# SDR DALA2015102306487

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 22, 2015
- Submitted: October 26, 2015
- Operation: Air carrier
- Aircraft: [N717TW](https://openairdocs.org/aircraft/N717TW), registered now
- Make and model: Boeing 757231
- Aircraft serial: 28485
- Aircraft time: 57,617 hours, 15,504 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Ball Screw
- Condition: Corroded
- Location: Rt 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/DALA2015102306487

## Discrepancy

WHILE WORKING AN INSPECTION, RT INBD T/E FLAP BALLSCREW RT INBD T/E FLAP INBD BALLSCREW FOUND CORRODED.  REMOVED RT INBD FLAP INBD BALLSCREW IAW AMM 27-51-11 . OFF PN, OFF SN 5467, OK TO INSTALL BALLSCREW ASSY IAW AMM 27- 51-11, PN 7821344, SN DL 15. REPLACED BALLSCREW ASSY IAW AMM 27-51-11.  OPS TEST ON BALLSCREWS C/W ON R/C 2751-2542,  STEP 18.

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