# SDR 2A6R2021062960606

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2021
- Submitted: June 29, 2021
- Operation: Air carrier
- Filed by: [Air Methods, LLC, repair station 2A6R933B](https://openairdocs.org/faa-repair-station/2A6R933B/air-methods-llc.md) (OpenAirDocs)
- Aircraft: [N163BF](https://openairdocs.org/aircraft/N163BF), registered now
- 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: 0671
- Aircraft time: 5,422 hours, 22,779 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Condition: Cracked
- Location: Zone 200
- Part time: 5,422 hours, 22,779 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2A6R2021062960606

## Discrepancy

DURING 1000 HOUR INSPECTION, AFTER REMOVING THE MAIN GEARBOX FOR USE ON ANOTHER AIRCRAFT, MULTIPLE CRACKS WERE FOUND IN THE AREA OF FS 4505 - FS 4565. L/H AND R/H "A PROFILES FOUND CRACKED. STIFFENER OUTSIDE OF L/H "A PROFILE CRACKED. LONGERON 18CM TO LEFT OF CENTERLINE CRACKED. LONGERON 18CM TO RIGHT OF CENTERLINE CRACKED. TRANSMISSION DECK TOPSIDE DOUBLER CRACKED ON L/H AND R/H SIDE. TRANSMISSION DECK SKIN CRACKED ON L/H AND R/H SIDE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.