# SDR 2A6R2022022363001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2022
- Submitted: February 23, 2022
- Operation: General aviation
- Filed by: [Air Methods, LLC, repair station 2A6R933B](https://openairdocs.org/faa-repair-station/2A6R933B/air-methods-llc.md) (OpenAirDocs)
- Aircraft: N135AN
- Make and model: Urocop EC 135 P2
- Registry model: [Urocop EC 135 P2](https://openairdocs.org/model/eurocopter-deutschland-ec-135-p2) (OpenAirDocs)
- Aircraft serial: 0351
- Aircraft time: 7,695 hours, 38,624 cycles
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keelbeam
- Part number: L533M1009203
- Condition: Corroded
- Location: Zone 100
- 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/2A6R2022022363001

## Discrepancy

THE FORWARD LEFT SIDE OF THE KEEL BEAM CAP (PN:  L533M1009203) AT FUSELAGE STATION 2,670MM AND 2,440MM WERE FOUND TO HAVE CORROSION DAMAGE BENEATH THE EDGE OF THE COCKPIT FLOOR.  THE DAMAGE WAS LOCALIZED AROUND A NUT PLATE AT EACH LOCATION.  THE FORWARD CORROSION DAMAGE TOTAL AREA MEASURED APPROXIMATELY 1” X 0.75” X 0.16” DEEP.  THE AFT CORROSION DAMAGE WAS APPROXIMATELY 0.25” X 0.25” X 0.11” DEEP.

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