# SDR DALA2015092105750

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2015
- Submitted: September 21, 2015
- Operation: Air carrier
- Aircraft: N434BC
- Make and model: Boeing 757-2Q8
- Registry model: [Boeing 757-2Q8](https://openairdocs.org/model/boeing-757-2q8) (OpenAirDocs)
- Aircraft serial: 33961
- Aircraft time: 29,224 hours, 17,053 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Ball Screw
- Condition: Corroded
- Location: Lt Wing Te Flap
- 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/DALA2015092105750

## Discrepancy

LT WING FLAP TRACK NR 3 BALLSCREW HAS CORROSION FORMING ON THE BALL NUT 008-41.   REMOVED NR 3 LT T/E INBD FLAP OTBD BALLSCREW IAW CARD 2751-2538.  PROCURED AND INSTALLED SERVICEABLE NR 3 LT T/E INBD FLAP OTBD BALLSCREW ON CARD 2751-2538.

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