# SDR HNAA0700068

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 2007
- Submitted: April 17, 2007
- Operation: Air carrier
- Aircraft: N337EN
- Make and model: Dhav DHC8311
- Aircraft serial: 284
- Aircraft time: 31,265 hours, 36,208 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Plate
- Part number: 85712112
- Condition: Corroded
- Location: Rt Wing
- Part time: 31,265 hours, 36,208 cycles
- 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/HNAA0700068

## Discrepancy

CORROSION FOUND ON BOTH LADDER PLATES AND ACCESS PANEL 523AT AND 623AT.  CORROSION, ON LADDER PLATES AND PANELS 523AT AND 623AT.  REMOVED AND PROTECTED IAW RD 8-57-0469, RD 8-57-0455 AND RD8-57-3617.  HFEC CHECK, NO CRACKS FOUND.  MAINTENANCE PROGRAM TO BE AMENDED IAW RD8-57-3617.

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