# SDR DALA1127479871

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2011
- Submitted: April 20, 2011
- Operation: Air carrier
- Aircraft: [N780NC](https://openairdocs.org/aircraft/N780NC), registered now
- 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: 48102
- Aircraft time: 72,571 hours, 67,115 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Cracked
- Location: Fs 764
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1127479871

## Discrepancy

MAIN CABIN-FS 764 BELOW RT AFT EMERGENCY EXIT VERTICAL INTERCOSTAL IS CRACKED. REMOVED 1 EA VERTICAL INTERCOSTAL, STOPPED DRILLED CRACK .25 DIA HFEC INSP STOP DRILL, CRACK, CONTAINED, NDT SPM 06-10-01-001, MAT I/D 7075-T6 .063 FAB 2EA REPAIR DOUBLER 7075-T6 .032, INSTALLED REPAIR DOUBLER.  INSTALLED INTERCOSTAL AND WEB AT STA 753-775 RT SIDE IAW SRM 51-30-2,51-30-5.  REQUIRED INSP COMPLETED.

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