# SDR DJFA2006322

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2006
- Submitted: September 28, 2006
- Operation: Air carrier
- Aircraft: N471CW
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK161
- Aircraft time: 7,311 hours, 5,862 cycles
- Engine: Pwa JT15D5
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Condition: Cracked
- Location: Horizontal Stab
- Stage of operation: IN
- How discovered: B
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DJFA2006322

## Discrepancy

DURING A SCHEDULED MAINTENANCE VISIT WHILE PERFORMING A HORIZONTAL STAB ROLLER INSPECTION THE LT AND RT IB HORIZONTAL STAB NOSE RIB STRUCTURES WERE FOUND CRACKED.  DETAILED INSPECTION INSTRUCTIONS OF THIS AREA ARE OUTLINED IN MFG COMMUNIQUE' NR 70.

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