# SDR IPXA12574531

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2012
- Submitted: July 25, 2012
- Operation: Air carrier
- Aircraft: [N412UP](https://openairdocs.org/aircraft/N412UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23852
- Aircraft time: 27,330 hours, 18,862 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: 146N52381
- Condition: Corroded
- Location: Bs 1681-1713
- 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/IPXA12574531

## Discrepancy

INSPECTION TYPE:C-CK, MAIN CARGO, AFT FLOOR WEB STA 1681 TO 1713 LBL 20 HAS CORROSION.  REMOVED CORROSION ORIGINAL THICKNESS .071 LOSS .001-.033 REMAINING MATERIAL .070-.038 IS OUT OF LIMITS IAW EO B757-5310-38268 REPAIRED STA 1681-1713, LBL 20 WEB IAW LOR5L53018A.

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