# SDR 2A6R2026310875801

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 31, 2026
- Submitted: August 31, 2026
- Operation: General aviation
- Filed by: [Air Methods, LLC, repair station 2A6R933B](https://openairdocs.org/faa-repair-station/2A6R933B/air-methods-llc.md) (OpenAirDocs)
- Aircraft: [N151LN](https://openairdocs.org/aircraft/N151LN), registered now
- Make and model: Urocop EC 130 B4
- Registry model: [Urocop EC 130 B4](https://openairdocs.org/model/eurocopter-ec-130-b4) (OpenAirDocs)
- Aircraft serial: 4114
- Aircraft time: 6,540 hours, 23,964 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Doubler
- Part number: 350A21106225
- Condition: Corroded
- Location: Zone 100
- Part time: 6,540 hours, 23,964 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/2A6R2026310875801

## Discrepancy

CORROSION DAMAGE WAS DISCOVERED ON THE FORWARD FUEL TANK SADDLE DOUBLER.  REPLACEMENT PART WAS UNAVAILABLE WITHIN THE REQUIRED RETURN-TO-SERVICE SCHEDULE. A REPLACEMENT FORWARD FUEL TANK SADDLE DOUBLER, WAS FABRICATED LOCALLY USING THE DISCREPANT PART AS A GUIDE IN ACCORDANCE WITH EA 17-5300-EA-5768 REV. -, AND IS SUBSTANTIATED BY FAA FORM 8110-3,  WITH DER SPECIFIC SEQUENCE 26RL029AM.   THE REPLACEMENT PART WAS FABRICATED FROM 0.063-INCH 2024-T3 BARE ALUMINUM SHEET CONFORMING TO AMS-QQ-A-250/4. FABRICATED PART WAS VISUALLY INSPECTED AT 10X MAGNIFICATION AND FOUND FREE OF DEFECTS OR DAMAGE. SURFACE PROTECTION WAS APPLIED USING ALODINE, EPOXY PRIMER, AND PAINT IN ACCORDANCE WITH THE EC130 MTM AND AC 43.13-1B.

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