# SDR HDNA2018F00156

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2018
- Submitted: December 4, 2018
- Operation: Air carrier
- Aircraft: [N235DH](https://openairdocs.org/aircraft/N235DH), registered now
- Make and model: Urocop EC135P1
- Registry model: [Urocop EC135P1](https://openairdocs.org/model/eurocopter-deutschland-ec135p1) (OpenAirDocs)
- Aircraft serial: 0058
- Aircraft time: 6,563 hours
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Part number: L533M1117215
- Condition: Corroded
- Location: Fuselage
- Part time: 6,563 hours
- 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/HDNA2018F00156

## Discrepancy

DURING THE REMOVAL AND REPLACEMENT OF THE ARIS MOUNT, INTER-GRANULAR CORROSION WAS FOUND ON THE FORWARD EXTRUSION ANGLE IN THE AIRFRAME CABIN CEILING AREA.

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