# SDR DALA1108659871

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2011
- Submitted: February 7, 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: 72,350 hours, 66,926 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Longeron
- 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/DALA1108659871

## Discrepancy

FUSELAGE SKIN CRACK AT CANTED FRAME STA 1303 RIGHT SIDE 4  INCHES ABOVE LONGERON 14.  CRACK IS APPROXIMATELY 1 INCH LONG.  STOP DRILLED CRACK PER SRM 53-01 FIG 2 SHT 3.  HFEC INSPECTION SHOWS CRACK CONTAINED.  FABRICATED AND INSTALLED DOUBLER PER SRM 53-01 FIG 2 SHEET 3.  APPLIED TOPCOAT PER SRM51-10-03B.  JOB COMPLETE.

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