# SDR DALA2015050803147

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2015
- Submitted: May 8, 2015
- Operation: Air carrier
- Aircraft: [N547US](https://openairdocs.org/aircraft/N547US), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26494
- Aircraft time: 58,355 hours, 19,924 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/DALA2015050803147

## Discrepancy

LT INBD FLAP, OTBD FLAP SCREW HAS PITTING AT ATTACH AREA.  NR 3 SCREW. REPLACED NR 3 FLAP BALLSCREW.  INSTALLED ON AMDS CARD 2751-2538.  LP1937564.

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