# SDR IPXA10563790

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 2010
- Submitted: December 8, 2010
- Operation: Air carrier
- Aircraft: [N452UP](https://openairdocs.org/aircraft/N452UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25473
- Engine: Rroyce RB211535E4
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Switch
- Part number: 21EN2626
- Condition: Inoperative
- Location: Rt Wing Slats
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA10563790

## Discrepancy

ATB - L/E SLAT DISAGREE.  FOUND SWITCH S10339 ON RT WING OTBD INOPERATIVE. S10339 REMOVED/INSTALLED S10339 STARTING AT STEP 3 TO THE END OF M/M 27-81-42-4. ALSO REF WDM 27-81-31. SYS OPS CKS NORMAL. ACFT OK FOR CONT SVC.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.