# SDR IPXA2022032680513

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2022
- Submitted: March 28, 2022
- Operation: Air carrier
- Aircraft: [N578UP](https://openairdocs.org/aircraft/N578UP), registered now
- Make and model: Boeing 747-44AF
- Registry model: [Boeing 747-44AF](https://openairdocs.org/model/boeing-747-44af) (OpenAirDocs)
- Aircraft serial: 27154
- Aircraft time: 114,200 hours, 19,128 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Stringer
- Part number: 65B108579
- Condition: Corroded
- Location: No.18 Vc Flap
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2022032680513

## Discrepancy

INSPECTION TYPE:C3CORROSION DAMAGE WAS FOUND ON STRINGER (P/N : 65B10857-9) ON R/H WING NO.18 V.C FLAPREPLACE PART I.A.W. 747-400SF SRM 51-40-02-0G , REV.53.00 AND BOEING DWG 65B15170 SH 2 , REV H.

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