# SDR QMLDMR0253

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 22, 2010
- Submitted: November 2, 2010
- Operation: Air carrier
- Aircraft: N405LN
- Make and model: Bell 412
- Registry model: [Bell 412](https://openairdocs.org/model/bell-412) (OpenAirDocs)
- Aircraft serial: 33025
- Aircraft time: 16,737 hours
- System (JASC): [5302 · Rotorcraft Tail Boom](https://openairdocs.org/jasc/5302)
- Part: Bulkhead
- Part number: 205032827013
- Condition: Cracked
- Location: Tailboom
- Part time: 16,737 hours
- 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/QMLDMR0253

## Discrepancy

TAILBOOM BULKHEAD AT BOOM STA 164.23 CRACKED AT LOWER RT STR, LOWER RT LONGERON (2), LOWER LT LONGERON (2)AND UPPER LT LONGERON.

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