# SDR HEEA0012178

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N407PH
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53003
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Top Case
- Part number: 406040052105
- Condition: Damaged
- Location: M/R
- Part time: 2,075 hours
- Component: 407040006103
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA0012178

## Discrepancy

FOUND EXCESSIVE MECHANICAL DAMAGE NEAR THE PYLON MOUNT AREA, WHERE THE SHIMS OF THE SUPPORT BEAMS MADE CONTACT. REPLACED WITH SERVICEABLE PART.

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