# SDR P5CA2011100700484

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 7, 2011
- Submitted: October 7, 2011
- Operation: Air carrier
- Aircraft: [N451PA](https://openairdocs.org/aircraft/N451PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30809
- Aircraft time: 47,181 hours, 7,713 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Condition: Corroded
- Location: Fuselage
- 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/P5CA2011100700484

## Discrepancy

EXFOLIATION CORROSION (LEVEL 2) WAS FOUND ON DOUBLER ON LOWER FUSELAGE SKIN AROUND WATER FILL CONNECTION AT BS 983, RBL 17.  AFFECTED DOUBLER WAS REPLACED AS PER EI T2011P53B-2052.

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