# SDR CALA2026072417963

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2026
- Submitted: July 24, 2026
- Operation: Air carrier
- Aircraft: [N18223](https://openairdocs.org/aircraft/N18223), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28932
- Aircraft time: 82,681 hours, 31,031 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Condition: Failed
- Location: Zone 100
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026072417963

## Discrepancy

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.

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