# SDR AALA20100304TUL01

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2010
- Submitted: August 30, 2010
- Operation: Air carrier
- Aircraft: N7535A
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49989
- Aircraft time: 56,486 hours, 29,123 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/AALA20100304TUL01

## Discrepancy

FORWARD RIGHT SIDE OF THE PRESSURE BULKHEAD TOP HORIZONTAL STIFFENER IS CRACKED AT THE OUTBOARD END LOWER SIDE.  REMOVED AND REPLACED STIFFENER PER SRM 51-10-1 AND 51-30-2.

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