# SDR 2A6R2020041555901

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2020
- Submitted: April 15, 2020
- Operation: General aviation
- Filed by: [Air Methods, LLC, repair station 2A6R933B](https://openairdocs.org/faa-repair-station/2A6R933B/air-methods-llc.md) (OpenAirDocs)
- Aircraft: [N7UC](https://openairdocs.org/aircraft/N7UC), registered now
- Make and model: Agusta A109E
- Registry model: [Agusta A109E](https://openairdocs.org/model/agusta-a109e) (OpenAirDocs)
- Aircraft serial: 11088
- Aircraft time: 6,115 hours, 19,501 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Condition: Cracked
- Location: Fuselage
- Part time: 6,115 hours, 19,501 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/2A6R2020041555901

## Discrepancy

DURING HEAVY MAINTENANCE, CRACKS WERE FOUND ON 2 BULKHEADS. LOCATION IS APPROXIMATELY F.S. 3525, ROUGHLY LOCATED ON THE BULKHEADS BENEATH THE AFT TRANSMISSION SUSPENSION BAR ATTACHMENTS. THE TWO CRACKED BULKHEADS ARE ORIGINAL VERSIONS OF THE FOLLOWING P/N'S; 109-0390-24-133 REV.B1, 109-0330-51-103M01, 109-0390-24-109 REV.B1. THERE IS A REPAIR THAT HAS BEEN CREATED SPECIFICALLY FOR THIS KNOWN CRACKING LOCATION;ASRP-3C-A-53-36-02-01A-664A-D UPPER BULKHEAD AT STA 3525- SPECIAL REPAIR PROCEDURE.

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