# SDR CALA2024112502923

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 22, 2024
- Submitted: November 25, 2024
- Operation: Air carrier
- Aircraft: [N57111](https://openairdocs.org/aircraft/N57111), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27301
- Aircraft time: 112,336 hours, 23,793 cycles
- System (JASC): [2711 · Aileron Tab Control System](https://openairdocs.org/jasc/2711)
- Part: Actuator
- Part number: 7321681001
- Condition: Misinstalled
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2024112502923

## Discrepancy

FOUND AILERON TRIM ACTUATOR INSTALLED INCORRECTLY, BARREL NUT RETAINER MISSING. CORRECTLY REINSTALLED BOLT RETERNER IAW AMM 27-11-14-022-008.

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