# SDR DU4R2007044

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2007
- Submitted: February 2, 2007
- Operation: Air carrier
- Filed by: [AAR Aircraft Services, LLC, repair station DU4R141M](https://openairdocs.org/faa-repair-station/DU4R141M/aar-aircraft-services-llc.md) (OpenAirDocs)
- Aircraft: [N684DA](https://openairdocs.org/aircraft/N684DA), registered now
- Make and model: Boeing 757232
- Aircraft serial: 27104
- Aircraft time: 47,715 hours, 21,659 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Sill
- Part number: 143N852215
- Condition: Corroded
- Location: Bs 560-620
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DU4R2007044

## Discrepancy

CORROSION C-1 DOOR CUTOUT LOWER SILL RETAINER ATTACH POINT HOLES BS 560 TO BS 620.  REMOVED AND REPLACED LOWER SILL T CHORD C-1 DOOR P/N NR 143N8522-15 IAW B757 SRM 51-40-02 AND 53-60-15 DETAIL V PAGE 102.

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