# SDR DALA2016011400316

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2016
- Submitted: January 14, 2016
- Operation: Air carrier
- Aircraft: [N548US](https://openairdocs.org/aircraft/N548US), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26495
- Aircraft time: 59,681 hours, 22,718 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Ball Screw
- Condition: Corroded
- Location: Nr 4 Flap Sys
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2016011400316

## Discrepancy

BALLSCREW INNER HOUSING RUSTED.  REPLACED NR 4 FLAP BALLSCREW ON AMDS WORKCARD 113-0001: 2751-2538. BALL, SCREW & N OFF 55-2743-9-0002 05648 ON 55-2743-9-0002 00154.

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