulty report · Fan · Boeing 757324

Difficulty date: December 28, 2024
Submitted: December 30, 2024
Operation: Air carrier
Aircraft: N57857
Make and model: Boeing 757324
Aircraft serial: 32816
Aircraft time: 60,762 hours, 19,384 cycles
System (JASC): 2121 · Air Distribution Fan
Part: Fan
Part number: 6455072
Part serial: 497
Condition: Faulted
Location: Zone 200
Part time: 700,140 hours, 700,040 cycles
Stage of operation: CR
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

R RECIR FAN INOP AND SMOKE IN CABIN. STRONG ELEC SMELL. SECOND EVENT IN 24HRS. LOCKED UNLOCK FOR SIGN OFF REPLACED RIGHT RECIRCULATION FAN, PER AMM REF 21-25-01-404-094, ALSO REPLACED FAN FILTER.PERFORMED OPERATIONAL TEST OF THE RIGHT RECIRCULATION FAN, PER AMM 21-25-00-005-040,GROUND CHECK NORMAL, OK FOR SERVICE.