# SDR 96ZZZX1237

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N991Z](https://openairdocs.org/aircraft/N991Z), registered now
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47096
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Longeron
- Condition: Cracked
- Location: Bs 699
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX1237

## Discrepancy

STL - DURING CHECK 'C', FOUND .50 INCH CRACK IN LOWER FLANGE OF LONGERON 7L, STA 699.  REPAIRED PER SRM 53-02, FIGURE 2A.  AIRCRAFT TT:  63,390 HOURS; 75,098 CYCLES.

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