# SDR IPXA10559439

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2010
- Submitted: April 23, 2010
- Operation: Air carrier
- Aircraft: [N436UP](https://openairdocs.org/aircraft/N436UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25467
- Aircraft time: 18,854 hours, 12,318 cycles
- Engine: Rroyce RB211535E4
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Threshold
- Condition: Corroded
- Location: Bs 1399-1405
- 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/IPXA10559439

## Discrepancy

INSPECTION TYPE:C1, AFT CARGO DOOR CUTOUT LOWER SILL UPR SURFACE HAS AREA OF CORROSION ON NUTPLATE STRIP DIRECTLY IB OF PRESS SEAL BS 1399-1405 RBL 24.  REMOVED FABRICATED AND REPLACED IAW SRM 51-40-05 SRM 51-40-08 SRM 51-10-02.

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