# SDR DALA2022123008498

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 29, 2022
- Submitted: December 30, 2022
- Operation: Air carrier
- Aircraft: [N951DA](https://openairdocs.org/aircraft/N951DA), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 38739
- Aircraft time: 24,144 hours, 13,286 cycles
- System (JASC): [2742 · Stabilizer Actuator](https://openairdocs.org/jasc/2742)
- Part: Jackscrew
- Part number: 251A451011
- Part serial: BP08023
- Condition: Corroded
- Location: Horizontal Stab
- Part time: 951 hours, 13,286 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2022123008498

## Discrepancy

(LOG 2559400) DURING ACCOMPLISHMENT OD AD CARD 2740-01077-0101, FOUND LIGHT CORROSION AROUND THE THREADS OF THE HORIZONTAL STAB JACKSCREW. REMOVED AND REPLACED HORIZONTAL STABILIZER BALL SCREW ACTUATOR IAW  AMDS 2740-01077-0301.

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