# SDR CALA2013091600667

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2013
- Submitted: September 16, 2013
- Operation: Air carrier
- Aircraft: [N24736](https://openairdocs.org/aircraft/N24736), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28803
- Aircraft time: 47,254 hours, 14,942 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 6454051
- Part serial: 493399
- Condition: Faulty
- Location: Cargo Bay
- Part time: 47,245 hours, 14,939 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013091600667

## Discrepancy

AIR RETURN 30 MINS INTO FLIGHT DUE TO STRONG ODOR REPORTED IN MAIN CABIN.  SMELL OF BURNING OR SMOKE PROMINENT AT ROW  8-10 REPORTED.  RECIRCULATION FAN CIRCUIT BREAKER POPPED.  REPLACED RECIRCULATION FAN IAW AMM21-25-02-400-801.  ROTABLE PARTS CHANGE WAS INDICATED - TT # 1571410  SN OFF 03399 FAN, AIR, DISTR  OFF 29-2125-9-0001 3399 ON 29-2125-9-0001 0536 IAW LP 7527058

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