# SDR DALA12011840878

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2012
- Submitted: November 1, 2012
- Operation: Air carrier
- Aircraft: N787NC
- 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: 48149
- Aircraft time: 70,496 hours, 64,310 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Longeron
- Condition: Cracked
- Location: Bs 1240 L12r
- 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/DALA12011840878

## Discrepancy

LONGERON 12R IS CRACKED AT STA 1240, AT AFT ACCESSORY COMPARTMENT ABOVE APU EXHAUST DUCT.  R & R LONGERON SEGMENT AT L12R, BS 1219 TO BS 1250 IAW SRM'S 53-02, 51-30-2 (FIG 18), 51-30-05.

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