# SDR HEEA0010540

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N7128R
- Make and model: Bell 412
- Registry model: [Bell 412](https://openairdocs.org/model/bell-412) (OpenAirDocs)
- Aircraft serial: 36007
- System (JASC): [5530 · Vertical Stabilizer](https://openairdocs.org/jasc/5530)
- Part: Spar Aft Fin
- Part number: 204031826023
- Condition: Mis Mfg
- Location: Tailrotor
- Component: 212030100111
- Stage of operation: IN
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA0010540

## Discrepancy

MISMANUFACTURED PART.  SPAR IS 1/16" NARROW AT LOWER END AND 1/8" NARROW AT TAIL ROTOR 90 DEGREE GEARBOX CASTING.

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