# SDR CALA2018060531310

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2018
- Submitted: June 5, 2018
- Operation: Air carrier
- Aircraft: [N12754](https://openairdocs.org/aircraft/N12754), registered now
- Make and model: Boeing 737-7V3
- Registry model: [Boeing 737-7V3](https://openairdocs.org/model/boeing-737-7v3) (OpenAirDocs)
- Aircraft serial: 30464
- Aircraft time: 51,205 hours, 19,085 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Frame
- Part number: 146A1131
- Condition: Cracked
- Location: Bs 747
- 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/CALA2018060531310

## Discrepancy

CRACKS FOUND AROUND THE RIVETS AT THE AC EXTRUSION SUPPORT BETWEEN STRINGERS 8 & 9R, BS 747.  REPAIRED IAW EC 5310-04716, REV I,  OP 001.

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