# SDR IPXA12572977

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2012
- Submitted: April 16, 2012
- Operation: Air carrier
- Aircraft: [N457UP](https://openairdocs.org/aircraft/N457UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25478
- Aircraft time: 23,905 hours, 14,298 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: 143N875047
- Condition: Corroded
- Location: Bs 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/IPXA12572977

## Discrepancy

INSPECTION TYPE: C, MAIN CARGO BS 620, LBL 46 TO LBL 56 FLOOR WEB CORRODED AND HAS SCRIBE LINES ON UPPER SURFACE.  REMOVED CORROSION.  ORIG THICKNESS .063, REMAINING .061, LOSS OF .002.  RESTORED FINISH IAW EA 120429 IR AND EO B757-5310-46580-A.

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