# SDR SWAA2013041114745

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 2013
- Submitted: April 11, 2013
- Operation: Air carrier
- Aircraft: N406WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27894
- Aircraft time: 42,733 hours, 25,065 cycles
- System (JASC): [5534 · Vertical Stabilizer Miscellaneous Structure](https://openairdocs.org/jasc/5534)
- Part: Stiffener
- Part number: BAC1506
- Condition: Cracked
- Location: Vertical Stab
- 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/SWAA2013041114745

## Discrepancy

VERTICAL FIN TERMINAL FITTING ASSY LOWER CROSS STIFFENER CRACKED AT BS 1018 ON BOTH ENDS.  REMOVED AND REPLACED STIFFENER IAW SRM.

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