SDR CALA2026072417963

Service difficulty report · Fan · Boeing 737824

Difficulty date: July 18, 2026
Submitted: July 24, 2026
Operation: Air carrier
Aircraft: N18223
Make and model: Boeing 737824
Aircraft serial: 28932
Aircraft time: 82,681 hours, 31,031 cycles
System (JASC): 2121 · Air Distribution Fan
Part: Fan
Condition: Failed
Location: Zone 100
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

FA REPORTS SMOKE AND FUMES IN AFT OF ACFT. SUBSIDED WITH QRC UPDATED. PER CHECKLIST, SHUTDOWN RECIRC FANS AND SMOKE & ODOR STOPPED. PERFORMED SMOKE ODOR IN THE CABIN INSP IAW AMM 05-51-26-800-801-C1. RESET BREAKER & PERFORMED OPS CHECK & RT RECIRC FAN GENERATED A BUZZING NOISE & TRIPPED BREAKER. PULLED & SECURED RT RECIRC FAN CONT & CABIN AIR BREAKERS & PLACING ON MEL IN REF WITH 2131B. PER CHECKLIST, SHUTDOWN RECIRC FANS AND SMOKE & ODOR STOPPED. R & R RT RECIRC FAN.