# SDR NWAA084499851

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2008
- Submitted: November 20, 2008
- Operation: Air carrier
- Aircraft: N760NC
- Make and model: Doug DC-9-51
- Registry model: [Doug DC-9-51](https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (OpenAirDocs)
- Aircraft serial: 47708
- Aircraft time: 75,769 hours, 77,128 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Stiffener
- Condition: Cracked
- Location: Fuselage
- 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/NWAA084499851

## Discrepancy

DURING H CHECK FOUND CRACK IN OTBD END OF UPPER AFT PRESSURE BULKHEAD HORIZONTAL STIFFENER.  REPAIRED PER EA 98-213643.

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