# SDR CALA0500112

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2005
- Submitted: April 19, 2005
- Operation: Air carrier
- Aircraft: [N23721](https://openairdocs.org/aircraft/N23721), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28940
- Aircraft time: 21,168 hours, 6,777 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Actuator
- Part number: 315A28001
- Part serial: 1184
- Condition: Failed
- Location: Thrust Reverser
- Stage of operation: LD
- 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/CALA0500112

## Discrepancy

UPON LANDING AND APPLYING REVERSE THRUST, THE CABIN FILLED WITH SMOKE.  EMERGENCY DECLARED, NO EVACUATION.  REPLACED INBOARD THRUST REVERSER LOWER ACTUATOR PER AMM 78-31-03.

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